192. Sinder, M., Shi, J., Becker, K.-D., Chemical diffusion analysis of the oxidation kinetics of oxygen-deficient, nitrogen doped TiO2 thin films, Solid State Ionics 341, 115044 (2019)
191. Sugak, D., Buryy, O., Suhak, Y., Zhydachevskii, Y., Becker, K.-D., Martynyuk, N.V., Yakhnevych, U., Ubizskii, S., Optical in-situ study of the redox processes in LiNbO3: Fe crystals, Optical Materials , 109543 (2019), 10.1016/j.optmat.2019.109543
190. Santiago, R.T., Fabián, M., Šepelák, V., Cotica, L.F., Santos, I.A., Machado, C.C.F., Hahn, H., Becker, K.D., da Silva, K.L., Local structure analysis of Bi2(Ga1-xFex)4O9 mullite-type solid solutions synthesized via combination of ball milling and thermal treatment, Solid State Sciences 82, 106 (2018), 10.1016/j.solidstatesciences.2018.06.009
189. Gaczynski, P., Harpf, A., Böer, J., Kircheisen, R., Kriegel, R., Becker, K.-D., 57Fe Mössbauer study into oxygen vacancy disorder in (Ba0.5Sr0.5), (Co0.8Fe0.2), O3-δ, Solid State Ionics 316, 59 (2018), 10.1016/j.ssi.2017.12.005
188. Shi, J., Martens, M., Ludwig, F., Dilger, K., Becker, K.-D., Optical absorption and redox kinetics of YBa2Cu3O7-δ thin films studied by optical in-situ spectroscopy, Solid State Ionics 315, 98 (2018), 10.1016/j.ssi.2017.12.002
187. Sinder, M., Shi, J., Becker, K.-D., Oxidation kinetics of nitrogen doped TiO2-δ thin films: Analysis on the basis of oxygen activity dependence of the chemical diffusion coefficient, Defect and Diffusion Forum 383, 147 (2018), 10.4028/www.scientific.net/DDF.383.147
186. Kirsch, A., Murshed, M.M., Gaczynski, P., Becker, K.-D., Gesing, T.M., Bi2Fe4O9: Structural changes from nano-to micro-crystalline state, Zeitschrift fur Naturforschung - Section B Journal of Chemical Sciences 71, 447 (2016), 10.1515/znb-2015-0227
185. Tchougréeff, A.L., Soudackov, A.V., Van Leusen, J., Kögerler, P., Becker, K.-D., Dronskowski, R., Effective hamiltonian crystal field: Present status and applications to iron compounds, International Journal of Quantum Chemistry 116, 282 (2016), 10.1002/qua.25016
184. Davaasuren, B., Dashjav, E., Kreiner, G., Borrmann, H., Weber, S.-U., Becker, K.-D., Litterst, F.J., Kniep, R., Crystal structure and Mössbauer studies of the isotypic Fe6-cluster compounds RE15[Fe8C25], RE=Dy, Ho, Journal of Solid State Chemistry 225, 450 (2015), 10.1016/j.jssc.2015.01.019
183. Shi, J., Fritze, H., Weidenfelder, A., Swanson, C., Fielitz, P., Borchardt, G., Becker, K.-D., Optical absorption of electronic defects and chemical diffusion in vapor transport equilibrated lithium niobate at high temperatures, Solid State Ionics 262, 904 (2014), 10.1016/j.ssi.2013.11.025
182. Fielitz, P., Borchardt, G., Ganschow, S., Bertram, R., Jackson, R.A., Fritze, H., Becker, K.-D., Tantalum and niobium diffusion in single crystalline lithium niobate, Solid State Ionics 259, 14 (2014), 10.1016/j.ssi.2014.02.005
181. Weber, S.-U., Gesing, T.M., Eckold, G., Fischer, R.X., Litterst, F.-J., Becker, K.-D., Temperature-dependent 57Fe Mössbauer spectroscopy and local structure of the mullite-type Bi2(FexGa1-x)4O9 (0.1≤x≤1) solid solution, Journal of Physics and Chemistry of Solids 75, 416 (2014), 10.1016/j.jpcs.2013.11.013
180. Šepelák, V., Heitjans, P., Becker, K.D., One-step mechanosynthesis of nanocrystalline oxides, Acta Montanistica Slovaca 19, 107 (2014),
179. Martynyuk, N., Buryy, O., Ubizskii, S., Syvorotka, I., Becker, K.D., Peculiarities of recharging process Yb2+→Yb3+ in Yb:Y3Al5O12 epitaxial films under high temperature oxidation, International Conference on Oxide Materials for Electronic Engineering - Fabrication, Properties and Applications, OMEE 2014 - Book of Conference Proceedings 6912387, 157 (2014), 10.1109/OMEE.2014.6912387
178. Šepelák, V., Myndyk, M., Witte, R., Röder, J., Menzel, D., Schuster, R.H., Hahn, H., Heitjans, P., Becker, K.-D., The mechanically induced structural disorder in barium hexaferrite, BaFe12O19, and its impact on magnetism, Faraday Discussions 170, 121 (2014), 10.1039/c3fd00137g
177. Šepelák, V., Düvel, A., Wilkening, M., Becker, K.-D., Heitjans, P., Mechanochemical reactions and syntheses of oxides, Chemical Society Reviews 42, 7507 (2013), 10.1039/c2cs35462d
176. Guo, Y., Gaczynski, P., Becker, K.-D., Kemnitz, E., Sol-gel synthesis and characterisation of nanoscopic FeF3-MgF2 heterogeneous catalysts with bi-acidic properties, ChemCatChem 5, 2223 (2013), 10.1002/cctc.201300115
175. Senna, M., Düvel, A., Šepelák, V., Shi, J., Da Silva, K.L., Laporte, V., Lebedkin, S., Kübel, C., Wang, D., Schünemann, D., Becker, K.-D., Heitjans, P., Transfer and state changes of fluorine at polytetrafluoroethylene/titania boundaries by mechanical stressing and thermal annealing, Journal of Physical Chemistry C 117, 15272 (2013), 10.1021/jp4024926
174. Weidenfelder, A., Schulz, M., Fielitz, P., Shi, J., Borchardt, G., Becker, K.-D., Fritze, H., Electronic and ionic transport mechanisms of stoichiometric lithium niobate at high-temperatures, Materials Research Society Symposium Proceedings 1519, 47 (2013), 10.1557/opl.2012.1760
173. Shi, J., Becker, K.-D., Point defects and diffusion in oxides, International Conference on Oxide Materials for Electronic Engineering, OMEE 2012 6464810, 151 (2012), 10.1109/OMEE.2012.6464810
172. Šepelák, V., Myndyk, M., Fabián, M., Silva, K.L.D., Feldhoff, A., Menzel, D., Ghafari, M., Hahn, H., Heitjans, P., Becker, K.D., Mechanosynthesis of nanocrystalline fayalite, Fe2SiO4, Chemical Communications 48, 11121 (2012), 10.1039/c2cc36370d
171. Shi, J., Lee, D.-K., Yoo, H.-I., Janek, J., Becker, K.-D., Oxidation kinetics of nitrogen doped TiO2-δ thin films, Physical Chemistry Chemical Physics 14, 12930 (2012), 10.1039/c2cp42559a
170. Weidenfelder, A., Shi, J., Fielitz, P., Borchardt, G., Becker, K.D., Fritze, H., Electrical and electromechanical properties of stoichiometric lithium niobate at high-temperatures, Solid State Ionics 225, 26 (2012), 10.1016/j.ssi.2012.02.026
169. Klande, T., Cusenza, S., Gaczynski, P., Becker, K.-D., Dörrer, L., Borchardt, G., Feldhoff, A., In-situ Mössbauer studies of 57Fe-doped Ruddlesden-Popper type lanthanum nickel oxides, Solid State Ionics 222-223, 8 (2012), 10.1016/j.ssi.2012.06.019
168. Yan, H., Lemmens, P., Wulferding, D., Shi, J., Becker, K.D., Lin, C., Lak, A., Schilling, M., Tailoring defect structure and optical absorption of porous anodic aluminum oxide membranes, Materials Chemistry and Physics 135, 206 (2012), 10.1016/j.matchemphys.2012.04.059
167. Weidenfelder, A., Fritze, H., Fielitz, P., Borchardt, G., Shi, J., Becker, K.-D., Ganschow, S., Transport and electromechanical properties of stoichiometric lithium niobate at high temperatures, Zeitschrift fur Physikalische Chemie 226, 421 (2012), 10.1524/zpch.2012.0219
166. Weber, S.-U., Gesing, T., Röder, J., Litterst, F.J., Fischer, R.X., Becker, K.-D., Temperature-dependent 57Fe Mössbauer spectroscopy and local structure of mullite-type Bi2(FexAl1-x)4O9 (0.1≤x≤1) solid solutions, International Journal of Materials Research 103, 430 (2012), 10.3139/146.110701
165. Ohmann, S., Fielitz, P., Dörrer, L., Borchardt, G., Gesing, T.M., Fischer, R.X., Rüscher, C.H., Buhl, J.-C., Becker, K.-D., Schneider, H., Electrical conductivity of mullite-type Bi2Al4O9 ceramics in air, Solid State Ionics 211, 46 (2012), 10.1016/j.ssi.2012.01.030
164. Senna, M., Šepelák, V., Shi, J., Bauer, B., Feldhoff, A., Laporte, V., Becker, K.-D., Introduction of oxygen vacancies and fluorine into TiO2 nanoparticles by co-milling with PTFE, Journal of Solid State Chemistry 187, 51 (2012), 10.1016/j.jssc.2011.12.036
163. Šepelák, V., Becker, S.M., Bergmann, I., Indris, S., Scheuermann, M., Feldhoff, A., Kübel, C., Bruns, M., Stürzl, N., Ulrich, A.S., Ghafari, M., Hahn, H., Grey, C.P., Becker, K.D., Heitjans, P., Nonequilibrium structure of Zn2SnO4 spinel nanoparticles, Journal of Materials Chemistry 22, 3117 (2012), 10.1039/c2jm15427g
162. Šepelák, V., Becker, K.-D., Mechanochemistry: From mechanical degradation to novel materials properties, Journal of the Korean Ceramic Society 49, 19 (2012), 10.4191/kcers.2012.49.1.019
161. Kann, Z.R., Auletta, J.T., Hearn, E.W., Weber, S.-U., Becker, K.D., Schneider, H., Lufaso, M.W., Mixed crystal formation and structural studies in the mullite-type system Bi2Fe4O9-Bi2Mn4O10, Journal of Solid State Chemistry 185, 62 (2012), 10.1016/j.jssc.2011.10.046
160. Šepelák, V., Bergmann, I., Indris, S., Heitjans, P., Becker, K.D., Crystallite size dependent cation distribution in nanostructured spinels studied by nmr, mössbauer spectroscopy and xps, Frontiers in Mechanochemistry and Mechanical Alloying , 71 (2011),
159. Klande, T., Efimov, K., Cusenza, S., Becker, K.-D., Feldhoff, A., Effect of doping, microstructure, and CO2 on La2NiO4+δ-based oxygen-transporting materials, Journal of Solid State Chemistry 184, 3310 (2011), 10.1016/j.jssc.2011.10.019
158. Šepelák, V., Isfahani, M.J.N., Myndyk, M., Ghafari, M., Feldhoff, A., Becker, K.D., Complementary 57Fe and 119Sn Mössbauer study of mechanochemical redox reaction, Hyperfine Interactions 202, 39 (2011), 10.1007/s10751-011-0358-9
157. Berchmans, L.J., Karthikeyan, R., Helan, M., Berchmans, S., ?epelak, V., Becker, K.D., Mechanochemical synthesis and electrochemical characterization of nano crystalline calcium ferrite, Catalysis Letters 141, 1451 (2011), 10.1007/s10562-011-0636-9
156. Tsai, T.-L., Becker, K.-D., Dieckmann, R., Point defects and orientation-dependent transport of matter and charge in iron-containing olivines, Solid State Ionics 194, 17 (2011), 10.1016/j.ssi.2011.05.001
155. Šepelák, V., Bergmann, I., Indris, S., Feldhoff, A., Hahn, H., Becker, K.D., Grey, C.P., Heitjans, P., High-resolution 27Al MAS NMR spectroscopic studies of the response of spinel aluminates to mechanical action, Journal of Materials Chemistry 21, 8332 (2011), 10.1039/c0jm03721d
154. Shi, J., Becker, K.-D., Kinetics of cation distribution in non-stoichiometric nickel gallate spinel, Solid State Ionics 192, 49 (2011), 10.1016/j.ssi.2010.07.022
153. Da Silva, K.L., Börger, A., Becker, K.-D., Tietz, F., Stöver, D., Mössbauer spectroscopy in the system La0.8Sr0.2(Mn,Fe,Co)O3, Solid State Ionics 192, 552 (2011), 10.1016/j.ssi.2010.06.016
152. Fielitz, P., Schneider, O., Borchardt, G., Weidenfelder, A., Fritze, H., Shi, J., Becker, K.D., Ganschow, S., Bertram, R., Oxygen-18 tracer diffusion in nearly stoichiometric single crystalline lithium niobate, Solid State Ionics 189, 1 (2011), 10.1016/j.ssi.2011.02.023
151. Da Silva, K.L., Šepelák, V., Düvel, A., Paesano Jr., A., Hahn, H., Litterst, F.J., Heitjans, P., Becker, K.D., Mechanochemicalthermal preparation and structural studies of mullite-type Bi2(GaxAl1-x)4O9 solid solutions, Journal of Solid State Chemistry 184, 1346 (2011), 10.1016/j.jssc.2011.04.007
150. Shi, J., Fritze, H., Borchardt, G., Becker, K.-D., Defect chemistry, redox kinetics, and chemical diffusion of lithium deficient lithium niobate, Physical Chemistry Chemical Physics 13, 6925 (2011), 10.1039/c0cp02703k
149. Da Silva, K.L., Menzel, D., Feldhoff, A., Kübel, C., Bruns, M., Paesano, A., Düvel, A., Wilkening, M., Ghafari, M., Hahn, H., Litterst, F.J., Heitjans, P., Becker, K.D., Šepelák, V., Mechanosynthesized BiFeO3 nanoparticles with highly reactive surface and enhanced magnetization, Journal of Physical Chemistry C 115, 7209 (2011), 10.1021/jp110128t
148. Shi, J., Dlugocz, S., Ganschow, S., Ebbinghaus, S.G., Becker, K.D., Optical in-situ spectroscopy of high-temperature properties of olivines, Zeitschrift fur Kristallographie 226, 89 (2011), 10.1524/zkri.2011.1328
147. Šepelák, V., Bergmann, I., Feldhoff, A., Litterst, F.J., Becker, K.D., Cadogan, J.M., Hofmann, M., Hoelzel, M., Wang, J.L., Avdeev, M., Campbell, S.J., Mechanosynthesis of nanocrystalline MgFe2O4-neutron diffraction and Mössbauer spectroscopy, Hyperfine Interactions 198, 67 (2010), 10.1007/s10751-010-0243-y
146. Angermann, A., Töpfer, J., Da Silva, K.L., Becker, K.D., Nanocrystalline Mn-Zn ferrites from mixed oxalates: Synthesis, stability and magnetic properties, Journal of Alloys and Compounds 508, 433 (2010), 10.1016/j.jallcom.2010.08.083
145. Behrens, M., Ordolff, M.-E., Näther, C., Bensch, W., Becker, K.-D., Guillot-Deudon, C., Lafond, A., Cody, J.A., New three-dimensional thiostannates composed of linked Cu8S12 Clusters and the first example of a mixed-metal Cu7SnS12 cluster, Inorganic Chemistry 49, 8305 (2010), 10.1021/ic100688z
144. Moll, S., Weber, S.-U., Becker, K.-D., Mader, W., Solid solutions in the system Fe1-xO/ZnO at low oxygen partial pressure, Zeitschrift fur Anorganische und Allgemeine Chemie 636, 1880 (2010), 10.1002/zaac.201000084
143. Stork, A., Schilling, H., Wessel, C., Wolff, H., Brger, A., Baehtz, C., Becker, K.-D., Dronskowski, R., Lerch, M., Bixbyite- and anatase-type phases in the system Sc-Ta-O-N, Journal of Solid State Chemistry 183, 2051 (2010), 10.1016/j.jssc.2010.07.006
142. Šepelák, V., Bergmann, I., Indris, S., Šubrt, J., Heitjans, P., Becker, K.-D., Nanocrystalline complex oxides prepared by mechanochemical reactions, AIP Conference Proceedings 1258, 96 (2010), 10.1063/1.3473905
141. Shi, J., Yu, W., Bergmann, I., Bremers, H., Epelák, V., Mader, W., Becker, K.D., Synthesis and characterization of nonstoichiometric NiGa2O4 transparent thin films, Journal of Alloys and Compounds 504, S432 (2010), 10.1016/j.jallcom.2010.03.098
140. Berchmans, L.J., Myndyk, M., Da Silva, K.L., Feldhoff, A., Šubrt, J., Heitjans, P., Becker, K.D., Šepelák, V., A rapid one-step mechanosynthesis and characterization of nanocrystalline CaFe2O4 with orthorhombic structure, Journal of Alloys and Compounds 500, 68 (2010), 10.1016/j.jallcom.2010.03.199
139. Da Silva, K.L., Šepelák, V., Paesano Jr., A., Litterst, F.J., Becker, K.-D., Structural studies of Bi2(FexAl1-x)4O9 Solid Solutions (0.1≤x≤1.0), prepared by a combined mechanochemical/thermal synthesis, Zeitschrift fur Anorganische und Allgemeine Chemie 636, 1018 (2010), 10.1002/zaac.201000032
138. Shi, J., Becker, K.D., Kinetics and thermodynamics of cation site-exchange reaction in olivines, Solid State Ionics 181, 473 (2010), 10.1016/j.ssi.2010.02.003
137. Grigor'eva, T.F., Ancharov, A.I., Kovaleva, S.A., Barinova, A.P., Becker, K.D., Šepelák, V., Lyakhov, N.Z., Study of the chemical interaction between mechanochemically synthesized Cu/Bi nanocomposites and liquid gallium, Russian Journal of Applied Chemistry 83, 616 (2010), 10.1134/S1070427210040087
136. Zubrik, A., Hredzák, S., Turániová, ?., Lovás, M., Bergmann, I., Becker, K.D., Luk?ová, M., Šepelák, V., Distribution of inorganic and organic substances in the hydrocyclone separated Slovak sub-bituminous coal, Fuel 89, 2126 (2010), 10.1016/j.fuel.2010.03.010
135. Shi, J., Becker, K.-D., Kinetics of defect-induced cation redistribution in (CoxMg1-x)2SiO4 olivines, Materials Science Forum 636-637, 119 (2010), 10.4028/www.scientific.net/MSF.636-637.119
134. Buryy, O., Zhydachevskii, Ya., Vasylechko, L., Sugak, D., Martynyuk, N., Ubizskii, S., Becker, K.D., Thermal changes of the crystal structure and the influence of thermo-chemical annealing on the optical properties of YbAlO3 crystals, Journal of Physics Condensed Matter 22, 055902 (2010), 10.1088/0953-8984/22/5/055902
133. Shi, J., Becker, K.-D., Theoretical and experimental studies on the kinetics of cation redistribution processes in complex oxides, Journal of the Korean Ceramic Society 47, 39 (2010), 10.4191/KCERS.2010.47.1.039
132. Buryy, O., Ubizskii, S., Syvorotka, I.I., Becker, K.-D., Optical in situ study of reduction/oxidation processes in Cr,Mg:YAG epitaxial film, Acta Physica Polonica A 117, 184 (2010), 10.12693/APhysPolA.117.184
131. Grigoreva, T.F., Ancharov, A.I., Manzyrykchy, K.B., Becker, K.D., Šepelak, V., Barinova, A.P., Lyakhov, N.Z., How the tin concentration affects the interactions of intermetallic compounds of the cu-sn system with liquid gallium and a gallium-tin eutectic, Russian Journal of Inorganic Chemistry 55, 1275 (2010), 10.1134/S0036023610080218
130. Sugak, Y.U., Sugak, D., Zhydachevskii, Y.A., Solskii, I., Buryy, O., Ubizskii, S., Becker, K.-D., In situ Investigation of OH Absorption in LiNbO3 and LiNbO3:MgO crystals during Reducing/Oxidizing Annealing, Acta Physica Polonica A 117, 170 (2010), 10.12693/APhysPolA.117.170
129. Janek, J., Martin, M., Becker, K.-D., Physical chemistry of solids - The science behind materials engineering: Concepts, models, methods, Zeitschrift fur Physikalische Chemie 223, 1239 (2009), 10.1524/zpch.2009.6077
128. Martin, M., Dronskowski, R., Janek, J., Becker, K.-D., Roehrens, D., Brendt, J., Lumey, M.W., Nagarajan, L., Valov, I., Börger, A., Thermodynamics, structure and kinetics in the system Ga-O-N, Progress in Solid State Chemistry 37, 132 (2009), 10.1016/j.progsolidstchem.2009.11.005
127. Lerch, M., Janek, J., Becker, K.D., Berendts, S., Boysen, H., Bredow, T., Dronskowski, R., Ebbinghaus, S.G., Kilo, M., Lumey, M.W., Martin, M., Reimann, C., Schweda, E., Valov, I., Wiemhöfer, H.D., Oxide nitrides: From oxides to solids with mobile nitrogen ions, Progress in Solid State Chemistry 37, 81 (2009), 10.1016/j.progsolidstchem.2009.11.004
126. von Wenckstern, H., Schmidt, H., Brandt, M., Lajn, A., Pickenhain, R., Lorenz, M., Grundmann, M., Hofmann, D.M., Polity, A., Meyer, B.K., Saal, H., Binnewies, M., Börger, A., Becker, K.-D., Tikhomirov, V.A., Jug, K., Anionic and cationic substitution in ZnO, Progress in Solid State Chemistry 37, 153 (2009), 10.1016/j.progsolidstchem.2009.11.008
125. Šepelák, V., Bergmann, I., Indris, S., Feldhoff, A., Heitjans, P., Becker, K.D., Response of the local structure of complex oxides to mechanical action, Annales de Chimie: Science des Materiaux 34, 377 (2009), 10.3166/acsm.34.377-390
124. Šepelák, V., Becker, K.D., Bergmann, I., Suzuki, S., Indris, S., Feldhoff, A., Heitjans, P., Grey, C.P., A one-step mechanochemical route to core-Shell Ca2SnO4 Nanoparticles Followed by 119Sn MAS NMR and 119Sn Mössbauer Spectroscopy, Chemistry of Materials 21, 2518 (2009), 10.1021/cm900590d
123. Saal, H., Binnewies, M., Schrader, M., Börger, A., Becker, K.-D., Tikhomirov, V.A., Jug, K., Unusual Optical Properties of Mn-doped ZnO: The Search for a New Red Pigment - A Combined Experimental and Theoretical Study, Chemistry - A European Journal 15, 6408 (2009), 10.1002/chem.200802667
122. Zhydachevskii, Ya., Buryy, O., Sugak, D., Ubizskii, S., Börger, A., Becker, K.-D., Suchocki, A., Berkowski, M., Optical in situ study of the reduction/oxidation processes in YAlO3:Mn crystals, Journal of Physics Condensed Matter 21, 175411 (2009), 10.1088/0953-8984/21/17/175411
121. Janek, J., Martin, M., Becker, K.D., Physical chemistry of solids - The science behind materials engineering, Physical Chemistry Chemical Physics 11, 3010 (2009), 10.1039/b905911n
120. Becker, K.-D., Schrader, M., Kwon, H.-S., Yoo, H.-I., Electrical and optical characterization of undoped BaTiO3 in the quenched state, Physical Chemistry Chemical Physics 11, 3082 (2009), 10.1039/b823174e
119. Sugak, D., Zhydachevskii, Y., Sugak, Y., Buryy, O., Ubizskii, S., Solskii, I., Börger, A., Becker, K.-D., In situ investigation of coloration processes in LiNbO3:MgO during reducing/oxidizing high-temperature treatments, Physical Chemistry Chemical Physics 11, 3138 (2009), 10.1039/b822631h
118. Shi, J., Ganschow, S., Klimm, D., Simon, K., Bertram, R., Becker, K.-D., Octahedral cation exchange in (Co0.21Mg0.79)2SiO4 olivine at high temperatures: Kinetics, point defect chemistry, and cation diffusion, Journal of Physical Chemistry C 113, 6267 (2009), 10.1021/jp810968q
117. Houben, A., Šepelák, V., Becker, K.-D., Dronskowski, R., Itinerant ferromagnet RhFe3N: Advanced synthesis and 57Fe Mössbauer analysis, Chemistry of Materials 21, 784 (2009), 10.1021/cm803004v
116. Ubizskii, S., Buryy, O., Borger, A., Becker, K.-D., Investigation of the chromium ions recharging kinetics in Cr,Mg:YAG crystal during high-temperature annealing, Physica Status Solidi (A), Applications and Materials Science 206, 550 (2009), 10.1002/pssa.200824473
115. Gutzov, S., Berendts, S., Lerch, M., Geffert, Ch., Börger, A., Becker, K.D., High temperature optical spectroscopy investigations on Zr0.78Y0.18Sm0.04O1.89 and Zr0.78Y0.18Ho0.04O1.89 single crystals, Physical Chemistry Chemical Physics 11, 636 (2009), 10.1039/b808771g
114. Grigoryeva, T.F., Kaminsky, Yu.D., Sharafutdinov, M.R., Talako, T.L., Vorsina, I.A., Barinova, A.P., Becker, K.D., Šepelák, V., Lyakhov, N.Z., Mechanical activation assisted self-propagating high- Temperature synthesis of Si/Al2O3 composites, Journal of Physics: Conference Series 144, 012080 (2009), 10.1088/1742-6596/144/1/012080
113. Grigoryeva, T.F., Novakova, A.A., Kiseleva, T.Y., Barinova, A.P., Ancharov, A.I., Talako, T.L., Vorsina, I.A., Becker, K.D., Šepelák, V., Tsybulya, S.V., Bulavchenko, O.A., Lyakhov, N.Z., Mechanochemical production of nanocomposites of metal/oxide and intermetallic/oxide systems, Journal of Physics: Conference Series 144, 012076 (2009), 10.1088/1742-6596/144/1/012076
112. Šepelák, V., Bergmann, I., Diekmann, A., Heitjans, P., Becker, K.D., Mechanosynthesis of nanocrystalline iron germanate Fe2GeO4 with a nonequilibrium cation distribution, Reviews on Advanced Materials Science 18, 349 (2008),
111. Bergmann, I., Šepelák, V., Feldhoff, A., Heitjans, P., Becker, K.D., Particle size dependent cation distribution in lithium ferrite spinel LiFe5O8, Reviews on Advanced Materials Science 18, 375 (2008),
110. Mutke, M., Kreye, M., Shi, J., Becker, K.D., Kinetics of cation distribution in cobalt-containing olivine, (Co 0.6Mg0.4)2SiO4, Physical Chemistry Chemical Physics 10, 3895 (2008), 10.1039/b718182e
109. Janek, J., Martin, M., Becker, K.-D., Solid State Reactivity - From macro to nano, Solid State Sciences 10, 669 (2008), 10.1016/j.solidstatesciences.2008.05.003
108. Schrader, M., Mienert, D., Oh, T.-S., Yoo, H.-I., Becker, K.D., An optical, EPR and electrical conductivity study of blue barium titanate, BaTiO3-δ, Solid State Sciences 10, 768 (2008), 10.1016/j.solidstatesciences.2007.04.011
107. Shi, J., Ebbinghaus, S.G., Becker, K.D., Temperature-jump induced cation exchange kinetics in (Co0.1Mg0.9)2SiO4 olivine: An in situ optical spectroscopic study, Physics and Chemistry of Minerals 35, 1 (2008), 10.1007/s00269-007-0187-1
106. Nagarajan, L., De Souza, R.A., Samuelis, D., Valov, I., Börger, A., Janek, J., Becker, K.-D., Schmidt, P.C., Martin, M., A chemically driven insulator-metal transition in non-stoichiometric and amorphous gallium oxide, Nature Materials 7, 391 (2008), 10.1038/nmat2164
105. Bartels, O., Becker, K.D., A high-temperature Mössbauer study of the iron nitrides, Zeitschrift fur Physikalische Chemie 221, 1509 (2007), 10.1524/zpch.2007.221.11-12.1509
104. Yoo, H.-I., Chang, M.-W., Oh, T.-S., Lee, C.-E., Becker, K.D., Electrocoloration and oxygen vacancy mobility of BaTi O3, Journal of Applied Physics 102, 093701 (2007), 10.1063/1.2802290
103. Šepelák, V., Heitjans, P., Becker, K.D., Nanoscale spinel ferrites prepared by mechanochemical route : Thermal stability and size dependent magnetic properties, Journal of Thermal Analysis and Calorimetry 90, 93 (2007), 10.1007/s10973-007-8481-1
102. Shi, J., Becker, K.D., Activation energy of Co-Mg intersite exchange in olivine, (Co0.6Mg0.4)2SiO4, Chemical Physics Letters 444, 56 (2007), 10.1016/j.cplett.2007.06.117
101. Šepelák, V., Indris, S., Heitjans, P., Becker, K.D., Direct determination of the cation disorder in nanoscale spinels by NMR, XPS, and Mössbauer spectroscopy, Journal of Alloys and Compounds 434-435, 776 (2007), 10.1016/j.jallcom.2006.08.173
100. Šepelák, V., Bergmann, I., Feldhoff, A., Heitjans, P., Krumeich, F., Menzel, D., Litterst, F.J., Campbell, S.J., Becker, K.D., Nanocrystalline nickel ferrite, NiFe2O4: Mechanosynthesis, nonequilibrium cation distribution, canted spin arrangement, and magnetic behavior, Journal of Physical Chemistry C 111, 5026 (2007), 10.1021/jp067620s
99. Temuujin, J., Aoyama, M., Senna, M., Masuko, T., Ando, C., Kishi, H., Šepelak, V., Becker, K.D., Preparation and properties of ferromagnetic Z-type hexaferrite from wet milled mixtures of intermediates, Journal of Magnetism and Magnetic Materials 311, 724 (2007), 10.1016/j.jmmm.2006.08.041
98. Locmelis, S., Brünig, C., Binnewies, M., Börger, A., Becker, K.D., Homann, T., Bredow, T., Optical band gap in the system ZnO1-xSx. An experimental and quantum chemical study, Journal of Materials Science 42, 1965 (2007), 10.1007/s10853-006-0415-y
97. Valov, I., De Souza, R.A., Wang, C.Z., Börger, A., Korte, C., Martin, M., Becker, K.-D., Janek, J., Preparation of nitrogen-doped YSZ thin films by pulsed laser deposition and their characterization, Journal of Materials Science 42, 1931 (2007), 10.1007/s10853-006-0174-9
96. Sugak, D., Zhydachevskii, Ya., Sugak, Yu., Buryy, O., Ubizskii, S., Solskii, I., Schrader, M., Becker, K.-D., In situ investigation of optical absorption changes in LiNbO3 during reducing/oxidizing high-temperature treatments, Journal of Physics Condensed Matter 19, 086211 (2007), 10.1088/0953-8984/19/8/086211
95. Gutzov, S., Börger, A., Becker, K.D., High temperature optical spectroscopy of cubic holmium doped zirconia, Zr0.78Y0.21Ho0.01O1.90, Physical Chemistry Chemical Physics 9, 491 (2007), 10.1039/b612950a
94. Šepelák, V., Bergmann, I., Menzel, D., Feldhoff, A., Heitjans, P., Litterst, F.J., Becker, K.D., Magnetization enhancement in nanosized MgFe2O4 prepared by mechanosynthesis, Journal of Magnetism and Magnetic Materials 316, e764 (2007), 10.1016/j.jmmm.2007.03.087
93. Šepelák, V., Indris, S., Bergmann, I., Feldhoff, A., Becker, K.D., Heitjans, P., Nonequilibrium cation distribution in nanocrystalline MgAl2O4 spinel studied by 27Al magic-angle spinning NMR, Solid State Ionics 177, 2487 (2006), 10.1016/j.ssi.2006.04.014
92. Bergmann, I., Šepelák, V., Becker, K.D., Preparation of nanoscale MgFe2O4 via non-conventional mechanochemical route, Solid State Ionics 177, 1865 (2006), 10.1016/j.ssi.2006.04.002
91. Mutke, M., Kreye, M., Kipp, S., Becker, K.D., Kinetic studies of electronically conducting Yb3Al5O12 garnet, Solid State Ionics 177, 1597 (2006), 10.1016/j.ssi.2006.05.027
90. Bartels, O., Becker, K.D., Bucher, E., Sitte, W., In-situ Mössbauer spectroscopy and thermogravimetry of La0.2Sr0.8FeO3-δ and La0.4Sr0.6FeO3-δ, Solid State Ionics 177, 1677 (2006), 10.1016/j.ssi.2006.03.042
89. Schilling, H., Lerch, M., Börger, A., Becker, K.-D., Wolff, H., Dronskowski, R., Bredow, T., Tovar, M., Baehtz, C., A new anatase-type phase in the system Mg-Ta-O-N, Journal of Solid State Chemistry 179, 2416 (2006), 10.1016/j.jssc.2006.04.036
88. Šepelák, V., Feldhoff, A., Heitjans, P., Krumeich, F., Menzel, D., Litterst, F.J., Bergmann, I., Becker, K.D., Nonequilibrium cation distribution, canted spin arrangement, and enhanced magnetization in nanosized MgFe2O4 prepared by a one-step mechanochemical route, Chemistry of Materials 18, 3057 (2006), 10.1021/cm0514894
87. Homann, T., Hotje, U., Binnewies, M., Börger, A., Becker, K.-D., Bredow, T., Composition-dependent band gap in ZnSxSe1-x: A combined experimental and theoretical study, Solid State Sciences 8, 44 (2006), 10.1016/j.solidstatesciences.2005.08.015
86. Indris, S., Amade, R., Heitjans, P., Finger, M., Haeger, A., Hesse, D., Grünert, W., Börger, A., Becker, K.D., Preparation by high-energy milling, characterization, and catalytic properties of nanocrystalline TiO2, Journal of Physical Chemistry B 109, 23274 (2005), 10.1021/jp054586t
85. Kipp, S., Šepelák, V., Becker, K.D., Chemie mit dem Hammer: Mechanochemie, Chemie in Unserer Zeit 39, 384 (2005), 10.1002/ciuz.200500355
84. Martynyuk, N.V., Ubizskii, S.B., Buryy, O.A., Becker, K.D., Kreye, M., Optical in-situ study of the oxidation and reduction kinetics of Yb-substituted YAG epitaxial films, Physica Status Solidi C: Conferences 2, 330 (2005), 10.1002/pssc.200460177
83. Šepelák, V., Bergmann, I., Feldhoff, A., Heitjans, P., Litterst, F.J., Becker, K.D., Mechanosynthesis of spinel ferrite nanoparticles followed by Mössbauer spectroscopy, Hyperfine Interactions 165, 81 (2005), 10.1007/s10751-006-9251-3
82. Mack, D.E., Becker, K.D., Schneider, H., High-temperature Mössbauer study of Fe-substituted mullite, American Mineralogist 90, 1078 (2005), 10.2138/am.2005.1689
81. Šepelák, V., Bergmann, I., Kipp, S., Becker, K.D., Nanocrystalline ferrites prepared by mechanical activation and mechanosynthesis, Zeitschrift fur Anorganische und Allgemeine Chemie 631, 993 (2005), 10.1002/zaac.200500020
80. Yoo, H.-I., Becker, K.D., Effect of hole-trapping on mass/charge transport properties in acceptor-doped BaTiO3, Physical Chemistry Chemical Physics 7, 2068 (2005), 10.1039/b500773a
79. Benne, D., Rüssel, C., Menzel, M., Niemeier, D., Becker, K.D., Incorporation of tin in soda-lime and alumosilicates, Journal of Non-Crystalline Solids 345-346, 203 (2004), 10.1016/j.jnoncrysol.2004.08.023
78. Kipp, S., Zöllner, M., Ott, O., Becker, K.D., Reactivity and transport in the system Fe-Si, Solid State Ionics 172, 407 (2004), 10.1016/j.ssi.2004.03.025
77. Kreye, M., Figaj, M., Mack, D.E., Yoo, H.-I., Becker, K.D., Spectroscopic studies of high-temperature processes in solids, Solid State Ionics 172, 173 (2004), 10.1016/j.ssi.2004.05.022
76. Benne, D., Rüssel, C., Menzel, M., Becker, K.D., The effect of alumina on the Sn2+/Sn4+ redox equilibrium and the incorporation of tin in Na2O/Al2O3/SiO2 melts, Journal of Non-Crystalline Solids 337, 232 (2004), 10.1016/j.jnoncrysol.2004.04.017
75. Merkle, R., Maier, J., Becker, K.-D., Kreye, M., Chemical diffusion with non-constant Dδ and the appearance of a parabolic rate law: Model study on SrTiO3, Physical Chemistry Chemical Physics 6, 3633 (2004), 10.1039/b315485h
74. Šepelák, V., Becker, K.D., Comparison of the cation inversion parameter of the nanoscale milled spinel ferrites with that of the quenched bulk materials, Materials Science and Engineering A 375-377, 861 (2004), 10.1016/j.msea.2003.10.178
73. Šepelák, V., Wilde, L., Steinike, U., Becker, K.D., Thermal stability of the non-equilibrium cation distribution in nanocrystalline high-energy milled spinel ferrite, Materials Science and Engineering A 375-377, 865 (2004), 10.1016/j.msea.2003.10.179
72. Ruello, P., Becker, K.D., Ullrich, K., Desgranges, L., Petot, C., Petot-Ervas, G., Thermal variation of the optical absorption of UO2: Determination of the small polaron self-energy, Journal of Nuclear Materials 328, 46 (2004), 10.1016/j.jnucmat.2004.03.002
71. Ullrich, K., Ott, O., Langer, K., Becker, K.D., Temperature dependence of the polarized electronic absorption spectra of olivines. Part II - Cobalt-containing olivines, Physics and Chemistry of Minerals 31, 247 (2004), 10.1007/s00269-004-0393-z
70. Šepelák, V., Menzel, M., Bergmann, I., Wiebcke, M., Krumeich, F., Becker, K.D., Structural and magnetic properties of nanosize mechanosynthesized nickel ferrite, Journal of Magnetism and Magnetic Materials 272-276, 1616 (2004), 10.1016/j.jmmm.2003.12.365
69. Constantinescu, A., Kipp, S., Becker, K.D., Buryy, O.A., On the Early Stages of the Formation Reaction of Cementite, Fe3C, Zeitschrift fur Physikalische Chemie 218, 1455 (2004), 10.1524/zpch.218.12.1455.53828
68. Kniep, B., Constantinescu, A., Niemeier, D., Becker, K.D., An in-situ Mössbauer study of the formation of cementite, Fe3C, Zeitschrift fur Anorganische und Allgemeine Chemie 629, 1795 (2003), 10.1002/zaac.200300136
67. Frisch, G., Hoch, C., Röhr, C., Zönnchen, P., Becker, K.-D., Niemeier, D., Alkaline metal stannide-stannates: 'Double salts' with Zintl Sn44- and stannate SnO34- anions, Zeitschrift fur Anorganische und Allgemeine Chemie 629, 1661 (2003), 10.1002/zaac.200300124
66. Kreye, M., Becker, K.D., An optical in-situ study of the re-oxidation kinetics of mixed valent Yb3Al5O12, Physical Chemistry Chemical Physics 5, 2283 (2003), 10.1039/b300141p
65. Šepelák, V., Baabe, D., Mienert, D., Litterst, F.J., Becker, K.D., Enhanced magnetisation in nanocrystalline high-energy milled MgFe2O4, Scripta Materialia 48, 961 (2003), 10.1016/S1359-6462(02), 00600-0
64. Benne, D., Rüssel, C., Lehmann, O., Menzel, M., Niemeier, D., Becker, K.D., Square-wave voltammetry and Mössbauer spectroscopy in tin-doped soda-silicate and soda-lime-silicate glasses, Journal of Non-Crystalline Solids 318, 202 (2003), 10.1016/S0022-3093(02), 01885-9
63. Šepelák, V., Baabe, D., Mienert, D., Schultze, D., Krumeich, F., Litterst, F.J., Becker, K.D., Evolution of structure and magnetic properties with annealing temperature in nanoscale high-energy-milled nickel ferrite, Journal of Magnetism and Magnetic Materials 257, 377 (2003), 10.1016/S0304-8853(02), 01279-9
62. Šepelák, V., Becker, K.D., Homogeneous reactions in spinels induced by high-energy milling, Solid State Phenomena 90-91, 109 (2003),
61. Šepelák, V., Menzel, M., Becker, K.D., Mössbauer studies in mechanochemistry, Journal of Metastable and Nanocrystalline Materials 15-16, 537 (2003), 10.4028/www.scientific.net/JMNM.15-16.537
60. Ullrich, K., Locmelis, S., Binnewies, M., Becker, K.D., An optical spectroscopy study of ionic defects: Ni2+ ions in tetrahedral coordination, Phase Transitions 76, 103 (2003), 10.1080/0141159031000076084
59. Lee, D.-K., Yoo, H.-I., Becker, K.D., Nonstoichiometry and defect structure of Mn-doped BaTiO3-δ, Solid State Ionics 154-155, 189 (2002), 10.1016/S0167-2738(02), 00427-7
58. Šepelák, V., Mienert, D., Baabe, D., Petrovic, P., Becker, K.D., Superparamagnetism and collective magnetic excitations in nanoscale milled spinel ferrite, Czechoslovak Journal of Physics 52, A93 (2002),
57. Ullrich, K., Langer, K., Becker, K.D., Temperature dependence of the polarized electronic absorption spectra of olivines. Part I - Fayalite, Physics and Chemistry of Minerals 29, 409 (2002), 10.1007/s00269-002-0248-4
56. Šepelák, V., Menzel, M., Becker, K.D., Krumeich, F., Mechanochemical reduction of magnesium ferrite, Journal of Physical Chemistry B 106, 6672 (2002), 10.1021/jp020270z
55. Tietz, F., Jungen, W., Lersch, P., Figaj, M., Becker, K.D., Skarmoutsos, D., X-ray diffraction and electron paramagnetic resonance investigations of the fluorite material Y0.25Ti0.15Zr0.6O2-x, Chemistry of Materials 14, 2252 (2002), 10.1021/cm011252h
54. Becker, K.D, In situ spectroscopy in solid state chemistry, Solid State Ionics 141-142, 21 (2001), 10.1016/S0167-2738(01), 00716-0
53. Figaj, M., Becker, K.D., An electron paramagnetic resonance study of impurities in ceria, CeO2, Solid State Ionics 141-142 C, 507 (2001), 10.1016/S0167-2738(01), 00782-2
52. Ullrich, K., Becker, K.D., Kinetics and diffusion of defects in fayalite, Fe2SiO4, Solid State Ionics 141-142, 307 (2001), 10.1016/S0167-2738(01), 00796-2
51. Menzel, M., Šepelák, V., Becker, K.D., Mechanochemical reduction of nickel ferrite, Solid State Ionics 141-142, 663 (2001), 10.1016/S0167-2738(01), 00802-5
50. Šepelák, V., Schultze, D., Krumeich, F., Steinike, U., Becker, K.D., Mechanically induced cation redistribution in magnesium ferrite and its thermal stability, Solid State Ionics 141-142, 677 (2001), 10.1016/S0167-2738(01), 00777-9
49. Šepelák, V., Steinike, U., Uecker, D.-Chr., Becker, K.D., Structural response of nanoscale mechanosynthesized zinc ferrite to changes in temperature, Materials Science Forum 321-324 I, 357 (2000),
48. Šepelák, V., Baabe, D., Litterst, F.J., Becker, K.D., A Mössbauer study of mechanically activated MgFe2O4, Hyperfine Interactions 126, 143 (2000), 10.1023/A:1012605130944
47. Bakin, A.S., Piester, D., Wehmann, H.-H., Ivanov, A.A., Schlachetzki, A., Becker, K.D., Formation of self-assembled nanometer-scale InP islands on silicon substrates, Materials Research Society Symposium - Proceedings 618, 27 (2000),
46. Šepelák, V., Baabe, D., Litterst, F.J., Becker, K.D., Structural disorder in the high-energy milled magnesium ferrite, Journal of Applied Physics 88, 5884 (2000), 10.1063/1.1316048
45. MacK, D.E., Wissmann, S., Becker, K.D., High-temperature Moessbauer spectroscopy of electronic disorder in complex oxides, Solid State Ionics 135, 625 (2000), 10.1016/S0167-2738(00), 00421-5
44. Šepelák, V., Baabe, D., Becker, K.D., Mechanically induced cation redistribution and spin canting in nickel ferrite, Journal of Materials Synthesis and Processing 8, 333 (2000), 10.1023/A:1011350629436
43. Šepelák, V., Becker, K.D., Mössbauer studies in the mechanochemistry of spinel ferrites, Journal of Materials Synthesis and Processing 8, 155 (2000), 10.1023/A:1011355908538
42. Šepelák, V., Becker, K.D., Mechanically induced disorder in magnesium ferrite, Materials Science Forum 343, I/- (2000),
41. Zöllner, M., Kipp, S., Becker, K.D., Reactive processes of nickel oxide on oxidic substrates as observed by scanning force microscopy, Crystal Research and Technology 35, 299 (2000), 10.1002/1521-4079(200003), 35:3<299::AID-CRAT299>3.0.CO;2-I
40. Šepelák, V., Wißmann, S., Becker, K.D., Magnetism of nanostructured mechanically activated and mechanosynthesized spinel ferrites, Journal of Magnetism and Magnetic Materials 203, 135 (1999), 10.1016/S0304-8853(99), 00248-6
39. Niemeier, D., Mehner, H., Bismayer, U., Becker, K.D., A temperature-dependent 119Sn and 57Fe Mössbauer study of malayaite, CaSnSiO5:Fe, Physica Status Solidi (B), Basic Research 211, 581 (1999), 10.1002/(SICI), 1521-3951(199902), 211:2<581::AID-PSSB581>3.0.CO;2-M
38. Gallego-Sala, A.V., Kennedy, K.M., Chadwick, A.V., Niemeier, D., Becker, K.D., EXAFS and computer modelling study of calcium titanite, Radiation Effects and Defects in Solids 151, 13 (1999), 10.1080/10420159908245931
37. Šepelák, V., Buchal, A., Tká?ová, K., Becker, K.D., Nanocrystalline structure of the metastable ball-milled inverse spinel-ferrites, Materials Science Forum 278-281, 862 (1998),
36. Wißmann, S., Wurmb, V.V., Litterst, F.J., Dieckmann, R., Becker, K.D., The temperature-dependent cation distribution in magnetite, Journal of Physics and Chemistry of Solids 59, 321 (1998),
35. Bäckermann, J., Becker, K.D., The Mechanism of Cation Equilibration in Nickel Aluminate Spinel, NiAl2O4, Zeitschrift fur Physikalische Chemie 206, 31 (1998), 10.1524/zpch.1998.206.Part_1_2.031
34. Šepelák, V., Wißmann, S., Becker, K.D., A temperature-dependent Mössbauer study of mechanically activated and non-activated zinc ferrite, Journal of Materials Science 33, 2845 (1998), 10.1023/A:1017589920725
33. Zöllner, M., Kuhrs, C., Kipp, S., Becker, K.D., Crystallization kinetics of titanite glass from diffuse scattering, Phase Transitions 67, 153 (1998), 10.1080/01411599808219192
32. Šepelák, V., Steinike, U., Uecker, D.Chr., Wißmann, S., Becker, K.D., Structural disorder in mechanosynthesized zinc ferrite, Journal of Solid State Chemistry 135, 52 (1998), 10.1006/jssc.1997.7589
31. Becker, K.D., Spectroscopic studies of high-temperature processes in oxides, Berichte der Bunsengesellschaft/Physical Chemistry Chemical Physics 101, 1248 (1997),
30. Šepelák, V., Rogachev, A.Yu., Steinike, U., Uecker, D.-Chr., Krumeich, F., Wißmann, S., Becker, K.D., The synthesis and structure of nanocrystalline spinel ferrite produced by high-energy ball-milling method, Materials Science Forum 235-238, 139 (1997)
29. Wißmann, S., Becker, K.D., Tracer diffusion of indium in CuInS2, Solid State Ionics 101-103, 539 (1997)
28. Šepelák, V., Steinike, U., Uecker, D.-Chr., Trettin, R., Wißmann, S., Becker, K.D., High-temperature reactivity of mechanosynthesized zinc ferrite, Solid State Ionics 101-103, 1343 (1997)
27. Šepelák, V., Tká?ová, K., Boldyrev, V.V., Wißmann, S., Becker, K.D., Mechanically induced cation redistribution in ZnFe2O4 and its thermal stability, Physica B: Condensed Matter 234-236, 617 (1997), 10.1016/S0921-4526(96), 01061-7
26. He, T., Becker, K.D., An optical in-situ study of a reacting spinel crystal, Solid State Ionics 101-103, 337 (1997),
25. Wißmann, S., Becker, K.D., Localization of electrons in nonstoichiometric SrFeO3-δ, Solid State Ionics 85, 279 (1996),
24. Becker, K.D., Bäckermann, J., Kinetics of order-disorder processes in spinels, Phase Transitions 55, 181 (1995), 10.1080/01411599508200433
23. Becker, K.D., Niemeier, D., Wissmann, S., Oversluizen, M., Couves, J.W., Chadwick, A.V., A high-temperature XAFS study of the iron oxides, Nuclear Inst. and Methods in Physics Research, B 97, 111 (1995), 10.1016/0168-583X(94), 00400-5
22. Pattanayak, J., Becker, K.D., On the temperature dependence of the optical absorption edge in nickel oxide, physica status solidi (b), 188, 833 (1995), 10.1002/pssb.2221880227
21. Becker, K.D., Spectroscopic studies of phase formation and diffusion processes at interfaces, Materials Science Forum 155-5, 71 (1994),
20. Becker, K.D., Pattanayak, J., Wißmann, S., A high-temperature Mössbauer study of the cation distribution in (Fe,Mn), 3O4 spinels, Solid State Ionics 70-71, 497 (1994), 10.1016/0167-2738(94), 90361-1
19. Becker, K.D., Spectroscopic in situ studies of defect-dependent properties of transition metal oxides Defects, diffusion, and reaction kinetics, Philosophical Magazine A: Physics of Condensed Matter, Structure, Defects and Mechanical Properties 68, 767 (1993), 10.1080/01418619308213996
18. Becker, K.D., von Wurmb, V., Litterst, F.J., Disorder and diffusional motion of cations in magnetite, Fe3-δO4, studied by Mössbauer spectroscopy at high temperatures, Journal of Physics and Chemistry of Solids 54, 923 (1993), 10.1016/0022-3697(93), 90220-L
17. Becker, K.D., He, T., Rau, F., Defect-induced optical absorption in transition metal oxides, Radiation Effects and Defects in Solids 119-121, 669 (1991), 10.1080/10420159108220800
16. Becker, K.D., v. Wurmb, V., Litterst, F.J., Mössbauer study of high-temperature diffusion in magnetite, Hyperfine Interactions 56, 1431 (1990), 10.1007/BF02405453
15. Becker, K.D., Spectroscopic in situ investigations of solids at high temperatures: A Mössbauer and optical spectroscopy study of diffusion and of the kinetics of solid state reactions, Solid State Ionics 39, 27 (1990), 10.1016/0167-2738(90), 90024-L
14. Becker, K.D., Rau, F., High-temperature ligand field spectra and cation disorder and dynamics in spinels: CoAl2O4, Solid State Ionics 28-30, 1290 (1988), 10.1016/0167-2738(88), 90373-6
13. Becker, K.D., Wurmb, V.V., Oxygen Activity Dependence of High Temperature Mossbauer Spectra in the Iron Oxides I. Magnetite (Fe3-δO4), , Zeitschrift fur Physikalische Chemie 149, 77 (1986), 10.1524/zpch.1986.149.1.077
12. Becker, K.D., Wurmb, V.V., Oxygen Activity Dependence of High Temperature Mossbauer Spectra in the Iron Oxides II. Hematite (Fe2O3-δ) , Zeitschrift fur Physikalische Chemie 149, 91 (1986), 10.1524/zpch.1986.149.1.091
11. Becker, K.D., The Encounter Model in Impurity Diffusion. Correlation Effects in NMR, physica status solidi (b) 121, 91 (1984), 10.1002/pssb.2221210108
10. Becker, K.D., Nuclear magnetic resonance in ternary copper(I) semiconductors, Solid State Chemistry 1982, Studies of Inorganic Chemistry,Vol. 3, Eds. R. Metselaar, H.J.M. Heijligers and J. Schoonman, Elsevier, Amsterdam (1983) 479
9. Becker, K.D., Berlage, U., NMR chemical shifts of 51V, 93Nb, 181Ta, and 205Tl in ternary A3BC4 semiconductors, Journal of Magnetic Resonance (1969), 54, 272 (1983), 10.1016/0022-2364(83), 90049-5
8. Becker, K.D., Wagner, S., Temperature-dependent nuclear magnetic resonance in CuInX2 (X=S,Se,Te), chalcopyrite-structure compounds, Physical Review B 27, 5240 (1983), 10.1103/PhysRevB.27.5240
7. Becker, K.D., Schmalzried, H., von Wurmb, V., The chemical diffusion coefficient in (low temperature), a-Ag2S determined by an electrochemical relaxation method, Solid State Ionics 11, 213 (1983), 10.1016/0167-2738(83), 90026-7
6. Becker, K.D., Nuclear Magnetic Relaxation Induced by the Dynamics of Lattice Defectsin Solids (I = 3/2,I = 2, and I=5/2), , Zeitschrift fur Naturforschung - Section A Journal of Physical Sciences 37, 697 (1982), 10.1515/zna-1982-0713
5. Becker, K.D., Hoheisel, C., The dynamic behavior of a crystal during defect jumps. I. Molecular dynamics studies using Lennard-Jones potential functions, The Journal of Chemical Physics 77, 5108 (1982), 10.1063/1.443685
4. Becker, K.D., Von Goldammer, E., NMR chemical shifts in the silver halides, Chemical Physics 48, 193 (1980), 10.1016/0301-0104(80), 80048-6
3. Becker, K.D., Schäfgen, H.P., NMR chemical shifts in copper (I), chalcogen compounds, Solid State Communications 32, 1107 (1979), 10.1016/0038-1098(79), 90841-X
2. Becker, K.D., Nuclear Spin Relaxation by Quadrupolar Interactions. The Diffusion of Substitutional Impurities in Ionic Crystals, physica status solidi (b), 87, 589 (1978), 10.1002/pssb.2220870223
1. Becker, K.D., Temperature dependence of NMR chemical shifts in cuprous halides, The Journal of Chemical Physics 68, 3785 (1977)