Effect of columnar defects on the vortex-solid melting transition in Bi2Sr2CaCu2O8

被引：29

作者：

Khaykovich, B ^{[1
]}

Konczykowski, M

Teitelbaum, K

Zeldov, E

Shtrikman, H

Rappaport, M

机构：

[1] Weizmann Inst Sci, Dept Condensed Matter Phys, IL-76100 Rehovot, Israel

[2] Ecole Polytech, Solides Irradies Lab, CNRS, URA 1380, F-91128 Palaiseau, France

[3] Kazan VI Lenin State Univ, Kazan 420008, Russia

[4] Weizmann Inst Sci, Serv Phys, IL-76100 Rehovot, Israel

来源：

PHYSICAL REVIEW B | 1998年 / 57卷 / 22期

关键词：

D O I：

10.1103/PhysRevB.57.R14088

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The first-order phase transition of the vortex-lattice in Bi2Sr2CaCu2O8 crystals is shown to transform into a continuous transition when disorder is introduced via a very low concentration of columnar defects. We demonstrate fine tuning of the disorder strength and the recovery of the first-order transition by varying the concentration of the columns, by changing the temperature along the melting line, or by tilting the magnetic field with respect to the columns.

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页码：14088 / 14091

页数：4

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