Strong-gravity effect on twinned Y $_{1}$ Ba $_{2}$ Cu $_{3}$ O $_{7-x}$ single crystal

Bagum, R.*; Okayasu, Satoru ; Iguchi, Yusuke*; Ono, Masao ; Mashimo, Tsutomu

Ultracentrifuge experiments were performed on the twinned Y $_{1}$ Ba $_{2}$ Cu $_{3}$ O $_{7-x}$ (Y123) single crystal at much lower temperatures than the melting point. Two layers structure with slightly different compositions was observed in the sample ultracentrifuged at 250 $^{circ}$ C (380,000 G), which might be due to the sedimentation of atoms. In the strong gravity layer, it was found that the Y123 phase disappeared, and unknown XRD peaks appeared. Decomposition occurred in the sample ultracentrifuged at 400 $^{circ}$ C.

Language	:	English
Journal	:	Defect and Diffusion Forum
Volume	:	289-292
Number	:
Pages	:	p.517 - 521
Publication Year/Month	:	2009/04
Meeting title	:	7th International Conference on Diffusion in Materials (DIMAT 2008)
Held date	:	2008/10
Location (city)	:	Lanzarote
Location (country)	:	Spain
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DOI for research data	:
Keywords	:	no keyword
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Article of JAEA R&D Review	:
Cooperating Institute	:	熊本大学

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Registration No. : BB20090762
JAEA Abstracts No. : 38000029
Paper Submission No. : 6611

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Strong-gravity effect on twinned YBaCuO single crystal

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