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Titolo:
EXPERIMENTAL-OBSERVATION OF QUANTUM CREEP IN HIGH-TC SUPERCONDUCTING YBCO-PRBCO SUPERLATTICES
Autore:
VANDALEN AJJ; GRIESSEN R; SCHNACK HG; TRISCONE JM; FISCHER O;
Indirizzi:
FREE UNIV AMSTERDAM,FAC PHYS & ASTRON,DE BOELELAAN 1081 1081 HV AMSTERDAM NETHERLANDS UNIV GENEVA,DEPT MATIERE CONDENSEE CH-1211 GENEVA SWITZERLAND
Titolo Testata:
Journal of alloys and compounds
fascicolo: 1-2, volume: 195, anno: 1993,
pagine: 447 - 450
SICI:
0925-8388(1993)195:1-2<447:EOQCIH>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
YBA2CU3O7/PRBA2CU3O7 SUPERLATTICES; YBA2CU3O7-DELTA; DISSIPATION; RELAXATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
18
Recensione:
Indirizzi per estratti:
Citazione:
A.J.J. Vandalen et al., "EXPERIMENTAL-OBSERVATION OF QUANTUM CREEP IN HIGH-TC SUPERCONDUCTING YBCO-PRBCO SUPERLATTICES", Journal of alloys and compounds, 195(1-2), 1993, pp. 447-450

Abstract

Measurements of the dynamical relaxation rate of the magnetic moment of YBCO/PrBCO multilayers with decoupled YBCO layers of 1.2, 2.4, 3.6,4.8 and 9.6 nm thickness have been carried out with a high sensitivity capacitance torque magnetometer. The relaxation at low temperature increases with decreasing YBCO layer thickness and reaches approximately 7% at 2 T in the thinnest sample. Deviations from thermally activated flux motion, due to thermally assisted vortex tunneling are observedat temperatures up to 8 K.

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Documento generato il 21/01/20 alle ore 00:49:25