Highly c-oriented RuSr2(Eu1.5Ce0.5)Cu2O10-δ thin film growth by pulsed laser deposition and subsequent post-annealing

被引：7
|
作者：
Lu, WQ
Yamamoto, Y
Ohkubo, I
Petrykin, VV
Kakihana, M
Matsumoto, Y
Koinuma, H
机构：
[1] Tokyo Inst Technol, Mat & Struct Lab, Midori Ku, Yokohama, Kanagawa 2268503, Japan
[2] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050044, Japan
[3] Tokyo Inst Technol, Frontier Collaborat Res Ctr, Yokohama, Kanagawa 2268503, Japan
来源：
PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 2004年 / 403卷 / 1-2期
关键词：
Ru-1222; film; c-oriented; superconducting; ferromagnetic;
D O I：
10.1016/j.physc.2003.11.003
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
A RuSr2(Eu1.5Ce0.5)Cu2O10-delta (Ru-1222) sintered target was laser ablated into thin films on SrTiO3 (001) substrates at temperatures between room temperature and 800 degreesC. Although the as-deposited films did not exhibit Ru-1222 phase, the films deposited at temperatures between 600 and 780 degreesC were successfully crystallized and exhibited highly c-axis oriented Ru-1222 phase by the subsequent thermal treatment under appropriate conditions. The films grown at 740 degreesC and annealed at 1060 degreesC in 1 atm oxygen flow for 1 h showed a weak ferromagnetic behavior below 130 K and the onset of superconducting transition at 32.4 K. The coexistence of ferromagnetism and superconductivity was observed at temperatures below 32.4 K. (C) 2003 Elsevier B.V. All rights reserved.
引用
收藏
页码：21 / 24
页数：4
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