E. A. Tereshina-Chitrova

Investigating the Uranium Electronic Structure in Pristine UTe₂ via HERFD-XANES and RIXS: A Comparative Analysis with Other p-Ligand Systems

Andre Rossberg, E. A. Tereshina-Chitrova

We propose to investigate the uranium chemical state in ultra-clean samples of the recently discovered unconventional superconductor UTe2 using high-energy resolution fluorescence detection X-ray absorption near edge spectroscopy (HERFD-XANES) and Resonant Inelastic X-ray Scattering (RIXS) at the uranium M₄ edge, comparing the …

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Electronic structure of UGe 2 ± x thin films from photoelectron spectroscopy

Sonu George Alex, Oleksandr Romanyuk, Ivan Zorilo, A. V. Andreev et autres

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Magnetic anisotropy and intermediate valence in CeCo 5 ferromagnet

A. B. Shick, E. A. Tereshina-Chitrova

The intermediate valence of Ce in CeCo 5 challenges standard density functional theory (DFT) and static DFT + U approaches, which fail to capture its magnetic properties. By combining DFT + U with exact diagonalization of the Anderson impurity model for the …

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Magnetic anisotropy and intermediate valence in CeCo$_5$ ferromagnet

A. B. Shick, E. A. Tereshina-Chitrova

Here are digital data for Figure 1Alexander B. Shick, Evgenia A. Tereshina-ChitrovaMagnetic anisotropy and intermediate valence in CeCo$_5$ ferromagnethttps://doi.org/10.1103/k5st-k138

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Magnetic anisotropy and intermediate valence in CeCo$_5$ ferromagnet

A. B. Shick, E. A. Tereshina-Chitrova

Here are digital data for Figure 1Alexander B. Shick, Evgenia A. Tereshina-ChitrovaMagnetic anisotropy and intermediate valence in CeCo$_5$ ferromagnethttps://doi.org/10.1103/k5st-k138

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Spin and orbital magnetism in UH2 thin films studied by X-ray magnetic circular dichroism

E. A. Tereshina-Chitrova, Mykhaylo Paukov, Oleksandra Koloskova, Amir Hen et autres

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Electronic Structure of UGe$_{2\pm x}$ Thin Films from Photoelectron Spectroscopy

Sonu George Alex, Oleksandr Romanyuk, Ivan Zorilo, Alexander Andreev et autres

Uranium digermanide UGe$_2$, the first ferromagnetic superconductor, represents a key composition in the U-Ge system dominated by U-5$f$ states. To examine the impact of controlled stoichiometric deviations on the electronic structure, UGe$_{2\pm x}$ thin films ($0 \le x \le 1$) were prepared …

High-field ultrasound study of elastic constants and possible magnetic symmetry transformations in UO 2

E. A. Tereshina-Chitrova, Leonid V. Pourovskii, Sergii Khmelevskyi, D. I. Gorbunov et autres

In this study, we probe the coupling between magnetism and lattice dynamics in ${\mathrm{UO}}_{2}$, a 3k antiferromagnet that undergoes magnetic ordering below its N\'eel temperature (${T}_{N}$) of 30.8 K. Ultrasound measurements provide insights into the interplay between the material's magnetic properties and …

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Strain‐driven Switching Between Antiferromagnetic States in Frustrated Antiferromagnet UO2 Probed by Exchange Bias Effect

E. A. Tereshina-Chitrova, Leonid V. Pourovskii, Sergii Khmelevskyi, Lukáš Horák et autres

Abstract Frustrated antiferromagnets offer a captivating platform to study the intricate relationship of magnetic interactions, geometric constraints, and emergent phenomena. By controlling spin orientations, these materials can be tailored for applications in spintronics and quantum information processing. The research focuses on the …

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Strain-driven switching between antiferromagnetic states in frustrated antiferromagnet UO2 probed by exchange bias effect

E. A. Tereshina-Chitrova, Leonid V. Pourovskii, Sergii Khmelevskyi, Lukáš Horák et autres

Frustrated antiferromagnets offer a captivating platform to study the intricate relationship of magnetic interactions, geometric constraints, and emergent phenomena. By controlling spin orientations, these materials can be tailored for applications in spintronics and quantum information processing. The research focuses on the interplay …

Structure of the normal state and origin of the Schottky anomaly in the correlated heavy-fermion superconductor U Te 2

Sergii Khmelevskyi, Leonid V. Pourovskii, E. A. Tereshina-Chitrova

The recently discovered $\mathrm{U}{\mathrm{Te}}_{2}$ superconductor is regarded as a heavy-fermion mixed-valence system with very peculiar properties within the normal and superconducting (SC) states. It shows no signs of magnetic order, but has a strong anisotropy of magnetic susceptibility and SC critical field. …

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Synthesis and in-situ XPS study of U-Te thin films

E. A. Tereshina-Chitrova, Michal Vališka, Frank Huber, T. Gouder

Motivated by the discovery of unconventional superconductivity in the UTe2 single crystals, we have studied formation and properties of U-Te thin films. The films were synthesized by dc sputtering. Separate U and Te targets were used: Te was evaporated simultaneously with plasma …

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