Material Development and Physical Properties of BiS2-Based Layered Compounds

Y Mizuguchi - Journal of the Physical Society of Japan, 2019 - journals.jps.jp
In 2012, we discovered superconductivity in Bi4O4S3 and LaO1− x F x BiS2, whose crystal
structures are composed of alternate stacks of a BiS2-type conduction layer and a blocking …

Superconductivity in layered BiS2-based compounds

D Yazici, I Jeon, BD White, MB Maple - Physica C: Superconductivity and …, 2015 - Elsevier
A novel family of superconductors based on BiS 2-based superconducting layers were
discovered in 2012. In short order, other BiS 2-based superconductors with the same or …

Review of superconductivity in BiS2-based layered materials

Y Mizuguchi - Journal of Physics and Chemistry of Solids, 2015 - Elsevier
In 2012, a new layered superconductor where BiS 2 layer is the superconducting layer was
discovered. So far, seven types of BiS 2-based superconductors and two related …

Anomalous Eu Valence State and Superconductivity in Undoped Eu3Bi2S4F4

HF Zhai, P Zhang, SQ Wu, CY He… - Journal of the …, 2014 - ACS Publications
We have synthesized a novel europium bismuth sulfofluoride, Eu3Bi2S4F4, by solid-state
reactions in sealed evacuated quartz ampules. The compound crystallizes in a tetragonal …

Improvement of superconducting properties by high mixing entropy at blocking layers in BiS2-based superconductor REO0. 5F0. 5BiS2

R Sogabe, Y Goto, T Abe, C Moriyoshi… - Solid State …, 2019 - Elsevier
To investigate the interlayer interaction in the recently synthesized high-entropy-alloy-type
(HEA-type) REO 0.5 F 0.5 BiS 2 superconductors (RE: rare earth), we have systematically …

Appearance of bulk superconductivity under hydrostatic pressure in Sr0. 5RE0. 5FBiS2 (RE= Ce, Nd, Pr, and Sm) compounds

R Jha, B Tiwari, VPS Awana - Journal of Applied Physics, 2015 - pubs.aip.org
We report the appearance of superconductivity under hydrostatic pressure (0–2.5 GPa) in Sr
0.5 RE 0.5 FBiS 2 with RE= Ce, Nd, Pr, and Sm. The studied compounds, being synthesized …

Observation of anomalous temperature dependence of spectrum on small Fermi surfaces in a -based superconductor

LK Zeng, XB Wang, J Ma, P Richard, SM Nie… - Physical Review B, 2014 - APS
We have performed an angle-resolved photoemission spectroscopy study of the BiS 2-
based superconductor Nd (O, F) BiS 2. Two small electronlike Fermi surfaces around X (π …

Superconductivity in Layered Oxychalcogenide La2O2Bi3AgS6

R Jha, Y Goto, R Higashinaka, TD Matsuda… - Journal of the Physical …, 2018 - journals.jps.jp
We report the superconductivity in layered oxychalcogenide La2O2Bi3AgS6 compound. The
La2O2Bi3AgS6 compound has been reported recently by our group, which has a tetragonal …

Unusual Mixed Valence of Eu in Two MaterialsEuSr2Bi2S4F4 and Eu2SrBi2S4F4: Mössbauer and X-ray Photoemission Spectroscopy Investigations

Z Haque, GS Thakur, R Parthasarathy… - Inorganic …, 2017 - ACS Publications
We have synthesized two new Eu-based compounds, EuSr2Bi2S4F4 and Eu2SrBi2S4F4,
which are derivatives of Eu3Bi2S4F4, an intrinsic superconductor with T c= 1.5 K. They …

Effect of hydrostatic pressures on the superconductivity of new BiS2 based REO0. 5F0. 5BiS2 (RE= La, Pr and Nd) superconductors

R Jha, H Kishan, VPS Awana - Journal of Physics and Chemistry of Solids, 2015 - Elsevier
We study the effect of hydrostatic pressure on superconductivity of new BiS 2 based layered
REO 0.5 F 0.5 BiS 2 (RE= La, Pr, and Nd) compounds through the measurements of dc …