activity
20232025
most citedAsymmetric Electrostatic Dodecapole: Compact Bandpass Filter with Low Aberrations for Momentum Microscopy

5 citations · 10 across the 8 of their papers we have counts for

collaborators

8 papers

cond-mat.mtrl-sci2025

Orbital magnetization in the Nb-substituted Kagome metal CsVSb

H. J. Elmers, O. Tkach, Y. Lytvynenko +12

This study uses angle-resolved photoemission spectroscopy to examine the low-temperature electronic structure of Cs(VNb)Sb, demonstrating that partially s…

cond-mat.str-el2024

The electronic structure of EuPdSi in the vicinity of the critical endpoint

O. Fedchenko, Y. -J. Song, O. Tkach +10

Hard X-ray angle-resolved photoemission spectroscopy reveals significant alterations in the valence band states of EuPdSi at a temperature , where the Eu ions undergo…

cond-mat.str-el2024★ 1 cited

Chirality in the Kagome Metal CsVSb

H. J. Elmers, O. Tkach, Y. Lytvynenko +22

Using x-ray photoelectron diffraction (XPD) and angle-resolved photoemission spectroscopy, we study photoemission intensity changes related to changes in the geometric and electron…

cond-mat.mtrl-sci2024★ 3 cited

Multimode Objective Lens for Momentum Microscopy and XPEEM: Experiments

O. Tkach, S. Fragkos, D. Biswas +37

A new type of objective lens has recently been proposed for use in X-ray photoemission electron microscopes (XPEEMs) and momentum microscopes. Adding a ring electrode concentric wi…

cond-mat.mtrl-sci2023★ 1 cited

Doping-Induced Electronic and Structural Phase Transition in the Bulk Weyl Semimetal Mo1-xWxTe2

O. Fedchenko, F. K. Diekmann, P. Russmann +21

A comprehensive study of the electronic and structural phase transition from 1T` to Td in the bulk Weyl semimetal Mo1-xWxTe2 at different doping concentrations has been carried out…

cond-mat.str-el2023

Valence-transition-induced changes of the electronic structure in EuPdSi

O. Fedchenko, Y. -J. Song, O. Tkach +10

We present results of hard X-ray angle-resolved photoemission spectroscopy and photoemission diffraction measurements performed on high-quality single crystals of the valence trans…

cond-mat.mtrl-sci2023

Control of the asymmetric band structure in Mn2Au by a ferromagnetic driver layer

Y. Lytvynenko, O. Fedchenko, S. V. Chernov +15

Hard X-ray angle-resolved photoemission spectroscopy reveals the momentum-resolved band structure in an epitaxial Mn2Au(001) film capped by a 2 nm thick ferromagnetic Permalloy lay…

physics.ins-det2023★ 5 cited

Asymmetric Electrostatic Dodecapole: Compact Bandpass Filter with Low Aberrations for Momentum Microscopy

O. Tkach, S. Babenkov, Y. Lytvynenko +5

Imaging energy filters in photoelectron microscopes and momentum microscopes use spherical fields with deflection angles of 90°, 180°, and even 2 x 180°. These instruments are opti…