Reduction of surface resistance of ErBa2Cu3O7-δ films by BaZrO3 nano-particle inclusion

被引：14
|
作者：
Mukaida, M [1 ]
Ito, M
Kita, R
Horii, S
Ichinose, A
Matsumoto, K
Yoshida, Y
Saito, A
Koike, K
Hirose, F
Ohshima, S
机构：
[1] Yamagata Univ, Yamagata 9928510, Japan
[2] Shizuoka Univ, Shizuoka 4308510, Japan
[3] Univ Tokyo, Bunkyo Ku, Tokyo 1138656, Japan
[4] Cent Res Inst Elect Power Ind, Kanagawa 2400196, Japan
[5] Kyoto Univ, Sakyo Ku, Kyoto 6068501, Japan
[6] Nagoya Univ, Chikusa Ku, Nagoya, Aichi 4648603, Japan
[7] Japan Sci & Technol Agcy, Saitama 3320012, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 2-LETTERS & EXPRESS LETTERS | 2004年 / 43卷 / 12B期
关键词：
ErBa2Cu3O7-delta; BaZrO3; nano-particles; surface resistance; pinning center;
D O I：
10.1143/JJAP.43.L1623
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Low surface resistance is achieved by introducing BaZrO3 nano-particles in high crystalline quality ErBa2Cu3O7-delta films. The surface resistance of a ErBa2Cu3O7-delta film with BaZrO3 nano-particles grown by pulsed laser deposition is 55% of that without BaZrO3 nano-particles near 65 K. This result suggests that the ErBa2Cu3O7-delta films with BaZrO3 nano-particles have potential as high power microwave emitting devices. A new direction is shown for reducing the surface resistance of superconducting films.
引用
收藏
页码：L1623 / L1625
页数：3
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