Yuriy Dedkov

Intercalation of Mn in graphene/Cu(111) interface: insights to the electronic and magnetic properties from theory

Qilin Guo, Yuriy Dedkov, Elena Voloshina

The effect of Mn intercalation on the atomic, electronic and magnetic structure of the graphene/Cu(111) interface is studied using state-of-the-art density functional theory calcul…

cond-mat.mtrl-sci2018

Realistic large-scale modeling of Rashba and induced spin-orbit effects in graphene/high-Z-metal systems

Elena Voloshina, Yuriy Dedkov

Graphene, as a material with a small intrinsic spin-orbit interaction of approximately 1 $I^¼$ eV, has a limited application in spintronics. Adsorption of graphene on the surfaces of…

Dirac fermions in half-metallic ferromagnetic mixed Cr $_{1 - x}$ M $_{x}$ PSe $_{3}$ monolayers

Juntao Yang, Yong Zhou, Yuriy Dedkov +1

The electronic and magnetic properties of pristine CrPSe $_{3}$ and mixed Cr $_{1 - x}$ M $_{x}$ PSe $_{3}$ (M = Zn, Cd, Hg) monolayers were studied using density functional theory incl…

cond-mat.mtrl-sci2011

On the physisorption of water on graphene: a CCSD(T) study

Elena Voloshina, Denis Usvyat, Martin Schuetz +2

The electronic structure of the zero-gap two-dimensional graphene has a charge neutrality point exactly at the Fermi level that limits the practical application of this material. T…

Topological Quasi-2D Semimetal Co $_{3}$ Sn $_{2}$ S $_{2}$ : Insights To Electronic Structure From NEXAFS and Resonant Photoelectron Spectroscopy

Mouhui Yan, Yichen Jin, Xiaofei Hou +6

The electronic structure of the natural topological semimetal Co $_{3}$ Sn $_{2}$ S $_{2}$ crystals was studied using near-edge x-ray absorption spectroscopy (NEXAFS) and resonant photoelectr…

Restoring a free-standing character of graphene on Ru(0001)

Elena Voloshina, Nikolai Berdunov, Yuriy Dedkov

Realization of a free-standing graphene is always a demanding task. Here we use scanning probe microscopy and spectroscopy to study the crystallographic structure and electronic pr…

cond-mat.mtrl-sci2018

The graphene/n-Ge(110) interface: structure, doping, and electronic properties

Julia Tesch, Fabian Paschke, Mikhail Fonin +10

The implementation of graphene in semiconducting technology requires the precise knowledge about the graphene-semiconductor interface. In our work the structure and electronic prop…

Mott-Hubbard Insulating State for the Layered van der Waals FePX $_{3}$ (X:S, Se) As Revealed by NEXAFS and Resonant Photoelectron Spectroscopy

Yichen Jin, Mouhui Yan, Tomislav Kremer +2

A broad family of the nowadays studied low-dimensional systems, including 2D materials, demonstrate many fascinating properties, which however depend on the atomic composition as w…

To the synthesis and characterization of layered metal phosphorus triselenides proposed for electrochemical sensing and energy applications

Yuriy Dedkov, Mouhui Yan, Elena Voloshina

Recent studies reported on the synthesis and characterization of several bulk crystals of layered metal triselenophosphites MPSe $_{3}$ (M = transition metals). In these works charact…

Correlations in the Electronic Structure of van der Waals NiPS $_{3}$ Crystals: An X-Ray Absorption and Resonant Photoelectron Spectroscopy Study

Mouhui Yan, Yichen Jin, Zhicheng Wu +5

The electronic structure of high-quality van der Waals NiPS $_{3}$ crystals was studied using near-edge x-ray absorption spectroscopy (NEXAFS) and resonant photoelectron spectroscopy…

cond-mat.mtrl-sci2022

Realization of the electric-field driven "one-material"-based magnetic tunnel junction using van der Waals antiferromagnetic MnPX3 (X: S, Se)

Yichen Jin, Mouhui Yan, Yuriy Dedkov +1

Presently a lot of efforts are devoted to the investigation of new two-dimensional magnetic materials, which are considered as promising for the realization of the future electroni…

cond-mat.mtrl-sci2016

Adsorption of NO2 on WSe2: DFT and photoelectron spectroscopy studies

Roman Ovcharenko, Yuriy Dedkov, Elena Voloshina

The electronic structure modifications of WSe2 upon NO2-adsorption at room and low temperatures were studied by means of photoelectron spectroscopy. We found only moderate changes…

Local electronic properties of the graphene-protected giant Rashba-split BiAg $_{2}$ surface

Julia Tesch, Elena Voloshina, Milan Jubitz +2

We report the preparation of the interface between graphene and the strong Rashba-split BiAg $_{2}$ surface alloy and investigatigation of its structure as well as the electronic prop…

Adsorption of water on the pristine and defective semiconducting 2D CrPX $_{3}$ monolayers (X: S, Se)

Sifan Xu, Zhicheng Wu, Yuriy Dedkov +1

The effect of vacancy and water adsorption on the electronic structure of semiconducting 2D trichalcogenide material CrPX $_{3}$ (X: S, Se) is studied using state-of-the-art density f…

Graphene layer on Rh(111): combined DFT, STM, and NC-AFM studies

Petar Stojanov, Elena Voloshina, Yuriy Dedkov +3

The simultaneous combination of scanning probe methods (tunnelling and force microscopies, STM and AFM) is a unique way to get an information about crystallographic and electronic…

cond-mat.mtrl-sci2020

Epitaxial graphene/Ge interfaces: a minireview

Yuriy Dedkov, Elena Voloshina

The recent discovery of the ability to perform direct epitaxial growth of graphene layers on semiconductor Ge surfaces led to the huge interest to this topic. One of the reasons fo…

Decoupling of graphene from Ni(111) via oxygen intercalation

Yuriy Dedkov, Wolfgang Klesse, Andreas Becker +3

The combination of the surface science techniques (STM, XPS, ARPES) and density-functional theory calculations was used to study the decoupling of graphene from Ni(111) by oxygen i…

Graphene Layer Morphology as an Indicator of the Metals Alloy Formation at the Interface

Elena Voloshina, Beate Paulus, Yuriy Dedkov

The intercalation of different species in graphene-metal interfaces is widely used to stabilise the artificial phases of different materials. However, formation of the surface allo…

Comment on "Spin-Orbit Coupling Induced Gap in Graphene on Pt(111) with Intercalated Pb Monolayer"

Yuriy Dedkov, Elena Voloshina

Recently a paper of Klimovskikh et al. was published presenting experimental and theoretical analysis of the graphene/Pb/Pt(111) system. The authors investigate the crystallographi…

cond-mat.mtrl-sci2019

Intercalation of O $_{2}$ and N $_{2}$ in the Graphene/Ni Interfaces of Different Morphology

Changbao Zhao, Jiayi Li, Jiuxiang Dai +3

Near-ambient pressure XPS and STM experiments are performed to study the intercalation of oxygen and nitrogen at different partial gas pressures and different temperatures in the g…

Modification of the magnetic and electronic properties of the graphene-Ni(111) interface via halogens intercalation

Yong Zhou, Roman Ovcharenko, Beate Paulus +2

Electronic decoupling of graphene from metallic and semiconducting substrates via intercalation of different species is one of the widely used approaches in studies of graphene. In…

Graphene growth and properties on metal substrates

Yuriy Dedkov, Elena Voloshina

Graphene-metal interface as one of the interesting graphene-based objects attracts much attention from both application and fundamental science points of view. This paper gives a t…

Scanning probe microscopy and spectroscopy of graphene on metals

Yuriy Dedkov, Elena Voloshina, Mikhail Fonin

Graphene, a two-dimensional (2D) material with unique electronic properties, appears to be an ideal object for the application of surface-science methods. Among them, a family of s…

cond-mat.mtrl-sci2019

Electronic structure and magnetic properties of the graphene/Ni3Mn/Ni(111) trilayer

Elena Voloshina, Qilin Guo, Beate Paulus +6

Experimental and theoretical studies of manganese deposition on graphene/Ni(111) shows that a thin ferromagnetic Ni3Mn layer, which is protected by the graphene overlayer, is forme…

cond-mat.mtrl-sci2019

Dirac-Electron Behavior for Spin-Up Electrons in Strongly Interacting Graphene on Ferromagnetic Mn $_{5}$ Ge $_{3}$

Elena Voloshina, Yuriy Dedkov

An elegant approach on the synthesis of graphene on the strong ferromagnetic (FM) material Mn $_{5}$ Ge $_{3}$ is proposed via intercalation of Mn in the graphene-Ge(111) interface. Accor…

Growth and electronic structure of graphene on semiconducting Ge(110)

Julia Tesch, Elena Voloshina, Mikhail Fonin +1

The direct growth of graphene on semiconducting or insulating substrates might help to overcome main drawbacks of metal-based synthesis, like metal-atom contaminations of graphene,…

Electronic, magnetic and optical properties of MnPX $_{3}$ (X = S, Se) monolayers with and without chalcogen defects: A first-principle study

Juntao Yang, Yong Zhou, Qilin Guo +2

Based on density functional theory (DFT), we performed first-principle studies on the electronic structure, magnetic state and optical properties of two-dimensional (2D) transition…

cond-mat.mtrl-sci2016

Spectroscopic and DFT studies of graphene intercalation systems on metals

Yuriy Dedkov, Elena Voloshina

Intercalation of different species under graphene on metals is an effective way to tailor electronic properties of these systems. Here we present the successful intercalation of me…

cond-mat.mtrl-sci2024

Electronic Correlations in Multiferroic van der Waals CuCrP $_{2}$ S6: Insights From X-Ray Spectroscopy and DFT

Yefei Guo, Jiali Yang, Junhao Zhou +6

The electronic structure of high-quality van der Waals multiferroic CuCrP $_{2}$ S6 crystals was investigated applying photoelectron spectroscopy methods in combination with DFT analys…