Hard x-ray photoelectron spectroscopy: a snapshot of the state-of-the-art in 2020

C Kalha, NK Fernando, P Bhatt… - Journal of Physics …, 2021 - iopscience.iop.org
Hard x-ray photoelectron spectroscopy (HAXPES) is establishing itself as an essential
technique for the characterisation of materials. The number of specialised photoelectron …

Defects in ferroelectric HfO 2

A Chouprik, D Negrov, EY Tsymbal, A Zenkevich - Nanoscale, 2021 - pubs.rsc.org
The discovery of ferroelectricity in polycrystalline thin films of doped HfO2 has reignited the
expectations of developing competitive ferroelectric non-volatile memory devices. To date, it …

The state of zinc in methanol synthesis over a Zn/ZnO/Cu (211) model catalyst

P Amann, B Klötzer, D Degerman, N Köpfle, T Götsch… - Science, 2022 - science.org
The active chemical state of zinc (Zn) in a zinc-copper (Zn-Cu) catalyst during carbon
dioxide/carbon monoxide (CO2/CO) hydrogenation has been debated to be Zn oxide (ZnO) …

Present and new frontiers in materials research by ambient pressure x-ray photoelectron spectroscopy

J Schnadt, J Knudsen… - Journal of Physics …, 2020 - iopscience.iop.org
In this topical review we catagorise all ambient pressure x-ray photoelectron spectroscopy
publications that have appeared between the 1970s and the end of 2018 according to their …

Ferroelectric second-order memristor

V Mikheev, A Chouprik, Y Lebedinskii… - … applied materials & …, 2019 - ACS Publications
While the conductance of a first-order memristor is defined entirely by the external stimuli, in
the second-order memristor it is governed by the both the external stimuli and its instant …

Smart Design of Fermi Level Pinning in HfO2‐Based Ferroelectric Memories

L Baumgarten, T Szyjka, T Mittmann… - Advanced Functional …, 2024 - Wiley Online Library
How and why the reliability of ferroelectric HfO2‐and HZO (Hf0. 5Zr0. 5O2)‐based memory
devices strongly depends on the choice of electrode materials is currently under intense …

A high-pressure x-ray photoelectron spectroscopy instrument for studies of industrially relevant catalytic reactions at pressures of several bars

P Amann, D Degerman, MT Lee… - Review of Scientific …, 2019 - pubs.aip.org
We present a new high-pressure x-ray photoelectron spectroscopy system dedicated to
probing catalytic reactions under realistic conditions at pressures of multiple bars. The …

From MAX Phase Carbides to Nitrides: Synthesis of V2GaC, V2GaN, and the Carbonitride V2GaC1–xNx

N Kubitza, A Reitz, AM Zieschang, H Pazniak… - Inorganic …, 2022 - ACS Publications
The research in MAX phases is mainly concentrated on the investigation of carbides rather
than nitrides (currently> 150 carbides and only< 15 nitrides) that are predominantly …

From antiferromagnetic and hidden order to Pauli paramagnetism in UM2Si2 compounds with 5f electron duality

A Amorese, M Sundermann… - Proceedings of the …, 2020 - National Acad Sciences
Using inelastic X-ray scattering beyond the dipole limit and hard X-ray photoelectron
spectroscopy we establish the dual nature of the U 5 f electrons in UM 2 S i 2 (M= Pd, Ni, Ru …

Magnetoelectric Coupling at the Ni/Hf0.5Zr0.5O2 Interface

A Dmitriyeva, V Mikheev, S Zarubin, A Chouprik… - ACS …, 2021 - ACS Publications
Composite multiferroics containing ferroelectric and ferromagnetic components often have
much larger magnetoelectric coupling compared to their single-phase counterparts. Doped …