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Titolo:
Field angle dependence of the remanent magnetization of multifilamentary Ag/(Pb,Bi)(2)Sr2Ca2Cu3O10+x tapes: Microstructure and current carrying capability
Autore:
Hussennether, V; Waldmann, O; Muller, P; Leghissa, M; Neumuller, HW;
Indirizzi:
Univ Erlangen Nurnberg, Inst Phys 3, D-91058 Erlangen, Germany Univ Erlangen Nurnberg Erlangen Germany D-91058 -91058 Erlangen, Germany Siemens AG, Corp Technol, D-91050 Erlangen, Germany Siemens AG Erlangen Germany D-91050 p Technol, D-91050 Erlangen, Germany
Titolo Testata:
PHYSICAL REVIEW B
fascicolo: 14, volume: 62, anno: 2000,
pagine: 9808 - 9817
SICI:
0163-1829(20001001)62:14<9808:FADOTR>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
CRITICAL-CURRENT DENSITY; BI-2223 TAPES; TRANSPORT CURRENT; GRAIN-BOUNDARIES; SUPERCONDUCTORS; BICRYSTALS; TRANSITION; HIGH-J(C); DEFECTS; MODEL;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
--discip_EC--
Citazioni:
33
Recensione:
Indirizzi per estratti:
Indirizzo: Hussennether, V Univ Erlangen Nurnberg, Inst Phys 3, D-91058 Erlangen, Germany Univ Erlangen Nurnberg Erlangen Germany D-91058 Germany
Citazione:
V. Hussennether et al., "Field angle dependence of the remanent magnetization of multifilamentary Ag/(Pb,Bi)(2)Sr2Ca2Cu3O10+x tapes: Microstructure and current carrying capability", PHYS REV B, 62(14), 2000, pp. 9808-9817

Abstract

We measured the dependence of the remanent magnetization of multifilamentary (Pb,Bi)(2)Sr2Ca2Cu3O10+x tapes on the angle between tape surface and magnetic field. Remanent magnetization allows one to separate the intergrain and intragrain contributions. The angle dependence of the intergrain magnetization is accurately described by a thin strip model. The intragrain magnetization can be reproduced by regarding the microstructure as an agglomeration of plateletlike grains. The orientation of the grains is described by a Gaussian distribution. Based on this model we develop a comparatively simple method to determine the mean grain alignment within the tapes. A comparison of the grain alignment inferred from magnetization as well as transport measurements provides direct evidence for the presence of a critical angle for Bi-2223 grain boundaries.

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Documento generato il 24/09/20 alle ore 23:49:17