2024
Vortex matching at 6T in YBa2Cu3O7-δ thin films by imprinting an
ultradensehexagonal pinning array with a focused helium ion beam
M. Karrer, B. Aichner, K. Wurster, B. Budinska, O. V. Dobrovolskiy,
W. Lang, R. Kleiner, E. Goldobin, D. Koelle
Phys. Rev. Appl. 22, 014043 (2024)
AC losses in macroscopic thin-walled superconducting niobium cylinders
M. I. Tsindlekht, V. M. Genkin, I. Felner, F. Zeides, N. Katz, S. Gazi, S. Chromik, O. V. Dobrovolskiy
Physica Scripta 99, 085948 (2024)
Magnetic anisotropy and GGG substrate stray field in YIG films down to mK temperatures
R. O. Serha, A. A. Voronov, D. Schmoll, R. Verba, K. O. Levchenko, S. Koraltan, K. Davidkova,
B. Budinska, Q. Wang, O. V. Dobrovolskiy, M. Urbanek, M. Lindner, T. Reimann, C. Dubs,
C. Gonzalez-Ballestero, C. Abert, D. Suess, D. A. Bozhko, S. Knauer, A. V. Chumak
npj Spintronics 2, 29 (2024)
Three-dimensional magnetic nanotextures with high-order vorticity in soft magnetic wireframes
O. M. Volkov, F. Porrati, F. Kronast, O. V. Pylypovskyi, J. A. Fernandez-Roldan, A. Kakay, A. Kuprava,
O. V. Dobrovolskiy, P. Makushko, M.-A. Mawass, S. Shakeel, M. Huth, D. Makarov
Nat. Commun. 15, 2193 (2024)
Microwave generation and vortex jets in superconductor nanotubes
I. Bogush, O. V. Dobrovolskiy, V. M. Fomin,
Phys. Rev. B 109, 104516 (2024)
Steering of vortices by magnetic-field tilting in open superconductor nanotubes
I. Bogush, V. M. Fomin, O. V. Dobrovolskiy
Nanomaterials 14, 420 (2024)
2023
Highly sensitive single-molecule detection of macromolecule ion beams
M. Strauss, A. Shayeghi, M. F. X. Mauser, P. Geyer, T. Kostersitz, J. Salapa, O. V. Dobrovolskiy,
S. Daly, J. Commandeur, Y. Hua, V. Köhler, M. Mayor, J. Benserhir, C. Bruschini, E. Charbon,
M. Castaneda, M. Gevers, R. Gourgues, N. Kalhor, A. Fognini, M. Arndt
Sci. Adv. 9, eadj2801 (2023)
3D magnonic conduits by direct write nanofabrication
S. Lamb-Camarena, F. Porrati, A. Kuprava, Q. Wang, M. Urbanek,
S. Barth, D. Makarov, M. Huth, O.V. Dobrovolskiy
Nanomaterials 13, 1926 (2023)
Vortex chains and vortex jets in MoSi microbridges
V. M. Bevz, B. Budinska, S. Lamb-Camarena, S. O. Shpilinska,
C. Schmid, M. Yu. Mikhailov, W. Lang, O. V. Dobrovolskiy
Rap. Res. Lett. 17, 2200513 (2023)
Propagating spin-wave spectroscopy in a nanometer-thick YIG film at mK temperatures
S. Knauer, K. Davidkova, D. Schmoll, R. O. Serha, A. Voronov, Q. Wang, R. Verba,
O. V. Dobrovolskiy, M. Lindner, T. Reimann, C. Dubs, M. Urbanek, A. V. Chumak
J. Appl. Phys. 133, 143905 (2023)
Vortex counting and velocimetry for slitted superconducting thin strips
V. M. Bevz, M. Yu. Mikhailov, B. Budinska, S. Lamb-Camarena, S. O. Shpilinska,
A. V. Chumak, M. Urbanek, M. Arndt, W. Lang, O. V. Dobrovolskiy
Phys. Rev. Appl. 19, 034098 (2023)
Numerical model for 32-bit magnonic ripple carry adder
U. Garlando, Q. Wang, O. V. Dobrovolskiy, A. V. Chumak, F. Riente
IEEE Trans. Emerg. Top. Comput. 11, 679 (2023)
2022
Highly-packed proximity-coupled DC-Josephson junction arrays by a direct-write approach
F. Porrati, F. Jungwirth, S. Barth, G. C. Gazzadi, S. Frabboni, O. V. Dobrovolskiy, M. Huth
Adv. Func. Mater. 2203889 (2022)
Topological transitions in ac/dc-driven open superconductor nanotubes
V. M. Fomin, R. O. Rezaev, O. V. Dobrovolskiy
Sci. Rep. 12, 10069 (2022)
Vortex jets generated by edge defects in current-carrying superconductor thin strips
A. I. Bezuglyj, V. A. Shklovskij, B. Budinska, B. Aichner, V. M. Bevz, M. Yu. Mikhailov,
D. Yu. Vodolazov, W. Lang, and O. V. Dobrovolskiy
Phys. Rev. B 105, 214507 (2022)
High-pressure effects on basal-plane conductivity of YPrBaCuO single crystals
G. Ya. Khadzhai, S. N. Kamchatnaya, M. V. Korobkov, Ya. V. Necheporenko, R. V. Vovk, O. V. Dobrovolskiy
Curr. Appl. Phys. 39, 311 (2022)
Rising speed limits for fluxons via edge quality improvement in wide MoSi thin films
B. Budinska, B. Aichner, D. Yu. Vodolazov, M. Yu. Mikhailov, F. Porrati,
M. Huth, A. V. Chumak, W. Lang, and O. V. Dobrovolskiy
Phys. Rev. Appl. 17, 034072 (2022)
Nonreciprocal magnon fluxonics upon ferromagnet/superconductor hybrids
O. V. Dobrovolskiy and A. V. Chumak
J. Magn. Magnet. Mater. 543, 168633 (2022)
Merging of spin-wave modes in obliquely magnetized circular nanodots
J. Kharlan, V. Borynskyi, S. A. Bunyaev, P. Bondarenko, O. Salyuk, V. Golub, A. A. Serga,
O. V. Dobrovolskiy, A. Chumak, R. Verba, G. N. Kakazei
Phys. Rev. B 105, 014407 (2022)
2021
Spin-wave dispersion measurement by variable-gap propagating spin-wave spectroscopy
M. Vanatka, K. Szulc, O. Wojewoda, C. Dubs, O.V. Dobrovolskiy, A. Chumak, M. Krawczyk, J. Klos, M. Urbanek
Phys. Rev. Appl. 16, 054033 (2021)
Control of the Bose-Einstein condensation of magnons by the Spin Hall effect
M. Schneider, D. Breitbach, R. Serha, Q. Wang, A. A. Serga, A. N. Slavin, V.S. Tiberkevich, B. Heinz,
B. Lägel, T. Brächer, C. Dubs, S. Knauer, O.V. Dobrovolskiy, P. Pirro, B. Hillebrands, A. V. Chumak
Phys. Rev. Lett. 127, 237203 (2021)
Stabilization of a nonlinear magnonic bullet coexisting with a Bose-Einstein condensate
in a rapidly cooled magnonic system driven by spin-orbit torque
M. Schneider, D. Breitbach, R. Serha, Q. Wang, M. Mohseni, A. A. Serga, A. N. Slavin, V.S. Tiberkevich,
B. Heinz, T, Brächer, B. Lägel, C. Dubs, S. Knauer, O.V. Dobrovolskiy, P. Pirro, B. Hillebrands, A. V. Chumak
Phys. Rev. B 104, L140405 (2021)
Tension-free Dirac strings and steered magnetic charges in 3D artificial spin ices
S. Koraltan, F. Slanovc, F. Bruckner, C. Nisoli, A. V. Chumak, O. V. Dobrovolskiy, C. Abert, D. Suess
NPJ Comput. Mater. 7, 125 (2021)
Structure-induced features of transport processes in an electroconsolidated FeNi composite
G. Ya. Khadzhai, S. R. Vovk, R. V. Vovk, E. S. Gevorkyan, M. V. Kislitsa,
S. V. Dukarov, S. I. Petrushenko, A. Feher, O. V. Dobrovolskiy
Mod. Phys. Lett. B 33, 2150425 (2021)
Spin-wave eigenmodes in direct-write 3D nanovolcanoes
O. V. Dobrovolskiy, N. R. Vovk, A. V. Bondarenko, S. A. Bunyaev, S. Lamb-Camarena,
K. Levchenko, R. Sachser, S. Barth, A. V. Chumak, M. Huth, G. N. Kakazei
Appl. Phys. Lett. 118, 132405 (2021)
Long-range spin-wave propagation in transversely magnetized nano-scaled conduits
B. Heinz, Q. Wang, M. Schneider, E. Weiß, A. Lentfert, B. Lägel, T. Brächer, C. Dubs,
O. V. Dobrovolskiy, P. Pirro, and A. V. Chumak
Appl. Phys. Lett. 118, 132406 (2021)
Engineered magnetization and exchange stiffness in direct-write Co-Fe nanoelements
S. A. Bunyaev, B. Budinska, R. Sachser, Q. Wang, K. Levchenko, S. Knauer,
A. V. Bondarenko, M. Urbanek, A. V. Chumak, M. Huth, G. N. Kakazei, O.V. Dobrovolskiy
Appl. Phys. Lett. 118, 022408 (2021)
Ultra-fast vortex motion in a direct-write Nb-C superconductor
O. V. Dobrovolskiy, D. Yu. Vodolazov, F. Porrati, R. Sachser,
V. M. Bevz, M. Yu. Mikhailov, A. V. Chumak, and M. Huth
Nat. Commun. 11, 3291 (2020)
2020
Spin-wave spectroscopy of individual ferromagnetic nanodisks
O. V. Dobrovolskiy, S. A. Bunyaev, N. R. Vovk, D. Navas, P. Gruszecki, M. Krawczyk,
R. Sachser, M. Huth, A. V. Chumak, K. Y. Guslienko, G. N. Kakazei
Nanoscale 12, 21207 (2020)
A magnonic directional coupler for integrated magnonic half-adders
Q. Wang, M. Kewenig, M. Schneider, R. Verba, F. Kohl, B. Heinz, M. Geilen, M. Mohseni, B. Lägel,
F. Ciubotaru, C. Adelmann, C. Dubs, S. D. Cotofana, O. V. Dobrovolskiy, T. Brächer, P. Pirro, A. V. Chumak
Nat. Electron. 3, 765 (2020)
Ultra-fast vortex motion in a direct-write Nb-C superconductor
O. V. Dobrovolskiy, D. Yu. Vodolazov, F. Porrati, R. Sachser,
V. M. Bevz, M. Yu. Mikhailov, A. V. Chumak, and M. Huth
Nat. Commun. 11, 3291 (2020)
Evolution of the excess conductivity in YBCO single crystals upon irradiation with fast electrons
Yu. V. Litvinov, R. V. Vovk, O. V. Dobrovolskiy
Physica C 573, 1353645 (2020)
Moving flux quanta cool superconductors by a microwave breath
O. V. Dobrovolskiy, C. Gonzalez-Ruano, A. Lara, R. Sachser, V. M. Bevz,
V. A. Shklovskij, A. I. Bezuglyj, R. V. Vovk, M. Huth, F. G. Aliev
Commun. Phys. 3, 64 (2020)
Influence of defects on anisotropy of electrical resistivity in YBa2Cu3O7-δ
G. Ya. Khadzhai, R. V. Vovk, I. L. Goulatis, V. N. Serdyuk, A. V. Matsepulin,
S. N. Kamchatnaya, A. Chroneos, O. V. Dobrovolskiy
J. Mater. Sci. Mater. Electron. 31, 7708 (2020)
Upper frequency limits for vortex guiding and ratchet effects
O. V. Dobrovolskiy, E. Begun, V. M. Bevz, R. Sachser, and M. Huth
Phys. Rev. Appl. 13, 024012 (2020)
Different single photon response of wide and narrow superconducting MoSi strips
Yu. P. Korneeva, N. N. Manova, I. N. Florya, M. Yu. Mikhailov,
O. V. Dobrovolskiy, A. A. Korneev, and D. Yu. Vodolazov
Phys. Rev. Appl. 13, 024011 (2020)
Temperature dependence of spin pinning and spin-wave dispersion in nanoscopic ferromagnetic waveguides
B. Heinz, Q. Wang, R. Verba, V. I. Vasyuchka, M. Kewenig, P. Pirro, M. Schneider,
T. Meyer, B. L. Lägel, C. Dubs, T. Brächer, O. V. Dobrovolskiy, A. V. Chumak
Ukr. J. Phys. 65, 1094 (2020)
Effect of a liquid phase on the plastic deformation of MAX phase-based (Ti-Al-C) multicomponent ceramics
Yu. I. Boyko, V. V. Bogdanov, R. V. Vovk, V. F. Korshak, A. Chroneos, and O. V. Dobrovolskiy
J. Mater. Sci. Mater. Electr. 31, 2454 (2020)
2019
Route to form skyrmions in soft magnetic films
D. Navas, R. V. Verba, A. Hierro-Rodriguez, S. A. Bunyaev, X. Zhou, A. O. Adeyeye,
O. V. Dobrovolskiy, B. A. Ivanov, K. Yu. Guslienko, and G. N. Kakazei
APL Materials 7, 081114 (2019)
Annealing of defects after irradiation of YBCO single crystals with fast electrons
G. Ya. Khadzhai, R. V. Vovk, and O. V. Dobrovolskiy
Physica C 565, 1353507 (2019)
Local flux-flow instability in superconducting films near Tc
A. I. Bezuglyj, V. A. Shklovskij, R. V. Vovk, V. M. Bevz, M. Huth, and O. V. Dobrovolskiy
Phys. Rev. B 99, 174518 (2019)
Fast dynamics of guided magnetic flux quanta
O. V. Dobrovolskiy, V. M. Bevz, E. Begun, R. Sachser, R. V. Vovk, and M. Huth
Phys. Rev. Appl. 11, 054064 (2019)
Resistivity anisotropy in YBCO single crystals irradiated with fast electrons
G. Ya. Khadzhai, R. V. Vovk, and O. V. Dobrovolskiy
Physica B 566, 121 (2019)
Crystalline niobium carbide superconducting nanowires prepared by focused ion beam direct writing
F. Porrati, S. Barth, R. Sachser, O. V. Dobrovolskiy, A. Seybert, A. S. Frangakis, and M. Huth
ACS Nano 13, 6287 (2019)
Transverse conductivity and pseudogap in YBCO single crystals irradiated with fast electrons
G. Ya. Khadzhai, R. V. Vovk, Yu. V. Litvinov, V. V. Sklyar, and O. V. Dobrovolskiy
Mod. Phys. Lett. B 33, 1950233 (2019)
Spin-wave phase inverter upon a single nanodefect
O. V. Dobrovolskiy, R. Sachser, S. A. Bunyaev, V. M. Bevz, M. Zelent, W. ´Smigaj,
J. Rychly, M. Krawczyk, R. V. Vovk, M. Huth, and G. N. Kakazei
ACS Appl. Mater. Interf. 11, 17654 (2019)
Suppression of vortex lattice melting in YBCO single crystals via irradiation with fast electrons
V. I. Beletskiy, G. Ya. Khadzhai, R. V. Vovk, N. R. Vovk, A. V. Samoylov, I. L. Goulatis, O. V. Dobrovolskiy
J. Mater. Sci. Mater. Electron. 30, 6688 (2019)
Microwave radiation detection with an ultra-thin and free standing superconducting niobium nano-helix
S. Lösch, A. Alfonsov, O. V. Dobrovolskiy, R. Keil, V. Engemaier,
S. Baunack, G. Li, O. G. Schmidt, and D. Bürger
ACS Nano 13, 2948–2955 (2019)
Magnetic properties of Permalloy antidot array fabricated by interference lithography
A. S. Silva, A. Hierro-Rodriguez, S. A. Bunyaev, G. N. Kakazei, O.V. Dobrovolskiy,
C. Redondo, R. Morales, H. Crespo, and D. Navas
AIP Advances 3, 035136 (2019)
Reduction of microwave loss by mobile fluxons in grooved Nb films
O. V. Dobrovolskiy, R. Sachser, V. M. Bevz, A. Lara, F. G. Aliev,
V. A. Shklovskij, A. I. Bezuglyj, R. V. Vovk, and M. Huth
Rapid Res. Lett. 13, 1800223 (2019)
Incoherent charge transport induced by irradiation of YBCO single crystals with MeV electrons
R. V. Vovk, G. Ya. Khadzhai and O. V. Dobrovolskiy
J. Mater. Sci. Mater. Electron. 30, 4766 (2019)
Magnon-Fluxon interaction in a ferromagnet/superconductor heterostructure
O. V. Dobrovolskiy, R. Sachser, T. Brächer, T. Fischer, V. V. Kruglyak, R. V. Vovk, V. A. Shklovskij,
M. Huth, B. Hillebrands, and A. V. Chumak
Nat. Phys. 15, 477 (2019)
Effect of high hydrostatic pressure on various diffusion mechanisms in oxygen deficient
ReBa2Cu3O7-x (Re=Y, Ho) single crystals
G. Ya. Khadzhai, N. R. Vovk, R. V. Vovk, I. L. Goulatis, O. V. Dobrovolskiy
Mod. Phys. Lett. B 33, 1950039 (2019)
Tuning electric charge scattering in YBCO single crystals via irradiation with MeV electrons
R. V. Vovk, G. Ya. Khadzhai and O. V. Dobrovolskiy
J. Mater. Sci. Mater. Electron. 30, 241 (2019)
2018
Role of magnons and the size effect in heat transport through an insulating ferromagnet-insulator interface
V. A. Shklovskij, V. V. Kruglyak, V. V. Vovk, and O. V. Dobrovolskiy
Phys. Rev. B 98, 224403 (2018)
Microwave emission from superconducting vortices in Mo/Si superlattices
O. V. Dobrovolskiy, V. M. Bevz, M. Yu. Mikhailov, O. I. Yuzephovich,
V. A. Shklovskij, R. V. Vovk, M. I. Tsindlekht, R. Sachser, and M. Huth
Nat. Commun. 9, 4927 (2018)
Nonlinear relaxation between magnons and phonons in insulating ferromagnets
V. A. Shklovskij, V. V. Mezinova, and O. V. Dobrovolskiy
Phys. Rev. B 98, 104405 (2018)
Effect of electron irradiation and Pr doping on the charge transport in YBCO single crystals
R. V. Vovk, G. Ya. Khadzhai, and O. V. Dobrovolskiy
Solid State Commun. 282 (2018)
Radiofrequency generation by coherently moving fluxons
O. V. Dobrovolskiy, R. Sachser, M. Huth, V. A. Shklovskij, R.V. Vovk, V. M. Bevz, and M. Tsindlekht
Appl. Phys. Lett. 112, 152601 (2018)
Annealing effects on normal-state resistive properties of underdoped cuprates
R. V. Vovk, G.Ya. Khadzhai, Z. F. Nazyrov, S. N. Kamchatnaya, A. Feher, and O. V. Dobrovolskiy
J. Low Temp. Phys. 191, 184 (2018)
Influence of annealing on the electrical resistance of YBCO single crystals in a broad range of oxygen contents
R. V. Vovk, G.Ya. Khadzhai, Z. F. Nazyrov, S. N. Kamchatnaya, A. Feher, and O. V. Dobrovolskiy
J. Mater. Sci. Mater. Electron. 29, 6601 (2018)
Room-temperature annealing effects on the resistivity of optimally doped YBa2Cu3O7-δ single crystals
G. Ya. Khadzhai, R. V. Vovk, N. R. Vovk, S. N. Kamchatnaya, and O.V. Dobrovolskiy
Physica C 545, 14–17 (2018)
Quenching and room-temperature annealing effects on the conductivity of underdoped HoBa2Cu3O7-δ
G. Ya. Khadzhai, R.V. Vovk, N. R. Vovk, Yu. I. Boiko, S. N. Kamchatnaya, V. M. Pinto Simoes, O. V. Dobrovolskiy
Mod. Phys. Lett. B 32, 1750367 (2018)
2017
Mobile fluxons as coherent probes of periodic pinning in superconductors
O. V. Dobrovolskiy, M. Huth, V. A. Shklovskij, and R. V. Vovk
Sci. Rep. 7, 13740 (2017)
Effect of electron irradiation on the pseudogap temperature dependence of YBCO single crystals
N. A. Azarenkov, V. N. Voevodin, R. V. Vovk, G.Ya. Khadzhai, S. V. Lebedev,
V. V. Sklyar, S. N. Kamchatnaya, and O. V. Dobrovolskiy
J. Mater. Sci. Mater. Electron. 28, 15886 (2017)
Pinning effects on flux-flow instability in epitaxial Nb thin films
O. V. Dobrovolskiy, V. A. Shklovskij, M. Hanefeld, M. Zörb, L. Köhs, and M. Huth
Supercond. Sci. Technol. 30, 085002 (2017)
Pinning effects on self-heating and flux-flow instability in superconducting films near Tc
V. A. Shklovskij, A. P. Nazipova, and O. V. Dobrovolskiy
Phys. Rev. B 95, 184517 (2017)
Conductivity relaxation in strongly underdoped YBa2Cu3O7-δ single crystals
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, S. N. Kamchatnaya, and V. M. Pinto Simoes
Physica B 518, 47 (2017)
Suppression of the order-disorder transition in Ti-doped YBaCuO compounds
S. V. Savich, A. V. Samoylov, S. N. Kamchatnaya,
O. V. Dobrovolskiy, R. V. Vovk, A. L. Solovjov, and L. V. Omelchenko
J. Mater. Sci. Mater. Electron. 28, 11415 (2017)
Effect of hydrostatic pressure on the conductivity of YBa2Cu3O7-δ single crystals
in a broad range of temperature and oxygen content
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, Z. F. Nazyrov, and S. N. Kamchatnaya
Solid State Commun. 255-256, 20 (2017)
Zero-bias Shapiro steps in asymmetric pinning nanolandscapes
O. V. Dobrovolskiy, V. V. Sosedkin, R. Sachser, V. A. Shklovskij, R. V. Vovk, M. Huth
J. Supercond. Nov. Magnet. 30, 735 (2017)
Magnetic moment jumps in flat and nanopatterned Nb thin-walled cylinders
M. I. Tsindlekht, V. M. Genkin, I. Felner, F. Zeides, N. Katz, S. Gazi, S. Chromik,
O. V. Dobrovolskiy, R. Sachser, and M. Huth
Physica C 533, 101 (2017)
2016
Peculiarities in the pseudogap behavior in optimally doped YBa2Cu3O7-δ single crystals
under pressure up to 1GPa
A. L. Solovjov, L. V. Omelchenko, R. V. Vovk, O. V. Dobrovolskiy, S. N. Kamchatnaya, and D. M. Sergeyev
Curr. Appl. Phys. 16, 931 (2016)
AC and DC magnetic properties of thin-walled Nb cylinders with and without antidots
M. I. Tsindlekht, V. M. Genkin, I. Felner, F. Zeides, N. Katz, S. Gazi, S. Chromik,
O. V. Dobrovolskiy, R. Sachser, and M. Huth
J. Phys. Cond. Matter 28, 215701 (2016)
Hydrostatic pressure effects on the pseudogap in slightly doped YBa2Cu3O7-δ single crystals
A. L. Solovjov, L. V. Omelchenko, R. V. Vovk,
O. V. Dobrovolskiy, D. M. Sergeyev, Z. F. Nazyrov, S. N. Kamchatnaya
Physica B 493, 58 (2016)
Interplay of flux guiding and Hall effect in Nb films with nanogrooves
O. V. Dobrovolskiy, M. Hanefeld, M. Zörb, M. Huth, and V. A. Shklovskij
Supercond. Sci. Technol. 29, 065009 (2016)
Modification of superconducting and resistive properties of HoBa2Cu3O7-δ single crystals
under application-removal of high hydrostatic pressure
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, S. N. Kamchatna, and A. Chroneos
Mod. Phys. Lett. B 30, 1650188 (2016)
Electric charge transfer and scattering of its carriers in cuprates of the 1-2-3 system
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, S. N. Kamchatnaya, Z. F. Nazyrov
J. Low Temp. Phys. 183, 59 (2016)
Excess conductivity and the pseudogap state in Hf-doped YBa2Cu3O7-δ ceramics
S. V. Savich, A.V. Samoilov, R. V. Vovk, O. V. Dobrovolskiy, S. N. Kamchatna,
Ya. V. Dolgopolova, and O. A. Chernovol-Tkachenko
Mod. Phys. Lett. B 30, 1650034 (2016)
2015
Alternating current-driven microwave loss modulation in a fluxonic metamaterial
O. V. Dobrovolskiy, M. Huth, and V. A. Shklovskij
Appl. Phys. Lett. 107, 162603 (2015)
Influence of planar and point defects on the basal-plane conductivity of HoBaCuO single crystals
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, Z. F. Nazyrov, and A. Chroneos
Physica C 515, 58 (2015)
Transverse resistance in HoBa2Cu3O7-δ single crystals
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, Z. F. Nazyrov, and A. Chroneos
Mod. Phys. Lett. B 31, 1550232 (2015)
Effect of structural relaxation on the metal–insulator transition in heavily underdoped YBCO single crystals
R. V. Vovk, O. V. Dobrovolskiy, Z. F. Nazyrov, K. A. Kotvitskaya, and A. Chroneos
J. Low Temp. Phys. 180, 277 (2015)
Tunable magnetism on the lateral mesoscale by post-processing of Co/Pt heterostructures
O. V. Dobrovolskiy, M. Kompaniiets, F. Porrati, R. Sachser, Ch. Gspan, H. Plank, and M. Huth,
Beilstein J. Nanotechnol. 6, 1082 (2015)
Dual cut-off direct current-tunable microwave low-pass filter on superconducting Nb microstrips
with asymmetric nanogrooves
O. V. Dobrovolskiy and M. Huth
Appl. Phys. Lett. 106, 142601 (2015)
Transverse resistance of YBa2Cu3O7-δ single crystals
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, Z. F. Nazyrov, and A. Chroneos
Current Appl. Phys. 15, 617 (2015)
Superconducting proximity effect in crystalline Co and Cu nanowires
M. Kompaniiets, O. Dobrovolskiy, C. Neetzel, W. Ensinger, and M. Huth
J. Supercond. Nov. Magnet. 28, 431 (2015)
AC quantum interference effects in nanopatterned Nb microstrips
O. V. Dobrovolskiy
J. Supercond. Nov. Magnet. 28, 469 (2015)
4He sample probe for combined microwave and dc electrical transport measurements
O. V. Dobrovolskiy, J. Franke, and M. Huth
Meas. Sci. Technol. 26, 035502 (2015)
Effect of defects on the basal-plane resistivity of YBa2Cu3O7-δ and Y1-yPryBa2Cu3O7-x single crystals
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, N. R. Vovk, and Z. F. Nazyrov
J. Mater. Sci: Mater. Electron. 26, 1435 (2015)
Post-growth purification of Co nanostructures prepared by focused electron beam induced deposition
E. Begun, O. V. Dobrovolskiy, M. Kompaniiets, R. Sachser, Ch. Gspan, H. Plank, and M. Huth
Nanotechnol. 26, 075301 (2015)
Resistive measurements of the pseudogap in lightly Pr-doped Y1-xPrxBa2Cu3O7-δ single crystals
under high hydrostatic pressure
R. V. Vovk, G. Ya. Khadzhai, and O. V. Dobrovolskiy
Solid State Commun. 204, 64 (2015)
2014
Conductivity anisotropy in Y1-yPryBa2Cu3O7-δ single crystals in a wide range of praseodymium concentrations
R. V. Vovk, G. Ya. Khadzhai, and O. V. Dobrovolskiy
Mod. Phys. Lett. B 28, 1450245 (2014)
Magnetization reversal assisted by half antivortex states in nanostructured circular Co disks
A. Lara, O. V. Dobrovolskiy, J. L. Prieto, M. Huth, and F. G. Aliev
Appl. Phys. Lett. 105, 182402 (2014)
Evolution of the electrical resistance of YBa2Cu3O7-δ single crystals in the course of long-term aging
R. V. Vovk, N. R. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, and Z. F. Nazyrov
J. Mater. Sci.: Mater. Electr. 25, 5226 (2014)
Effect of high pressure on the fluctuation paraconductivity in Y0.95Pr0.05Ba2Cu3O7-δ single crystals
R. V. Vovk, N. R. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, and Z. F. Nazyrov
Curr. Appl. Phys. 14, 1779 (2014)
Transverse conductivity in PryY1-yBa2Cu3O7-δ single crystals in a wide range of praseodymium concentrations
R. V. Vovk, G. Ya. Khadzhai, and O. V. Dobrovolskiy
Appl. Phys. A 117, 997 (2014)
Proximity-induced superconductivity in crystalline Cu and Co nanowires and Co nanogranular structures
M. Kompaniiets, O. V. Dobrovolskiy, C. Neetzel, E. Begun, F. Porrati, W. Ensinger, and M. Huth
J. Appl. Phys. 116, 073906 (2014)
Transverse resistance in Y1-yPryBa2Cu3O7-δ at large praseodymium concentrations
R. V. Vovk, G. Ya. Khadzhai, and O. V. Dobrovolskiy
Physica B 451, 84 (2014)
Stochastic resonance of vortices in nanostructured superconductor films with a washboard pinning potential
V. A. Shklovskij and O. V. Dobrovolskiy
Physica C 503, 128 (2014)
Phase segregation and the effect of high pressure on the electro-transport in Y0.95Pr0.05Ba2Cu3O7-δ single crystals
R. V. Vovk, G. Ya. Khadzhai, and O. V. Dobrovolskiy
Mod. Phys. Lett. B 28, 1450142 (2014)
DC to AC converter on Abrikosov vortices in a washboard pinning potential
V. A. Shklovskij and O. V. Dobrovolskiy
J. Phys.: Conf. Ser. 507, 012007 (2014)
Transverse conductivity in Y1-yPryBa2Cu3O7-δ single crystals
R. V. Vovk, G. Ya. Khadzhai, O. V. Dobrovolskiy, Z. F. Nazyrov, and I. L. Goulatis
Mater. Res. Expr. 1, 026303 (2014)
Effect of structural relaxation on the in-plane electrical resistance of oxygen-underdoped
ReBa2Cu3O7-δ (Re=Y, Ho) single crystals
R. V. Vovk, N. R. Vovk, and O. V. Dobrovolskiy
J. Low Temp. Phys. 175, 614 (2014)
Long-range superconducting proximity effect in polycrystalline Co nanowires
M. Kompaniiets, O. V. Dobrovolskiy, C. Neetzel, F. Porrati, J. Brötz, W. Ensinger, and M. Huth
Appl. Phys. Lett. 104, 052603 (2014)
Vortex ratchet reversal in an asymmetric washboard pinning potential subject to combined dc and ac stimuli
V. A. Shklovskij, V. V. Sosedkin, and O. V. Dobrovolskiy
J. Phys.: Condens. Matter 26, 025703 (2014)
2013
Aging effect on electrical conductivity of pure and Al-doped YBa2Cu3O7-δ single crystals with a given topology
of planar defects
R. V. Vovk, N. R. Vovk, and O. V. Dobrovolskiy
Adv. Condens. Matter Phys. 2013, 931726 (2013)
Material composition – Pinning strength correlation in Nb thin films with focused ion beam-milled washboard nanostructures
O. V. Dobrovolskiy, E. Begun, M. Huth, and V. A. Shklovskij
Physica C 494, 102 (2013)
Noise-assisted microwave up-conversion by vortices in thin film superconductors with a dc-biased washboard pinning
potential
V. A. Shklovskij, O. V. Dobrovolskiy, and M. Huth
J. Supercond. Nov. Magnet. 26, 2079 (2013)
Determination of coordinate dependence of a pinning potential from a microwave experiment with vortices
V. A. Shklovskij and O. V. Dobrovolskiy
Low Temp Phys. 39, 120 (2013)
Determination of the coordinate dependence of a pinning potential from the microwave experiment with vortices
V. A. Shklovskij and O. V. Dobrovolskiy
Fiz. Nizk. Temp. 39, 162 (2013)
2012
Nonadiabatic ratchet effect in superconducting films with a tilted cosine pinning potential
V. A. Shklovskij and O. V. Dobrovolskiy
J. Phys.: Conf. Ser. 400, 022108 (2012)
Electrical transport and pinning properties of Nb thin films patterned with focused ion beam-milled washboard nanostructures
O. V. Dobrovolskiy, E. Begun, M. Huth, and V. A. Shklovskij
New J. Phys. 14, 113027 (2012)
Current-controlled filter on superconducting films with a tilted washboard pinning potential
O. V. Dobrovolskiy, V. A. Shklovskij, and M. Huth
Phys. Procedia 36, 7 (2012)
Crossover from dirty to clean superconducting limit in dc magnetron-sputtered thin Nb films
O. V. Dobrovolskiy and M. Huth
Thin Solid Films 520, 5985 (2012)
Fluxonic properties of vortices in a washboard pinning potential fabricated by focused particle beam techniques
O. V. Dobrovolskiy, M. Huth, and V. A. Shklovskij
Acta Phys. Polon. A 121, 82 (2012)
2011
Frequency-dependent ratchet effect in superconducting films with a tilted washboard pinning potential
V. A. Shklovskij and O. V. Dobrovolskiy
Phys. Rev. B 84, 054515 (2011)
Vortex lattice matching effects in a washboard pinning potential induced by Co nanostripe arrays
O. V. Dobrovolskiy, E. Begun, M. Huth, V. A. Shklovskij, M. Tsindlekht
Physica C 471, 449 (2011)
Fabrication of artificial washboard pinning structures in thin niobium films
O. V. Dobrovolskiy, M. Huth, and V. A. Shklovskij
J. Supercond. Novel Magnet. 24, 375 (2011)
2006-2010
Anisotropic magnetoresistive response in thin Nb films decorated by an array of Co stripes
O. V. Dobrovolskiy, M. Huth, and V. A. Shklovskij
Supercond. Sci. Technol. 23, 125014 (2010)
Two-dimensional frequency- and temperature-dependent vortex dynamics in a tilted washboard pinning potential
V. A. Shklovskij and O. V. Dobrovolskiy
J. Phys.: Conf. Ser. 150, 052241 (2009)
AC-driven vortices and the Hall effect in a superconductor with a tilted washboard pinning potential
V. A. Shklovskij and O. V. Dobrovolskiy
Phys. Rev. B 78, 104526 (2008)
Influence of point-like disorder on the guiding of vortices in a rotating-current scheme
V. A. Shklovskij and O. V. Dobrovolskiy
Physica C 460–462, 1253 (2007)
Influence of point-like disorder on the guiding of vortices and the Hall effect in a washboard planar pinning potential
V. A. Shklovskij and O. V. Dobrovolskiy
Phys. Rev. B 74, 104511 (2006)
Bücher und Buchbeiträge
Fast Dynamics of Vortices in Superconductors
O. V. Dobrovolskiy,
in “Encyclopedia of Condensed Matter Physics”
(ed.) V. M. Fomin
Elsevier, 2024, chap. 9, pp. 735-754
ISBN 978-0-323-90800-9.00015-9
Complex-Shaped 3D Nanoarchitectures for Magnetism and Superconductivity
O. Dobrovolskiy, O. Pylypovskyi, L. Skoric, A. Fernandez-Pacheco, A. Van Den Berg, and S. Ladak
in “Curvilinear Micromagnetism: From Fundamentals to Applications”
(eds.) D. Makarov and D. Sheka
Springer, 2022, chap. 5, pp. 215–268
ISBN 978-3-031-09085-1
Quantum Escape
B. Leridon, H. Suderow, S. Nicaud, J. Aarts, S. Bending,
O. Dobrovolskiy, A. Hassanien, W. Lang, F. Tafuri, A. Zalevski
Ricochet, Tourtour, 2022
ISBN 978-2352633907
Vortices at microwave frequencies
E. Silva, N. Pompeo, and O. V. Dobrovolskiy
in “Superconductors at the Nanoscale: From Basic Research to Applications”
(eds.) R. Wördenweber. V. Moshchalkov, S. Bending, F. Tafuri
De Gruyter, Berlin, 2017, chap. 8, pp. 253-278
ISBN 978-3-11-045620-2
Pinning and vortex dynamics in superconductors
V. A. Shklovskij and O. V. Dobrovolskiy
Lambert Academic Publishing, Saarbrücken, 2017, 136 p.
ISBN 978-3-330-04172-1
Microwave absorption by vortices in superconductors
V. A. Shklovskij and O. V. Dobrovolskiy
in “Superconductors - Materials, Properties and Applications" ed. by A. Gabovich
InTech, Rijeka (2012), chap. 11, pp. 263–288
ISBN 979-953-307-798-6
Übersichtsartikel
Roadmap for focused ion beam technologies
K. Höflich, G. Hobler, F. I. Allen, .. O. V. Dobrovolskiy et al.
Appl. Phys. Rev. 10, 041311 (2023)
A perspective on superconductivity in curved 3D nanoarchitectures
V. M. Fomin and O. V. Dobrovolskiy,
Appl. Phys. Lett. 120, 090501 (2022)
Roadmap on spin-wave computing
A. V. Chumak, P. Kabos, M. Wu, .. O.V. Dobrovolskiy, et al.
IEEE Trans. Magnet. 58, 0800172 (2022)
New dimension in magnetism and superconductivity: 3D and curvilinear nanoarchitectures
D. Makarov, O. M. Volkov, A. Kakay, O. P. Pylypovskyi, B. Budinska, and O. V. Dobrovolskiy
Adv. Mater. 34, 2101758 (2021)
Roadmap on magnonics
A. Barman, G. Gubbiotti, S. Ladak, .. O.V. Dobrovolskiy, et al.
J. Phys. Cond. Matter 33, 413001 (2021)
Writing 3D nanomagnets using focused electron beams
A. Fernandez-Pacheco, L. Skoric, J. M. De Teresa, J. P. Navarro, M. Huth, O. V. Dobrovolskiy
Materials 13, 3774 (2020)
Focused electron beam induced deposition meets materials science
M. Huth, F. Porrati, O. V. Dobrovolskiy
Microelectron. Engin. 185-186, 9 (2018)
Abrikosov fluxonics in washboard nanolandscapes
O. V. Dobrovolskiy
Physica C 533, 80–90 (2017)