TRANSLATIONAL AND BOND-ORIENTATIONAL ORDER IN THE VORTEX LATTICE OF THE HIGH-TC SUPERCONDUCTOR BI2.1SR1.9CA0.9CU2O8+DELTA

被引：93

作者：

GRIER, DG ^{[1
]}

MURRAY, CA ^{[1
]}

BOLLE, CA ^{[1
]}

GAMMEL, PL ^{[1
]}

BISHOP, DJ ^{[1
]}

MITZI, DB ^{[1
]}

KAPITULNIK, A ^{[1
]}

机构：

[1] STANFORD UNIV,STANFORD,CA 94305

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 66卷 / 17期

关键词：

D O I：

10.1103/PhysRevLett.66.2270

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We have investigated the microscopic ordering of the flux lattice in the mixed state of Bi2.1Sr1.9Ca0.9-Cu2O8 + delta near H(c1) by image analysis of Bitter-decorated samples. We observe a dramatic transition from strong isotropic disorder to hexatic order with increasing magnetic field. This transition occurs at a lower applied magnetic field for samples which are annealed in oxygen.

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页码：2270 / 2273

页数：4

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