Lattice expansion in EuBa2Cu3Oy irradiated with energetic ions

被引：14

作者：

Ishikawa, N

Iwase, A

Chimi, Y

Maeta, H

Tsuru, K

Michikami, O

机构：

[1] JAPAN ATOM ENERGY RES INST, DEPT MAT SCI & ENGN, TOKAI, IBARAKI 31911, JAPAN

[2] NIPPON TELEGRAPH & TEL PUBL CORP, INTERDISCIPLINARY RES LABS, ELECTRON DEVICES LAB, TOKAI, IBARAKI 31911, JAPAN

[3] IWATE UNIV, FAC ENGN, MORIOKA, IWATE 020, JAPAN

来源：

PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS | 1996年 / 259卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(96)00022-6

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We report an irradiation effect on the c-axis lattice parameter in EuBa2Cu3Oy oxide superconductors when irradiated with ions of energy ranging from 0.85 to 200 MeV. For the irradiation with low energy (0.85-2 MeV) ions, the defect production and the resultant c-axis lattice expansion were dominated by elastic collisions. On the other hand, for irradiation with high energy (120-200 MeV) ions, the change in the c-axis lattice parameter was found to be much greater than expected from the elastic displacement of target atoms. For high energy ion irradiation we could observe an excessive increase of the c-axis lattice parameter reflecting additional production of defects which can be attributed to the electronic excitation. The large increase in the c-axis lattice parameter due to high energy ion irradiation should be taken into account for the study on the interaction between vortices and irradiation-induced defects.

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页码：54 / 60

页数：7

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