Aleksey V. Ognev

Level of English language proficiency: fluent.

1.3.8. Condensed matter physics (physical and mathematical Sciences)

list of research projects:

RSF project "Synthesis and complex research of magnetically hard materials based on Nd-(Fe, Co) nanoparticles with improved functional properties" 2019-2022, Supervisor.

RFBR project "Spin-dependent phenomena and non-collinear magnetic textures in synthetic antiferromagnets with broken inverse symmetry", 2019-2021, Supervisor.

Megagrant by the 220 decree of the Government of the Russian Federation "Ferrimagnetic spin-orbitronics" 2021-2023, Principal Investigator.

State task "Multifunctional magnetic nanostructures for spintronics and biomedicine: synthesis, structural, magnetic, magneto-optical and transport properties" 2020-2022, PI.

List of possible research topics:

• Synthesis and complex research of magnetically hard materials based on Nd-(Fe, Co).

• Biomedical magnetic nanopartical for target therapy.

• Magnetic logic and memory devices for nanoelectronics.

• Spin Hall effects in topological nanoheterostructures.

• Ab initio and micromagnetic simulation on GPU and CPU.
  

Supervisor’s research interests: Magnetic thin films and nanostructures for next generation of memory, logic, and neuromorphic devices. Electrodeposited magnetic nanostructures namely nanowires, nanostripes, nanosprings, nanoparticles for energy and biomedical applications. Skyrmions, skyrmioniums, merons, bimerons, vortices as quasi-particles for nonvolatile memory and efficient computing. Spin Hall effects and spin-orbit torques in ultrathin magnetic films and structures.

Research highlights: we offer the state-of-the-art research infrastructure, advanced scientific topics, professional supervision and friendly environment forthe productive work and preparation of a dissertation. We have intensive collaboration with leading research teams from USA, China, Japan, South Korea, Germany, UK, Iran, Norway and France. In case of a participation of a PhD student in any our grant, we pay a salary for the research work conducted. 

Supervisor’s specific requirements: 

• Background in Physics is required.

• At least one publication in a physical journal indexed in Scopus/Web of Science and/or two conference abstracts.

• Good knowledge of Russian and/or English.

1. Hideki Narita, Ryo Kawarazaki, Daisuke Kan, Yoichi Shiota, Takahiro Moriyama, Y. Shimakawa, Alexey V. Ognev, Alexander S. Samardak, and Teruo Ono. Field-free superconducting diode effect in noncentrosymmetric superconductor/ferromagnet multilayers // Nature Nanotechnology 17, 823–828 (2022), https://doi.org/10.1038/s41565-022-01159-4 , Q1, IF= 42.23.

2. Samardak, A. Y., Jeon, Y. S., Samardak, V. Y., Kozlov, A. G., Rogachev, K. A., Ognev, A. V., Jeong, E., Kim, G. W., Ko, M. J., Samardak, A. S., Kim, Y. K., Interwire and Intrawire Magnetostatic Interactions in Fe-Au Barcode Nanowires with Alternating Ferromagnetically Strong and Weak Segments. Small 2022, 2203555, https://doi.org/10.1002/smll.202203555, Q1, IF= 15.153.

3. Wenqing He, Caihua Wan, Cuixiu Zheng, Yizhan Wang, Xiao Wang, Tianyi Ma, Yuqiang Wang, Chenyang Guo, Xuming Luo, Maksim Stebliy, Guoqiang Yu, Yaowen Liu, Alexey V Ognev, Alexander S Samardak, Xiufeng Han. Field-free spin-orbit torque switching enabled by interlayer Dzyaloshinskii-Moriya interaction // Nano Letters 22, 17, 6857–6865 (2022) https://arxiv.org/ftp/arxiv/papers/2205/2205.06706.pdf , Q1, IF=12.262.

4. R. Schäfer, P.M. Oppeneer, A.V. Ognev, A.S. Samardak, I.V. Soldatov, Analyser-free, intensity-based wide-field magneto-optical microscopy, Applied Physics Reviews 8 (2021) 031402, https://doi.org/10.1063/5.0051599 , Q1, IF=20.56.

5. A.V. Ognev, A. G. Kolesnikov, Yong Jin Kim, In Ho Cha, A. V. Sadovnikov, S. A. Nikitov, I. V. Soldatov, A. Talapatra, J. Mohanty, M. Mruczkiewicz, Y. Ge, N. Kerber, F. Dittrich, P. Virnau, M. Kläui, Young Keun Kim, and A. S. Samardak, Magnetic Direct-Write Skyrmion Nanolithography, ACS Nano 14 (11) (2020) 14960–14970, https://doi.org/10.1021/acsnano.0c04748, Q1, IF = 18.027.
The research profile: https://scholar.google.ru/citations?hl=ru&user=1eOPw1UAAAAJ

Supervisor’s main publications: 

1. K.S. Ermakov, L.A. Chebotkevich, A.V. Ognev, A.S. Samardak, Fabrication method of copper epitaxial nanostructures on the surface of semiconductor substrates, Patent for invention, RU 2522844 C1, published on July 20, 2014, http://www.findpatent.ru/patent/252/2522844.html.

2. Stebliy ME, Ognev A.V., Samardak A.S., Magnetic Element and Method for Controlling of Magnetic Vortex Parameters in Ferromagnetic Disks, Patent for invention, RU 2528124 C2, published 09/10/2014, http: // www .findpatent.ru/patent/252/2528124.html.

3. Samardak A.S., Anisimova M.V., Ognev A.V., Method for the Formation of Polymer Patterns of Nanostructures of Different Geometry, Patent for invention RU 2574527 C1 dated January 12, 2016, http://www.findpatent.ru/patent /257/2574527.html.

4. Samardak A.S., Ermakov K.S., Ognev A.V., Chebotkevich L.A., Method of forming ordered structures on the surface of semiconductor substrates, Patent for invention RU 2593633 C1 dated 10.08.2016, http: // www.findpatent.ru/patent/259/2593633.html.

5. M.E. Stebliy, A.V. Ognev, A.G. Kolesnikov, A.S. Samardak, Program for precision measurements of magnetotransport properties “VCF-Looper”, Certificate of registration of computer program, Rospatent, №2017611442 from 02.02.2017.

6. Ermakov K.S., Ognev A.V., Samardak A.S., Chebotkevich L.A., Method of forming of an array of ferromagnetic nanowires on a stepped surface of semiconductor substrates with a copper buffer layer, Patent for invention, 2624836, published 07.07. 2017, http://www.findpatent.ru/patent/262/2624836.html.

7. Ermakov K.S., Ognev A.V., Samardak A.S., Chebotkevich L.A., Method of forming of an array of nanowires on a stepped surface of Cu2Si, Patent for invention, 2628220, published 08/15/2017, http: // www.findpatent.ru/patent/262/2628220.html.

8. Ognev A.V., Kolesnikov A.G., Samardak A.S., A method for creating and skyrmions arrays in a magnetic medium with a scanning probe microscope, Patent for invention, 2702810, published 11.10.2019, https://yandex.ru/patents/doc/RU2702810C1_20191011.