Lower critical field, anisotropy, and two-gap features of LiFeAs

K. Sasmal; B. Lv; Z. Tang; F. Y. Wei; Y. Y. Xue; A. M. Guloy; C. W. Chu

doi:10.1103/PhysRevB.81.144512

Lower critical field, anisotropy, and two-gap features of LiFeAs

K. Sasmal, B. Lv, Z. Tang, F. Y. Wei, Y. Y. Xue, A. M. Guloy, C. W. Chu

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摘要

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.

原文	English
文章編號	144512
期刊	Physical Review B - Condensed Matter and Materials Physics
卷	81
發行號	14
DOIs	https://doi.org/10.1103/PhysRevB.81.144512
出版狀態	Published - 2010 4月 13

All Science Journal Classification (ASJC) codes

電子、光磁材料
凝聚態物理學

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10.1103/PhysRevB.81.144512

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AU - Guloy, A. M.

AU - Chu, C. W.

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Lower critical field, anisotropy, and two-gap features of LiFeAs

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