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Titolo:
STUDY OF PINNING ENERGIES IN SILVER-SHEATHED BISMUTH SUPERCONDUCTING TAPE BY 90-DEGREES ROTATING SAMPLE MAGNETIC MEASUREMENTS
Autore:
LI GH; YU QS; SUN YX; YAN SS; YE B; ZHOU Y; ZENG R;
Indirizzi:
BEIJING UNIV,DEPT PHYS BEIJING 100871 PEOPLES R CHINA GEN RES INST NON-FERROUS MET BEIJING 100088 PEOPLES R CHINA
Titolo Testata:
Journal of applied physics
fascicolo: 11, volume: 73, anno: 1993,
pagine: 7581 - 7584
SICI:
0021-8979(1993)73:11<7581:SOPEIS>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
CRITICAL CURRENT-DENSITY; OXIDE SUPERCONDUCTORS; FLUX CREEP; ANISOTROPY; FIELD;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
16
Recensione:
Indirizzi per estratti:
Citazione:
G.H. Li et al., "STUDY OF PINNING ENERGIES IN SILVER-SHEATHED BISMUTH SUPERCONDUCTING TAPE BY 90-DEGREES ROTATING SAMPLE MAGNETIC MEASUREMENTS", Journal of applied physics, 73(11), 1993, pp. 7581-7584

Abstract

Flux pinning energies and their distributions at 77 K in silver-sheathed and highly c-axis-oriented Bi2223 superconducting tape with a nominal composition of Bi1.8Pb0.4Sr2Ca2.2Cu3Oy have been determined by 90-degrees rotating sample magnetic measurements. These measurements are done in three different configurations in which the relative orientations between the trapped flux and the depinning fields vary. Three peaks, located at 0.09-0.1 eV, 0.3-0.6 eV, and 1.4 eV, respectively, are found in the distribution curves. The relation between the peaks and pinning mechanisms as pinning of a single kink, kink formation, and intrinsic pinning is discussed.

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Documento generato il 24/01/20 alle ore 12:26:00