Interplay between lattice and spin states degree of freedom in the FeSe superconductor: Dynamic spin state instabilities

V Gnezdilov, YG Pashkevich, P Lemmens… - Physical Review B …, 2013 - APS
Polarized Raman-scattering spectra of superconducting, single-crystalline FeSe evidence
pronounced phonon anomalies with temperature reduction. A large (∼ 6.5%) hardening of …

Phase separation and phase transitions in undoped and Rh3+ doped iron pnictide CaFe2As2: a Raman scattering study

VP Gnezdilov, AY Glamazda, P Lemmens… - arXiv preprint arXiv …, 2023 - arxiv.org
Iron-pnictides Ca (Fe1-xRhx) 2As2 (x= 0, 0.035, and 0.19) were studied across the
tetragonal-orthorhombic and uncollapsed to collapsed tetragonal phase transitions using …

Magnetism in nanocrystalline SiC films

AV Semenov, VO Pashchenko, VF Khirnyi… - Physica E: Low …, 2015 - Elsevier
Magnetism been studied in two series of nanocrystalline SiC films obtained by the method of
direct deposition of ions with an energy of~ 100 eV at temperatures 1150° С and 1200° С …

Phase separation in iron chalcogenide superconductor Rb0. 8+ xFe1. 6+ ySe2 as seen by Raman light scattering and band structure calculations

Y Pashkevich, V Gnezdilov, P Lemmens… - Low Temperature …, 2016 - pubs.aip.org
We report Raman light scattering in the phase separated superconducting single crystal Rb
0.77 Fe 1.61 Se 2 with T c= 32 K over a wide temperature region 3–500 K. The observed …

Phase separation in iron chalcogenide superconductor Rb₀. ₈₊ xFe₁. ₆₊ ySe₂ as seen by Raman light scattering and band structure calculations

Y Pashkevich, V Gnezdilov, P Lemmens… - Физика низких …, 2016 - dspace.nbuv.gov.ua
We report Raman light scattering in the phase separated superconducting single crystal
Rb₀. ₇₇Fe₁. ₆₁Se₂ with Tc= 32 K over a wide temperature region 3–500 K. The …