UNSPECIFIED (1994) MAGNETIC MEASUREMENTS ON TL-2212 AND BI-2212 SINGLE-CRYSTALS - A COMPARATIVE-STUDY. In: 20th International Conference on Low Temperature Physics, EUGENE, OR, AUG 04-11, 1993. Published in: PHYSICA B, 194 (Part 2). pp. 1885-1886. ISSN 0921-4526.

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Abstract

We have compared the magnetic behaviour of two identicaly shaped single crystals, Tl2Ba2CaCu2O8 and Bi2Sr2CaCu2O8. The critical current density is found to decrease more rapidly with temperature in Bi-2212 although it is the highest in this material at low temperatures (T < 20K). I-V characteristic curves have been obtained from measurements of magnetic sweep rate dependencies of the hysteresis loops. We have found that the characteristic temperature at which flux motion becomes important is significantly higher in Tl-2212 than in Bi-2212. Hence the Tl-2212 has a larger effective pinning.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICA B
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0921-4526
Official Date:	February 1994
Dates:	Date Event February 1994 UNSPECIFIED
Volume:	194
Number:	Part 2
Number of Pages:	2
Page Range:	pp. 1885-1886
Publication Status:	Published
Title of Event:	20th International Conference on Low Temperature Physics
Location of Event:	EUGENE, OR
Date(s) of Event:	AUG 04-11, 1993

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