Twin Domain Fragmentation in YBa2Cu3 O7-δ Under Electron Irradiation

Chin. Phys. Lett.

1991, Vol. 8

Issue (10): 544-547 DOI:

Original Articles

Twin Domain Fragmentation in YBa₂Cu₃ O_7-δ Under Electron Irradiation

SHI Tiansheng;WANG Geya;ZHU Jie;CHEN Yixing;ZHANG Jihua

Shanghai Institute of Metallurgy, Academia Sinica, Shanghai 200050

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SHI Tiansheng, WANG Geya, ZHU Jie et al 1991 Chin. Phys. Lett. 8 544-547

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Abstract Detwinning and retwinning processes in the orthorhombic YBa₂Cu₃ O_7-δ have been directly observed under appropriate electron irradiation by transmission electron microscope. These processes can be repeated many times and are accompanied by twin domain fragmentation and appreciable increase of twin interface density, which is a potential pinning center in YBa₂Cu₃ O_7-δ.The meaning of this effect in raising J_c of the material YBa₂Cu₃ O_7-δ is suggested and discussed.

Keywords: 74.60.Mj 74.70.Vy

Published: 01 October 1991

PACS:	74.60.Mj
	74.70.Vy

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https://cpl.iphy.ac.cn/ OR https://cpl.iphy.ac.cn/Y1991/V8/I10/0544

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	SHI Tiansheng
	WANG Geya
	ZHU Jie
	CHEN Yixing
	ZHANG Jihua

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