Irradiated damage in high-Tc superconductor

被引：6
|
作者：
Sasase, M [1 ]
Okayasu, S [1 ]
Kurata, H [1 ]
Hojou, K [1 ]
机构：
[1] Japan Atom Energy Res Inst, Dept Mat Sci, Solid State Phys Lab, Naka, Ibaraki 3191195, Japan
来源：
PHYSICA C | 2001年 / 357卷
关键词：
high energy heavy ion; ion-velocity; electronic stopping power; columnar defects;
D O I：
10.1016/S0921-4534(01)00304-5
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
The columnar defects produced by high-energy heavy ions in the high-T-c superconductor have been observed with transmission electron microscopy (TEM) in order to clarify the governing factors for columnar defects formations. The Bi2Sr2CaCu2O8 (Bi-2212) single crystals were irradiated by various ions (Au+, I+, Br+ and Ni+) in the energy range of 60-600 MeV with the fluence of 2.0 x 10(10) ions/cm(2) at the room temperature by using Tandem accelerator. From the results of TEM observation, we have found that the columnar defects formation depends not only on the electronic stopping power (S-c) but also on the ion-velocity. (C) 2001 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：497 / 500
页数：4
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