activity
20152026
most citedExperimental realization of a topological p-n junction by intrinsic defect-grading

50 citations · 127 across the 18 of their papers we have counts for

collaborators

18 papers

cond-mat.mtrl-sci2026

Tuning topological phase and Dirac point position via Pb and Sb substitution in MnPb(BiSb)Te

T. P. Makarova, D. A. Estyunin, V. A. Golyashov +7

This study presents a systematic investigation of MnPb(BiSb)Te crystals over a wide range of concentrations (x = 10-60%, y = 5-60%). It was…

cond-mat.mtrl-sci2026

Elucidating NaKSb band structure: near-band-gap photoemission spectroscopy and DFT calculations

S. A. Rozhkov, V. V. Bakin, S. V. Eremeev +7

The electronic band structure of NaKSb was studied by a combination of low-energy photoemission spectroscopy and density functional theory (DFT) calculations. The optical and…

cond-mat.mtrl-sci2026★ 2 cited

Revealing the (111) surface electronic structure of epitaxially grown NaKSb photocathode

N. Yu. Solovova, V. A. Golyashov, S. V. Eremeev +5

A recent study has established the NaKSb(Cs) photocathode as a highly efficient emitter of spin-polarized electrons. However, the electronic structure of alkali antimonides rem…

cond-mat.mtrl-sci2025

Subthermal Mean Transverse Energies Induced by Electron Refraction on the Jump in Mass at the Surface of Multialkali Photocathodes

S. A. Rozhkov, V. V. Bakin, H. E. Scheibler +6

The search for photocathode materials with low mean transverse energies (MTEs) and, hence, low intrinsic emittance is of crucial importance for various fields of particle and solid…

cond-mat.mtrl-sci2024

Probing the Interaction Between Topological and Rashba-like Surface States in MnBiTe Through Sn Doping

A. V. Tarasov, D. A. Estyunin, A. G. Rybkin +14

The presence of Rashba-like surface states (RSS) in the electronic structure of topological insulators (TIs) has been a longstanding topic of interest due to their significant impa…

cond-mat.mtrl-sci2024

Growth of bulk crystals of magnetic topological insulators under peritectic conditions

Anton I. Sergeev, Alexander S. Frolov, Nadezhda V. Vladimirova +9

Magnetic topological materials (MTIs) including MnBiTe are of scientific interest due to the possibility to reveal the interplay between topological and magnetic orders. Fo…

cond-mat.mtrl-sci2024★ 3 cited

The electronic structure of MnPbBiTe: experimental evidence of topological phase transition

D. A. Estyunin, T. P. Estyunina, I. I. Klimovskikh +14

This study investigates methods for controlling the physical properties of the intrinsic magnetic topological insulator MnBiTe (MBT) by substituting Mn with Pb in Mn$_{1-x}…

cond-mat.supr-con2024

Intrinsic Negative Magnetoresistance in Layered AFM Semimetals: the Case of EuSnAs

K. S. Pervakov, A. V. Sadakov, O. A. Sobolevskiy +12

Here, by applying a comprehensive approach including magnetic, transport measurements, ARPES band structure measurements, DFT calculations, and analytical theory consideration, we…

cond-mat.mtrl-sci2024★ 7 cited

Direct spin imaging detector based on freestanding magnetic nanomembranes with electron optical amplification

O. E. Tereshchenko, V. V. Bakin, S. A. Stepanov +7

An analog of the optical polarizer/analyzer for electrons, a spin filter based on freestanding ferromagnetic (FM) nanomembrane covering the entrance of the microchannel plate (MCP)…

cond-mat.mtrl-sci2024

Phase transitions, Dirac and WSM states in

A. M. Shikin, N. L. Zaitsev, T. P. Estyunina +15

Using angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT), an experimental and theoretical study of changes in the electronic structure (dispersio…

cond-mat.other2024★ 4 cited

Interfacing Quantum Spin Hall and Quantum Anomalous Hall insulators: Bi bilayer on MnBiTe-family materials

I. I. Klimovskikh, S. V. Eremeev, D. A. Estyunin +17

Meeting of non-trivial topology with magnetism results in novel phases of matter, such as Quantum Anomalous Hall (QAH) or axion insulator phases. Even more exotic states with high…

cond-mat.mtrl-sci2023★ 1 cited

Magnetic Dirac semimetal state of (Mn,Ge)BiTe

Alexander S. Frolov, Dmitry Yu. Usachov, Artem V. Tarasov +13

For quantum electronics, the possibility to finely tune the properties of magnetic topological insulators (TIs) is a key issue. We studied solid solutions between two isostructural…

cond-mat.mtrl-sci2022★ 3 cited

Semiconducting Electronic Structure of the Ferromagnetic Spinel Revealed by Soft-X-Ray Angle-Resolved Photoemission Spectroscopy

Hiroaki Tanaka, Andrei V. Telegin, Yurii P. Sukhorukov +12

We study the electronic structure of the ferromagnetic spinel by soft-x-ray angle-resolved photoemission spectroscopy (SX-ARPES) and first-p…

cond-mat.mtrl-sci2022★ 46 cited

New spin-polarized electron source based on alkali-antimonide photocathode

V. S. Rusetsky, V. A. Golyashov, S. V. Eremeev +6

New spin-dependent photoemission properties of alkali antimonide semiconductor cathodes are predicted based on the detected optical spin orientation effect and DFT band structure c…

cond-mat.mtrl-sci2019

Band gap opening at the Dirac point in Co/BiSbTeSe2(0001) system

A. K. Kaveev, A. G. Banshchikov, A. N. Terpitskiy +6

Sub-angstrom Co coverage, being deposited on BiSbTeSe2(0001) surface at 200-330 C, opens a band gap at the Dirac point, with the shift of the Dirac point position caused by RT adso…

cond-mat.mtrl-sci2018

Crystalline structure and XMCD studies of Co40Fe40B20 grown on Bi2Te3, BiTeI and Bi2Se3

A. K. Kaveev, N. S. Sokolov, S. M. Suturin +6

Epitaxial films of Co40Fe40B20 (further - CoFeB) were grown on Bi2Te3(001) and Bi2Se3(001) substrates by laser molecular beam epitaxy (LMBE) technique at 200-400C. Bcc-type crystal…

cond-mat.mes-hall2017★ 11 cited

Conductance oscillations and zero-bias anomaly in a single superconducting junction to a three-dimensional topological insulator

O. O. Shvetsov, V. A. Kostarev, A. Kononov +4

We experimentally investigate Andreev transport through a single junction between an s-wave indium superconductor and a thick film of a three-dimensional topological ins…

cond-mat.mes-hall2015★ 50 cited

Experimental realization of a topological p-n junction by intrinsic defect-grading

T. Bathon, S. Achilli, P. Sessi +4

A junction between an n- and p-type semiconductor results in the creation of a depletion region whose properties are at the basis of nowadays electronics. If realized using topolog…