期刊
JOURNAL OF PHYSICS-CONDENSED MATTER
卷 23, 期 45, 页码 -出版社
IOP PUBLISHING LTD
DOI: 10.1088/0953-8984/23/45/455703
关键词
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资金
- AFOSR-MURI [FA9550-09-1-0603]
- Ames Laboratory, US DOE [DE-AC02-07CH 11358]
- State of Iowa through Iowa State University
- Division of Materials Sciences and Engineering, Office of Basic Energy Sciences, US DOE
- National Science Foundation [DMR-0805335]
We present detailed thermodynamic and transport measurements on single crystals of the recently discovered binary intermetallic superconductor, SrSn4. We find this material to be a slightly anisotropic three-dimensional, strongly coupled, possibly multiband, superconductor. Hydrostatic pressure causes a decrease in the superconducting transition temperature at the rate of approximate to -0.068 K kbar(-1). Band structure calculations are consistent with experimental data on the Sommerfeld coefficient and upper superconducting critical field anisotropy, and suggest a complex, multi-sheet Fermi surface formed by four bands.
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