Metamorphoses of electronic structure of FeSe-based superconductors

YV Pustovit, AA Kordyuk - Low Temperature Physics, 2016 - pubs.aip.org
The electronic structure of FeSe, the simplest iron-based superconductor (Fe-SC), conceals
a potential of dramatic increase of T c that realizes under pressure or in a single layer film …

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 …

Hole-doping-induced melting of spin-state ordering in

P Miao, X Lin, S Lee, Y Ishikawa, S Torii, M Yonemura… - Physical Review B, 2017 - APS
The layered perovskite cobaltite R BaCo 2 O 5.5 (R: rare-earth elements) exhibits an abrupt
temperature-induced metal-insulator transition (MIT) that has been attributed to spin-state …

Study of TAFF and vortex phase of FexTe0. 60Se0. 40 (0.970≤ x≤ 1.030) single crystals

R Kumar, GD Varma - Physica Scripta, 2020 - iopscience.iop.org
Single crystalline samples with starting compositions Fe x Te 0.60 Se 0.40 (x= 0.970, 0.985,
1, 1.015 and 1.030) have been grown using the self-flux method to study the effect of Fe …

A magnetically controllable metastable LiSeHFeO isomer: an ab-initio investigation from bulk to film

Q Feng - Journal of Materials Science, 2021 - Springer
LiOHFeSe is a layered material that has been extensively investigated for its magnetic states
and superconductivity. In this work, an isomer of LiOHFeSe containing FeO and LiSeH …

Enhancement of superconductivity in the sintered FeSe0. 5Te0. 5 bulks with proper amount of Sn addition

N Chen, Y Liu, Z Ma, H Li, MS Al Hossain - Journal of Alloys and …, 2015 - Elsevier
Abstract Sn added bulk FeSe 0.5 Te 0.5 samples are synthesized through two-step solid
state reaction route. It is found that Sn addition can significantly enhance the transformation …

Interrelation of superconductivity and magnetism in FeSe1− xTex compounds. Pressure effects

AS Panfilov, VA Pashchenko, GE Grechnev… - Low temperature …, 2014 - pubs.aip.org
The effect of isotropic pressures P up to 5 kbar on the superconducting transition
temperature T c of the FeSe 1− x Te x system (x= 0, 0.85, 0.88, 0.90) is studied. For the first …

[HTML][HTML] Influence of the fluoride atoms doping on the FeSe superconductor

AD Bortolozo, AD Gueiros, LMS Alves… - 2012 - scirp.org
It is reported the influence of the interstitial atoms doping on the FeSe superconductor.
Polycrystalline samples with FeSeFx and FeSeBx nominal compositions were prepared by …

Electronic structure and magnetic properties of FeTe, BiFeO3, SrFe12O19 and SrCoTiFe10O19 compounds

AA Lyogenkaya, GE Grechnev, OV Kotlyar… - Ukrainian journal of …, 2016 - irbis-nbuv.gov.ua
The electronic energy structures and magnetic properties of iron-based compounds with
group VI elements (FeTe, BiFeO3, SrFe12O19 and SrCoTiFe10O19) are studied using the …

Interplay of superconductivity and magnetism in FeSe1-xTex compounds. Pressure effects

AS Panfilov, VA Pashchenko, GE Grechnev… - Fizika Nizkikh …, 2014 - inis.iaea.org
[en] The influence of uniform pressures P up to 5 kbar on the superconducting transition
temperature T c was studied for the FeSe 1-x Te x (x= 0, 0.85, 0.88, and 0.90) system. For …