Transport and magnetic properties of Co-doped BaFe2As2 epitaxial thin films grown on MgO substrate

被引：17

作者：

Mohan, Shyam ^{[1
]}

Taen, Toshihiro ^{[1
]}

Yagyuda, Hidenori ^{[1
]}

Nakajima, Yasuyuki ^{[1
,2
]}

Tamegai, Tsuyoshi ^{[1
,2
]}

Katase, Takayoshi ^{[3
]}

Hiramatsu, Hidenori ^{[4
]}

Hosono, Hideo ^{[3
,4
]}

机构：

[1] Univ Tokyo, Dept Appl Phys, Bunkyo Ku, Tokyo 1138656, Japan

[2] Transformat Research Project Iron Pnictides TRIP, JST, Bunkyo Ku, Tokyo 1138656, Japan

[3] Tokyo Inst Technol, Mat & Struct Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan

[4] Tokyo Inst Technol, Frontier Res Ctr, Midori Ku, Yokohama, Kanagawa 2268503, Japan

来源：

SUPERCONDUCTOR SCIENCE & TECHNOLOGY | 2010年 / 23卷 / 10期

基金：

日本学术振兴会;

关键词：

Thin films;

D O I：

10.1088/0953-2048/23/10/105016

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report resistivity, Hall coefficient, current-voltage characteristics and magneto-optical imaging measurements of epitaxial Co-doped BaFe2As2 thin films deposited on an MgO(001) substrate. The Hall resistivity of the films has a substantial contribution arising from the anomalous Hall effect of ferromagnetic components. The critical current density (J(c)) of the films is similar to 2 MA cm(-2) at low temperatures. Differential magneto-optical images of the remnant state give similar J(c) values and also exhibit the presence of extended defects in the film.

引用

页数：5

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