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Titolo:
C-AXIS AC SUSCEPTIBILITY IN HIGH-T-C SUPERCONDUCTORS
Autore:
WALDMANN O; LICHTSCHLAG G; TALALAEVSKII A; KLEINER R; MULLER P; STEINMEYER F; GERHAUSER W;
Indirizzi:
UNIV ERLANGEN NURNBERG,INST PHYS 3 D-91058 ERLANGEN GERMANY SIEMENS AG,ZENT FORSCH & ENTWICKLUNG D-91058 ERLANGEN GERMANY SIEMENS AG,ABT OVERB 31 D-81379 MUNICH GERMANY
Titolo Testata:
Physical review. B, Condensed matter
fascicolo: 21, volume: 54, anno: 1996,
pagine: 15478 - 15482
SICI:
0163-1829(1996)54:21<15478:CASIHS>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
HIGH-TEMPERATURE SUPERCONDUCTORS; LOCK-IN TRANSITION; LAYERED SUPERCONDUCTORS; SINGLE-CRYSTALS; II SUPERCONDUCTORS; FIELD; MAGNETIZATION; VORTICES; LOSSES; LINES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
28
Recensione:
Indirizzi per estratti:
Citazione:
O. Waldmann et al., "C-AXIS AC SUSCEPTIBILITY IN HIGH-T-C SUPERCONDUCTORS", Physical review. B, Condensed matter, 54(21), 1996, pp. 15478-15482

Abstract

We have investigated the angle and magnetic field dependence of the ac susceptibility in Bi2Sr2CaCu2O8 and YBa2Cu3O7 single crystals at lowexternal fields. The ac field was applied perpendicular to the CuO2 planes. The first and third harmonies of the ac susceptibility exhibit remarkably sharp features when the dc field component perpendicular tothe CuO2 planes passes a threshold field H-th. H-th is strongly temperature dependent, but is independent of the parallel field component. We purpose a simple model which excellently explains the data. Within this model the peak structures are related to the irreversibility line. We discuss the implications of the model for the interpretation of the ac susceptibility.

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Documento generato il 25/09/20 alle ore 00:31:30