d-like symmetry of the order parameter and intrinsic Josephson effects in Bi2Sr2CaCu2O8+δ cross-whisker junctions -: art. no. 140513

被引：66

作者：

Takano, Y

Hatano, T

Fukuyo, A

Ishii, A

Ohmori, M

Arisawa, S

Togano, K

Tachiki, M

机构：

[1] Natl Inst Mat Sci, Tsukuba, Ibaraki 3050047, Japan

[2] Natl Res Inst Met, Tsukuba, Ibaraki 3050047, Japan

[3] Japan Sci & Technol Corp, CREST, Tsukuba, Ibaraki 3050047, Japan

[4] Sci Univ Tokyo, Fac Sci & Technol, Noda, Chiba 2788510, Japan

来源：

PHYSICAL REVIEW B | 2002年 / 65卷 / 14期

关键词：

D O I：

10.1103/PhysRevB.65.140513

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

An intrinsic tunnel junction was made using two Bi2Sr2CaCu2O8+delta single-crystal whiskers. The two whiskers with a cross angle were overlaid at their c planes and connected by annealing. The angular dependence of the critical current density along the c axis is of the d-wave symmetry. However, the angular dependence is much stronger than that of the conventional d wave. Furthermore, the current vs voltage characteristics of the cross-whisker junctions show a multiple-branch structure at any cross angle, indicating the formation of the intrinsic Josephson-junction array.

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页码：1 / 4

页数：4

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