Crystal Growth and Substitutional Chemistry of Pb2Sr2MCu3O8

被引：25

作者：

Schneemeyer, L. F. ^{[1
]}

Cava, R. J. ^{[1
]}

James, A. C. W. P. ^{[1
]}

Marsh, P. ^{[1
]}

Siegrist, T. ^{[1
]}

Waszczak, J., V ^{[1
]}

Krajewski, J. J. ^{[1
]}

Peck, W. P., Jr. ^{[1
]}

Opila, R. L. ^{[1
]}

Glarum, S. H. ^{[1
]}

Marshall, J. H. ^{[1
]}

Hull, R. ^{[1
]}

Bonar, J. M. ^{[1
]}

机构：

[1] AT&T Bell Labs, 600 Mt Ave, Murray Hill, NJ 07974 USA

来源：

CHEMISTRY OF MATERIALS | 1989年 / 1卷 / 05期

关键词：

D O I：

10.1021/cm00005a016

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the crystal growth and ceramic preparation of Pb2Sr2MCu3O8 phases containing a variety of lanthanoids and lanthanoid/alkaline-earth metal solid solutions. These recently discovered high-temperature superconductors add to our understanding of the chemical and structural features key to superconductivity in cuprates. The growth of millimeter-sized crystals from PbO-rich fluxes is described. Ceramic samples of the Pb2Sr2MCu3O8 phase are formed under low oxygen partial pressures for the majority of the lanthanoids. Systematic structural changes are observed as a function of lanthanoid size. The substitution of alkaline-earth metals on the lanthanoid site and the substitution of barium for strontium to form Pb2Ba2YCu3O8 are also described.

引用

页码：548 / 553

页数：6

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