SYNTHESIS, CHARACTERIZATION AND SUPERCONDUCTING PROPERTIES OF PB2SR2(Y/CA)CU3O9-DELTA SINGLE-CRYSTALS

被引：38

作者：

XUE, JS

REEDYK, M

LIN, YP

STAGER, CV

GREEDAN, JE

机构：

[1] Institute for Materials Research, McMaster University, Hamilton

来源：

PHYSICA C | 1990年 / 166卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(90)90548-S

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

Single crystals of Pb2Sr2(Y/Ca)Cu3O9-δ have been grown from a PbO-NaCl flux. The absence of CuO flux enables the crystals to be separated non-destructively from the melt using an organic solvent. This method yields high quality, untwinned, reasonably sized crystals with a sharp transition temperature of 84 K. The crystals exhibit an orthorhombic structure with lattice parameters; deduced from a Guinier camera analysis, a = 5.383 (1) A ̊, b = 5.423 (1) A ̊ and c = 15.765 (2) A ̊. The crystals are considerably thicker along the c-direction than typical crystals of YBa2Cu3O7-δ and Bi2Sr2CaCu2O8 which facilitates measurements of anisotropic properties. As an example we present a measurement of the component of the resistivity in the ab-plane, and along the c-axis. © 1990.

引用

页码：29 / 35

页数：7

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