Effect of proton irradiation on the fluctuation-induced magnetoconductivity of FeSe1-xTex thin films

被引：11

作者：

Ahmad, D. ^{[1
,2
]}

Choi, W. J. ^{[1
]}

Seo, Y. I. ^{[1
]}

Seo, Sehun ^{[3
]}

Lee, Sanghan ^{[3
]}

Park, Tuson ^{[2
]}

Mosqueira, J. ^{[4
]}

Gu, Genda ^{[5
]}

Kwon, Yong Seung ^{[1
]}

机构：

[1] Daegu Gyeongbuk Inst Sci & Technol, Dept Emerging Mat Sci, Daegu, South Korea

[2] Sungkyunkwan Univ, Creat Res Ctr Quantum Mat & Superconduct, Suwon, South Korea

[3] Gwangju Inst Sci & Technol, Sch Mat Sci & Engn, Gwangju, South Korea

[4] Univ Santiago de Compostela, LBTS, Dept Fis Particulas, E-15782 Santiago De Compostela, Spain

[5] Brookhaven Natl Lab, Dept Condensed Matter Phys & Mat Sci, Upton, NY 11973 USA

来源：

NEW JOURNAL OF PHYSICS | 2017年 / 19卷

关键词：

fluctuations; magnetoconductivity; lattice strain; FeSe1-xTex thin film; SUPERCONDUCTIVITY;

D O I：

10.1088/1367-2630/aa76ad

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The influence of proton irradiation on the fluctuation-induced magnetoconductivity of high quality FeSe1-xTex (x = 0.4, 0.55) (FST) thin films has been investigated. The measurements were performed with magnetic fields up to 13 T applied in the two main crystal directions. The results were interpreted in terms of the Ginzburg-Landau approach for three-dimensional materials under a total-energy cutoff. The analysis shows that properly-tuned proton irradiation does not appreciably affect fundamental superconducting parameters like the T-c value, the upper critical fields or the anisotropy. This has important consequences from the point of view of possible applications due to the enhancement of vortex pinning induced by irradiation.

引用

页数：9

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