HIGH-PRESSURE SYNTHESIS OF SUPERCONDUCTING (CA,K)(2)CUO2CL2

被引：21

作者：

TATSUKI, T

ADACHI, S

ITOH, M

TAMURA, T

WU, XJ

JIN, CQ

KOSHIZUKA, N

TANABE, K

机构：

[1] Superconductivity Research Laboratory, International Superconductivity Technology Center, Koto-ku, Tokyo, 135, 10-13 Shinonome

来源：

PHYSICA C | 1995年 / 255卷 / 1-2期

关键词：

D O I：

10.1016/0921-4534(95)00587-0

中图分类号：

O59 [应用物理学];

学科分类号：

摘要：

We synthesized a halo-oxocuprate superconductor, (Ca, K)(2)CuO2Cl2, from Ca2CuO2Cl2 and KClO4 using a high-pressure technique. The products exhibited a superconductivity below similar to 24 K and a large Meissner volume. From compositional analyses, we confirmed that the monovalent potassium ions are incorporated in the superconducting grains and the Cl/Cu atomic ratio is approximately two. It is likely that the potassium substitution for calcium is the dominant hole-doping process in this superconductor.

引用

页码：61 / 64

页数：4

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