New Layered Fluorosulfide SrFBiS2

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• 作者：Hechang Lei ; Kefeng Wang ; Milinda Abeykoon ; Emil S. Bozin ; Cedomir Petrovic
• 刊名：Inorganic Chemistry
• 出版年：2013
• 出版时间：September 16, 2013
• 年：2013
• 卷：52
• 期：18
• 页码：10685-10689
• 全文大小：339K
• 年卷期：v.52,no.18(September 16, 2013)
• ISSN：1520-510X

文摘

We have synthesized a new layered BiS₂-based compound, SrFBiS₂. This compound has a similar structure to LaOBiS₂. 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 a superconductor with F doping. Therefore, SrFBiS₂ may be a parent compound of new superconductors.