Global phase diagram of the magnetic field-induced organic superconductors λ-(BETS)2FexGa1-xCl4

被引：49

作者：

Uji, S ^{[1
]}

Terashima, T

Terakura, C

Yakabe, T

Terai, Y

Yasuzuka, S

Imanaka, Y

Tokumoto, M

Kobayash, A

Saka, F

Tanaka, H

Kobayashi, H

Balicas, L

Brooks, JS

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050003, Japan

[2] Natl Inst Adv Ind Sci & Technol, Tsukuba, Ibaraki 3058568, Japan

[3] Univ Tokyo, Grad Sch Sci, Res Ctr Spectrochem, Bunkyo Ku, Tokyo 1130033, Japan

[4] Univ Tokyo, Inst Solid State Phys, Chiba 2778581, Japan

[5] Inst Mol Sci, Okazaki, Aichi 4448585, Japan

[6] Florida State Univ, Natl High Magnet Field Lab, Tallahassee, FL 32306 USA

来源：

JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN | 2003年 / 72卷 / 02期

关键词：

organic conductor; superconductivity; Jaccarino-Peter effect; high magnetic field;

D O I：

10.1143/JPSJ.72.369

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

Organic alloys lambda-(BETS)(2)FexGa1-xCl4 show superconductivity only under very high magnetic fields parallel to the conducting layer for x greater than or equal to 0.47. As x decreases, the field induced superconducting phase shifts towards lower fields and a striking field-induced insulator to superconductor transition is observed below 4T for x = 0.45. We show that the overall features of the global phase diagram are well understood in terms of Jaccarino-Peter compensation mechanism. These results provide a new road map for the future design of high magnetic field superconductors.

引用

页码：369 / 373

页数：5

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