UNSPECIFIED (1999) Peculiar behaviour of the spin susceptibility in Bi2Sr2Ca2Cu3O10. In: 1st Euroconference on Anomalous Complex Superconductors, SEP 26-OCT 03, 1998, AGHIA PELAGIA, GREECE.

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Abstract

The temperature dependence of the Cu-63 Nh LR shifts and spin lattice relaxation rates was measured for a (Bi0.93Pb0.07)(2.1)Sr2Ca2Cu3O10 sample, in a powder and a magnetically aligned form. In the last case, two resonance lines were observed from Cu in the inner and the outer Cu-O planes. The inner plane Cu, which is in a symmetric local environment, has a small quadrupolar frequency nu(Q) = 5.4 MHz (nu(Q) = e(2)qQ/2h), while the outer plane one has nu(Q) > 15 MHz. Comparison of the Cu-63 (perpendicular to) with the O-17(iso) shifts from the same Cu-O planes shows that they are proportional to the same spin susceptibility. The temperature dependence of (T1,(u)T)(-1) fur the unaligned sample (inner plane resonance) shows a peak at 160 K, while (T1c,(o)T)(-1) for the outer Cu-O planes peaks at 95 K. Strong antiferromagnetic fluctuations of the electron spins exist in the inner Cu-O planes. (C) 1999 Elsevier Science B.V. All rights reserved.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Journal or Publication Title:	PHYSICA C-SUPERCONDUCTIVITY AND ITS APPLICATIONS
Publisher:	ELSEVIER SCIENCE BV
ISSN:	0921-4534
Date:	May 1999
Volume:	318
Number of Pages:	4
Page Range:	pp. 565-568
Publication Status:	Published
Title of Event:	1st Euroconference on Anomalous Complex Superconductors
Location of Event:	AGHIA PELAGIA, GREECE
Date(s) of Event:	SEP 26-OCT 03, 1998
URI:	http://wrap.warwick.ac.uk/id/eprint/14404

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