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New layered fluorosulfide SrFBiS2

By Hechang Lei, Kefeng Wang, Milinda Abeykoon, Emil S. Bozin and C. Petrovic

Abstract

We have synthesized a new layered BiS$_{2}$-based compound SrFBiS2. This compound has similar structure to BiS2. It is built up by stacking up SrF layers and NaCl-type BiS2 layers alternatively along the c axis. Electric transport measurement indicates that SrFBiS2 is a semiconductor. Thermal transport measurement shows that SrFBiS2 has a small thermal conductivity and large Seebeck coefficient. First principle calculations are in agreement with experimental results and show that SrFBiS2 is very similar to LaOBiS2 which becomes superconductor with F doping. Therefore, SrFBiS2 may be a parent compound of new superconductors.Comment: 6 pages, 4 figures, 1 tabl

Topics: Condensed Matter - Superconductivity, Condensed Matter - Materials Science
Year: 2013
DOI identifier: 10.1021/ic4018135
OAI identifier: oai:arXiv.org:1208.3189

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