Journal
APPLIED PHYSICS LETTERS
Volume 94, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.3058720
Keywords
coherence length; crystal structure; iron compounds; superconducting critical field; superconducting materials; superconducting transition temperature; tellurium compounds
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Funding
- Scientific Research (KAKENHI)
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We synthesized a superconducting system of FeTe1-xSx with a PbO-type structure. It has the simplest crystal structure among iron-based superconductors. The superconducting transition temperature is about 10 K when x is 0.2. The upper critical field B-c2(0) was estimated to be 70 T. The coherent length was calculated to be 2.2 nm. Since FeTe1-xSx is composed of nontoxic elements, this material is a candidate for applications that will further advance research on iron-based superconductors.
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