Electrochemical Synthesis of Iron-Based Superconductor FeSe Films

被引：21

作者：

Demura, Satoshi ^{[1
,2
,3
]}

Ozaki, Toshinori ^{[1
,3
]}

Okazaki, Hiroyuki ^{[1
,3
]}

Mizuguchi, Yoshikazu ^{[1
,3
,4
]}

Kawasaki, Yasuna ^{[1
,2
,3
]}

Deguchi, Keita ^{[1
,2
,3
]}

Watanabe, Tohru ^{[1
,2
,3
]}

Hara, Hiroshi ^{[1
]}

Yamaguchi, Takahide ^{[1
,3
]}

Takeya, Hiroyuki ^{[1
,3
]}

Takano, Yoshihiko ^{[1
,2
,3
]}

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

[2] Univ Tsukuba, Grad Sch Pure & Appl Sci, Tsukuba, Ibaraki 3058577, Japan

[3] Japan Sci & Technol Agcy Transformat Res Project, Tsukuba, Ibaraki 3050047, Japan

[4] Tokyo Metropolitan Univ, Grad Sch Sci & Engn, Hachioji, Tokyo 1920397, Japan

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2012年 / 81卷 / 04期

关键词：

superconductivity; iron based superconductivity; electrochemical deposition; FeSe; iron chalcogenide; thin film;

D O I：

10.1143/JPSJ.81.043702

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Superconducting FeSe films were successfully fabricated using electrochemical synthesis methods. The composition ratio of Fe and Se was controlled by electric potential and pH value. We found that the FeSe film deposited at an electric potential of -1:75V vs Ag/AgCl at a pH value of 2.3 exhibits a superconducting transition at 3.5 K. The electrochemical synthesis technique that we have developed will offer many advantages for applications.

引用

页数：3

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