STAFF MEMBERS
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Dmitriy A. Pokhabov Senior Researcher,
Tel: +7 (383) 330-81-71 RSCI Author ID: 869877 RSCI SPIN-code: 3207-3608 ORCID: 0000-0002-8747-0261 Web of Science ResearcherID: E-8106-2015 Scopus Author ID: 36989780500 ResearchGate Profile: Dmitriy-Pokhabov |
Research Interests:
D. A. Pokhabov's scientific interests are focused on the experimental study of electron transport in semiconductor mesoscopic systems based on two-dimensional electron gas in GaAs/AlGaAs heterostructures. He has studied the hysteresis of magnetoresistance in point contacts in the quantum Hall effect regime, spin polarization in quantum point contacts, and the peculiarities of conductance quantization in multichannel quantum point contacts. Currently, he is experimentally investigating hydrodynamic effects in electronic transport caused by electronic viscosity.
Education:
- 2009 — Graduated with a Bachelor's degree in Physics, Physics Department, Novosibirsk State University.
- 2011 — Graduated with a Master's degree in Physics, Physics Department, Novosibirsk State University.
- 2018 — Defended his Candidate of Science dissertation in the specialty 01.04.10 "Physics of Semiconductors" on the topic "Quantum transport in microconstrictions and suspended quantum point contacts based on GaAs/AlGaAs heterostructures." Scientific advisor – Dr. Sci. Arthur G. Pogosov.
- 2024 — Awarded the academic title of Associate Professor in the scientific specialty 1.3.11 "Physics of Semiconductors."
Professional Experience:
A.V. Rzhanov Institute of Semiconductor Physics, SB RAS:
- 2007 – 2014: Technician, Engineer.
- 2014 – 2020: Junior Researcher.
- 2020 – 2023: Researcher.
- 2023 – Present: Senior Researcher.
Teaching Experience:
- 2012 – 2017 — Assistant, Department of General Physics, Physics Department, Novosibirsk State University.
- 2017 – 2019 — Senior Lecturer, Department of General Physics, Physics Department, Novosibirsk State University.
- 2019 – Present — Associate Professor, Department of General Physics, Physics Department, Novosibirsk State University.
Since 2012, has been conducting seminar sessions for the courses "Electricity and Magnetism" and "Electrodynamics and Optics" for second-year students of the Physics Department at Novosibirsk State University (NSU).
Since 2012, has been a member of the NSU Subject Commission on Physics, participating in the development and review of tasks for the entrance exam and conducting entrance exams in physics for applicants and graduate school entrants at NSU.
Since 2009, has been a member of the jury for the school Olympiad "Your Path to Real Science" in physics (known as "Future of Siberia" until 2019). Since 2018, has been a member of the methodological commission of the international Olympiad Open Doors: Russian Scholarship Project for master's degree applicants, held with the support of the Ministry of Science and Higher Education of the Russian Federation.
Since 2015, has been regularly invited as an expert and jury member for school scientific and practical conferences such as the Open Regional Scientific and Practical Conference of School Students "Eureka," the Scientific and Practical Conference of School Students "Siberia," the All-Russian Competition of Youth Research Works named after V.I. Vernadsky, the Siberian Tournament of Young Physicists, and others.
From 2015 to 2017, conducted a summer school in physics for gifted children in the Republic of Khakassia to prepare for physics Olympiads. Since 2021, has been a member of the expert council of the Republican Center for Work with Gifted Children "Altair-Khakassia."
Awards and Honors:
- Four-time recipient of the Presidential Scholarship for Young Scientists and Graduate Students (2012 – 2014, 2015 – 2017, 2018 – 2020, 2021 – 2023).
- Two-time recipient of the A.V. Rzhanov Scholarship for Young Scientists of A. V. Rzhanov Institute of Semiconductor Physics, SB RAS (2015 – 2016, 2021 – 2022).
- Four-time recipient of the Scholarship for Young Scientists of A. V. Rzhanov Institute of Semiconductor Physics, SB RAS (2011 – 2012, 2013 – 2014, 2017 – 2018, 2019 – 2020).
- Recipient of the Novosibirsk Oblast Government Scholarship (2012).
- Recipient of the Novosibirsk City Mayor's Scholarship (2012).
- Awarded a letter of gratitude for conscientious work and in connection with the 60th anniversary of the founding of Novosibirsk State University.
- Awarded a letter of gratitude from the Main Department of Education of the Novosibirsk City Administration (2016).
- Awarded a letter of gratitude from the Ministry of Education and Science of the Republic of Khakassia (2015).
- Diploma for the best work by young scientists presented at the XV Russian Conference on Semiconductor Physics (2022) for the work "Spontaneous structuring of the quantum point contact channel due to inter-electron interaction."
- First-degree diploma for the best presentation "Multichannel transport in single quantum point contacts" at the Ural International Winter School on Semiconductor Physics – 2020.
- First-degree diploma for the best presentation at the School of Young Scientists "Actual Problems of Semiconductor Nanosystems – 2019."
- First-degree diploma at the XLIX International Student Conference "Student and Scientific-Technical Progress" (Novosibirsk, 2011) for the presentation "Hysteresis of magnetoresistance of two-dimensional electron gas in the quantum Hall effect regime."
Selected Publications:
Dmitriy A. Pokhabov is the co-author of more than 100 scientific papers and educational publications, including:
D. I. Sarypov, D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. A. Shevyrin, A. K. Bakarov, A. A. Shklyaev. Temperature Dependence of Electron Viscosity in Superballistic GaAs Point Contacts. Phys. Rev. Lett. 134, 026302 (2025).
D. A. Egorov, D. A. Pokhabov, E. Yu. Zhdanov, A. A. Shevyrin, A. K. Bakarov, A. G. Pogosov. Enhanced e–e interaction in suspended 2DEG evidenced by transverse magnetic focusing. Appl. Phys. Lett. 125, 112103 (2024).
D. A. Pokhabov, A. G. Pogosov, A. A. Shevyrin, E. Yu. Zhdanov, A. K. Bakarov. Conductance Quantization Features in Multichannel Quantum Point Contacts. JETP Lett. 119, 5, 380 – 388 (2024).
D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. K. Bakarov. Scanning of Electronic States in a Quantum Point Contact Using Asymmetrically Biased Side Gates. JETP Lett. 117, 299 – 305 (2023).
A. G. Pogosov, A. A. Shevyrin, D. A. Pokhabov, E. Yu. Zhdanov, S. Kumar. Suspended semiconductor nanostructures: physics and technology. J. Phys.: Condens. Matter 34, 263001 (2022).
D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. K. Bakarov, A. A. Shklyaev. Crossing and anticrossing of 1D subbands in a quantum point contact with in-plane side gates. Appl. Phys. Lett. 118, 012104 (2021).
D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. K. Bakarov, A. A. Shklyaev. Suspended quantum point contact with triple channel selectively driven by side gates. Appl. Phys. Lett. 115, 152101 (2019).
D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. A. Shevyrin, A. K. Bakarov, A. A. Shklyaev. Lateral-electric-field-induced spin polarization in a suspended GaAs quantum point contact. Appl. Phys. Lett. 112, 082102 (2018).
M. V. Budantsev, D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. K. Bakarov, A. I. Toropov. Hysteretic Phenomena in a 2DEG in the Quantum Hall Effect Regime, Studied in a Transport Experiment. Semiconductors 48, 1423 – 1431 48, (2014).
A. G. Pogosov, M. V. Budantsev, E. Yu. Zhdanov, D. A. Pokhabov, A. K. Bakarov, A. I. Toropov. Electron transport in suspended semiconductor structures with two-dimensional electron gas. Appl. Phys. Lett. 100, 181902 (2012).
STAFF MEMBERS
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Daniil I. Sarypov Engineer-Researcher, Postgraduate Student
Tel: +7 (383) 330-81-71 RSCI Author ID: 1180285 RSCI SPIN-code: 3352-7080 ORCID: 0000-0003-1056-5235 Web of Science ResearcherID: JQI-5153-2023 Scopus Author ID: 57964154900 ResearchGate Profile: Daniil-Sarypov |
Research Interests:
The area of scientific interests of D. I. Sarypov is connected with the experimental study of electron transport in semiconductor structures with reduced dimensionality, including in structures with enhanced electron-electron interaction. Of particular interest is the hydrodynamic description of electron transport, i.e. consideration of the collective motion of electrons as a flow of a viscous liquid. Such an analogy gives a clear physical picture of the phenomenon and allows promptly predicting the influence of interelectron interaction on the experiment.
Education:
- 2022 — Graduated with a Bachelor's degree in Physics, Physics Department, Novosibirsk State University.
- 2024 — Graduated with a Master's degree in Physics, Physics Department, Novosibirsk State University.
- 2018 – Present — postgraduate student of the Physics Department of Novosibirsk State University.
Professional Experience:
- 2021 – 2024: research practice at A.V. Rzhanov Institute of Semiconductor Physics, SB RAS.
- 2024 – Present: Engineer-Researcher at Lab. 24 at A.V. Rzhanov Institute of Semiconductor Physics, SB RAS.
Awards and Honors:
- Recipient of the A. V. Rzhanov personal scholarship for young scientists at the A. V. Rzhanov Institute of Semiconductor Physics (2024-2025).
- First-degree diploma for the best presentation at the School of Young Scientists "Current Problems of Semiconductor Nanosystems - 2024".
- First-degree diploma for the best presentation at the International Scientific Student Conference 2024.
- Second-degree diploma for the best presentation at the XXV All-Russian Youth Conference on Semiconductor Physics and Nanostructures, Semiconductor Opto- and Nanoelectronics (2023).
Selected Publications:
D. I. Sarypov, D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. A. Shevyrin, A. K. Bakarov, A. A. Shklyaev. Temperature Dependence of Electron Viscosity in Superballistic GaAs Point Contacts. Phys. Rev. Lett. 134, 026302 (2025).
D. I. Sarypov, D. A. Pokhabov, A. G. Pogosov, E. Yu. Zhdanov, A. K. Bakarov. Multiwell Potential in a Trench-Type Quantum Point Contact. JETP Lett. 116 (6), 360 – 366 (2022).
STAFF MEMBERS
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Polina A. Kuchinskaya Senior Engineer Tel: +7 (383) 333-25-19 RSCI Author ID: 1072052 RSCI SPIN-code: 4357-0802 ORCID: 0000-0002-1010-6736 Web of Science ResearcherID: J-6059-2018 Scopus Author ID: 36608285700 ResearchGate Profile: P-Kuchinskaya |
Scientific activities:
The work involves studying the surface morphology of various materials using atomic force microscopy and conducting data analysis of the obtained results. Document management and administrative duties in the laboratory, including responsibilities as a materially responsible person.
Education:
2009 – Graduated from Novosibirsk State Technical University with a specialization in "Nanotechnology in Electronics."
2012 – Completed a postgraduate program at the Institute of Semiconductor Physics SB RAS in "Semiconductor Physics," presenting a dissertation."
Professional Experience:
Institute of Semiconductor Physics SB RAS, Novosibirsk: Since 2009 — Senior Engineer.
Selected publications:
V. A. Zinovyev, Zh. V. Smagina, A. F. Zinovieva, E. E. Rodyakina, A. V. Kacyuba, P. A. Kuchinskaya, K. N. Astankova, K. V. Baryshnikova, M. I. Petrov, M. S. Mikhailovskii, V. A. Verbus, M. V. Stepikhova, A. V. Novikov. High-Q states in the emission spectra of linear periodic chains of Si nanodisks with embedded GeSi quantum dots. Semiconductors 58 (5), 227 – 230 (2024).
Z. V. Smagina, V. A. Zinovyev, E. E. Rodyakina, A. V. Nenashev, P. A. Kuchinskaya, A. V. Dvurechenskii, A. V. Novikov, M. V. Stepikhova, S. M. Sergeev, A. V. Peretokin, M. V. Shaleev, S. A. Gusev. Luminescence of spatially ordered self-assembled solitary Ge(Si) nanoislands and their groups incorporated into photonic crystals. Semiconductors 54, 853 –859 (2020).
Zh. V. Smagina, V. A. Zinovyev, G. K. Krivyakin, E. E. Rodyakina, P. A. Kuchinskaya, B. I. Fomin, A. N. Yablonskiy, M. V. Stepikhova, A. V. Novikov, A. V. Dvurechenskii. Study of the Structural and Emission Properties of Ge(Si) Quantum Dots Ordered on the Si(001) Surface. Semiconductors 52, 1150 – 1155 (2018).
V. A. Zinovyev, A. F. Zinovieva, P. A. Kuchinskaya, Zh. V. Smagina, V. A. Armbrister, A. V. Dvurechenskii, O. M. Borodavchenko, V. D. Zhivulko, A. V. Mudryi. Strain-induced improvement of photoluminescence from the groups of laterally ordered SiGe quantum dots. Applied Physics Letters 110, 102101 (2017).
STAFF MEMBERS
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Vladimir A. Volodin Leading Researcher,
Tel: +7 (383) 333-24-70 RSCI Author ID: 36921 RSCI SPIN-code: 3804-1930 ORCID: 0000-0002-1022-0731 Web of Science ResearcherID: S-1809-2018 Scopus Author ID: 7003730532 ResearchGate Profile: Vladimir-Volodin |
Research Interests:
Semiconductors, semiconductor nanostructures, defects, Raman scattering, luminescence, phonons, phonon-plasmon interaction, laser processing of nanostructures, transistors, solar cells, dielectrics, MOS structures, memristors.
Education:
- 1991 — Graduated from Novosibirsk State University with a specialization in Physics, Department of Semiconductor Physics. Diploma thesis: "Studies of Radiation and Thermally Stimulated Relaxation of Stresses in Silicon-on-Sapphire Structures."
- 1999 — Defended Candidate of Sciences dissertation, titled "Investigation of Semiconductor Nanostructures Based on Si and GaAs Using Raman Scattering."
- 2017 — Defended Doctor of Sciences dissertation, titled "Phonon Localization and Phonon-Plasmon Interaction in Semiconductor Nanostructures."
Professional Experience:
- 1991 – 1993 — Engineer-Researcher.
- 1993 – 1997 — Junior Researcher.
- 1997 – 2001 — Researcher.
- 2001 – 2021 — Senior Researcher.
- 2021 – Present — Leading Researcher.
Teaching Experience:
- 1997 – 2000 — Assistant Professor, Department of General Physics, Physics Department, Novosibirsk State University.
- 2000 – 2002 — Senior Lecturer, Department of General Physics, Physics Department, Novosibirsk State University.
- 2003 – 2018 — Associate Professor, Department of General Physics and Department of Automation of Physical and Technical Research, Physics Department, Novosibirsk State University.
- 2018 – Present — Professor, Novosibirsk State University (Courses: "Physical Foundations of Microelectronics," "Vibrational Spectroscopy," Seminars on Electrodynamics).
- 2005 — Received the title of Associate Professor in "Semiconductor Physics".
Under the supervision of V. A. Volodin, 17 bachelor's and 12 master's students (including five international students from China) from the Department of Physics, NSU, as well as 3 bachelor's and 2 master's students from NSTU, have graduated. V. A. Volodin supervises graduate students at the Department of Physics, NSU (including international students from China) and A. V. Rzhanov Institute of Semiconductor Physics, SB RAS. Under his supervision, five candidates of sciences have defended their dissertations, including one dissertation from China.
The research results of V. A. Volodin are presented in more than 300 publications (according to ISI Web of Science), with a total citation count exceeding 2800 and an h-index of 25.
Selected Publications:
- M. D. Efremov, V. V. Bolotov, V. A. Volodin, L. I. Fedina, E. A. Lipatnikov. Excimer laser and RTA stimulation of solid phase nucleation and crystallization in amorphous silicon films on glass substrates. J. Phys.: Condens. Matter 8, 273 – 286 (1996).
V. A. Volodin, M. D. Efremov, V. A. Gritsenko, S. A. Kochubei. Raman study of silicon nanocrystals formed in SiNx films by excimer laser or thermal annealing. Appl. Phys. Lett. 73, 9, 1212 – 1214 (1998).
N. N. Ledentsov, D. Litvinov, A. Rosenauer, D. Gerthsen, I. P. Soshnikov, V. A. Shchukin, V. M. Ustinov, A. Yu. Egorov, A. E. Zukov, V. A. Volodin, M. D. Efremov, V. V. Preobrazhenskii, B. P. Semyagin, D. Bimberg, Zh. I. Alferov. Interface structure and growth mode of quantum wire and quantum dot GaAs-AlAs structures on corrugated (311)A surface. J. Electron. Mater. 30, 463 – 470 (2001).
E. B. Gorokhov, V. A. Volodin, D. V. Marin, D. A. Orekhov, A. G. Cherkov, A. K. Gutakovskii, V. A. Shvets, A. G. Borisov, M. D. Efremov. Effect of quantum confinement on optical properties of Ge nanocrystals in GeO2 films. Semiconductors 39, 10, 1168 – 1175 (2005).
V. A. Volodin, M. D. Efremov, A. S. Deryabin, L. V. Sokolov. Determination of the composition and stresses in GexSi(1−x) heterostructures from Raman spectroscopy data: Refinement of model parameters. Semiconductors 40, 11, 1314 – 1320 (2006).
V. Chis, I. Yu. Sklyadneva, K. A. Kokh, V. A. Volodin, O. E. Tereshchenko, E. V. Chulkov. Vibrations in binary and ternary topological insulators: First-principles calculations and Raman spectroscopy measurements. Phys. Rev. B 86, 174304 (2012).
В. А. Володин, В. А. Сачков. Улучшенная модель локализации оптических фононов в нанокристаллах кремния. ЖЭТФ 143, 1, 100 – 108 (2013).
V. A. Volodin, D. I. Koshelev. Quantitative Analysis of Hydrogen in Amorphous Silicon Using Raman Scattering Spectroscopy. J. Raman Spectrosc. 44, 1760 – 1764 (2013).
V. A. Volodin, D. V. Marin, V. A. Sachkov, E. B. Gorokhov, H. Rinnert, M. Vergnat. Applying of Improved Phonon Confinement Model for Analysis of Raman Spectra of Germanium Nanocrystals. ЖЭТФ 145, 1, 77 – 83 (2014).
V. A. Volodin, M. P. Sinyukov, B. R. Semyagin, M. A. Putyato, V. V. Preobrazhenskiy. Experimental observation of interface-phonon-plasmon mode in n-GaAs/i-GaAs heterostructure. Solid State Communications 224, 21 – 23 (2015).
D. M. Zhigunov, G. N. Kamaev, P. K. Kashkarov, and V. A. Volodin. On Raman Scattering Cross Section Ratio of Crystalline and Microcrystalline to Amorphous Silicon. Appl. Phys. Lett. 113, 023101 (2018).
V. A. Volodin, V. Mortet, A. Taylor, Z. Remes, T. H. Stuchliková, J. Stuchlik. Raman scattering in boron doped nanocrystalline diamond films: manifestation of Fano interference and phonon confinement effect. Solid State Communications 276, 33 – 36 (2018).
V. A. Volodin, G. N. Kamaev, V. A. Gritsenko, A. A. Gismatulin, A. Chin, and M. Vergnat. Memristor effect in GeO[SiO2] and GeO[SiO] solid alloys films. Appl. Phys. Lett. 114, 233104 (2019).
Zhang Hao, S. A. Kochubei, A. A. Popov, V. A. Volodin. On Raman Scattering Cross Section Ratio of Amorphous to Nanocrystalline Germanium. Solid State Communications 313, 113897 (2020).
I. D. Yushkov, A. A. Gismatulin, I. P. Prosvirin, G. N. Kamaev, D. V. Marin, M. Vergnat. V. A. Volodin. Charge transport mechanism in GeOxSiO2 based MIS structures. Appl. Phys. Lett. 125, 242901 (2024).
STAFF MEMBERS
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Alexander S. Lubin a post-graduate. |
Education:
graduated from PD of NSU in 2009.