期刊
PHYSICAL REVIEW B
卷 81, 期 14, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.81.144512
关键词
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资金
- U.S. Air Force Office of Scientific Research
- T. L. L. Temple Foundation
- John J. and Rebecca Moores Endowment
- State of Texas through the Texas Center for Superconductivity at the University of Houston
- U.S. Department of Energy [DE-AC03-76SF00098]
- NSF [CHE-0616805]
- R.A. Welch Foundation
The magnetic properties of LiFeAs, as single crystalline and polycrystalline samples, were investigated. The lower critical field deduced from the vortex penetration of two single crystals appears to be almost isotropic with a temperature dependence closer to that of two-gap superconductors. The parameters extracted from the reversible magnetizations of sintered polycrystalline samples are in good agreement with those from the single-crystal data.
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