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Titolo:
Size dependence and mesoscopic effect of YBa2Cu3O7-delta/La0.67Sr0.33MnO3 junctions
Autore:
Kashiwaya, H; Sawa, A; Kashiwaya, S; Yamasaki, H; Koyanagi, A; Kurosawa, I; Tanaka, Y; Iguchi, I;
Indirizzi:
Japan Womens Univ, Bunkyo Ku, Tokyo 1128681, Japan Japan Womens Univ Tokyo Japan 1128681 v, Bunkyo Ku, Tokyo 1128681, Japan Electrotech Lab, Tsukuba, Ibaraki 3058568, Japan Electrotech Lab Tsukuba Ibaraki Japan 3058568 uba, Ibaraki 3058568, Japan JST, CREST, Tsukuba, Ibaraki 3058568, Japan JST Tsukuba Ibaraki Japan 3058568 CREST, Tsukuba, Ibaraki 3058568, Japan Nagoya Univ, Chikusa Ku, Nagoya, Aichi 4648601, Japan Nagoya Univ Nagoya Aichi Japan 4648601 a Ku, Nagoya, Aichi 4648601, Japan JST, CREST, Chikusa Ku, Nagoya, Aichi 4648601, Japan JST Nagoya Aichi Japan 4648601 , Chikusa Ku, Nagoya, Aichi 4648601, Japan Tokyo Inst Technol, Meguro Ku, Tokyo 1528551, Japan Tokyo Inst Technol Tokyo Japan 1528551 , Meguro Ku, Tokyo 1528551, Japan JST, CREST, Meguro Ku, Tokyo 1528551, Japan JST Tokyo Japan 1528551JST, CREST, Meguro Ku, Tokyo 1528551, Japan
Titolo Testata:
PHYSICA C
, volume: 357, anno: 2001,
parte:, 2
pagine: 1610 - 1613
SICI:
0921-4534(200108)357:<1610:SDAMEO>2.0.ZU;2-U
Fonte:
ISI
Lingua:
ENG
Soggetto:
TRANSPORT; SUPERCONDUCTORS; MICROJUNCTIONS;
Keywords:
zero-bias conductance peak; tunnel junction; mesoscopic effect; YBCO;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
12
Recensione:
Indirizzi per estratti:
Indirizzo: Kashiwaya, H Japan Womens Univ, Bunkyo Ku, 2-8-1 Mejirodai, Tokyo 1128681,Japan Japan Womens Univ 2-8-1 Mejirodai Tokyo Japan 1128681 Japan
Citazione:
H. Kashiwaya et al., "Size dependence and mesoscopic effect of YBa2Cu3O7-delta/La0.67Sr0.33MnO3 junctions", PHYSICA C, 357, 2001, pp. 1610-1613

Abstract

The size dependence of transport properties is studied in YBa2Cu3O7-delta/La0.67Sr0.33MnO3 (YBCO/LSMO) junctions. When the junction size is 40 x 30 mum(2), a large zero-bias conductance peak originated from d-wave pairing symmetry has clearly been observed. However, as the junction size becomes smaller (15 x 15 mum(2)), the conductance spectra are drastically changed. Thelarge peak becomes broader, and a small zero-bias peak with a pair of dipswhose energy levels are symmetric with respect to zero-bias appears only below 6 K. The features peculiar to the small junction reflect the presence of the phase coherent transport due to the mesoscopic size of effective junction area. (C) 2001 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 13/07/20 alle ore 14:25:10