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Ln3Cu4P4O2: a New Lanthanide Transition Metal Pnictide Oxide Structure Type

Published online by Cambridge University Press:  15 February 2011

R. J. Cava ,
H. W. Zandbergen ,
J. J. Krajewski ,
T. Siegrist ,
H. Y. Hwang ,
A. P. Ramirez  and
B. Batlogg
R. J. Cava
Affiliation:
Department of Chemistry andPrinceton Materials Institute, Princeton University, Princeton, NJ 08540, Bell Laboratories, Lucent Technologies Murray Hill, NJ 07974
H. W. Zandbergen
Affiliation:
National Center for High Resolution Electron Microscopy, Technical University, Delft, Holland
J. J. Krajewski
Affiliation:
Department of Chemistry andPrinceton Materials Institute, Princeton University, Princeton, NJ 08540, Bell Laboratories, Lucent Technologies Murray Hill, NJ 07974
T. Siegrist
Affiliation:
Department of Chemistry andPrinceton Materials Institute, Princeton University, Princeton, NJ 08540, Bell Laboratories, Lucent Technologies Murray Hill, NJ 07974
H. Y. Hwang
Affiliation:
Department of Chemistry andPrinceton Materials Institute, Princeton University, Princeton, NJ 08540, Bell Laboratories, Lucent Technologies Murray Hill, NJ 07974
A. P. Ramirez
Affiliation:
Department of Chemistry andPrinceton Materials Institute, Princeton University, Princeton, NJ 08540, Bell Laboratories, Lucent Technologies Murray Hill, NJ 07974
B. Batlogg
Affiliation:
Department of Chemistry andPrinceton Materials Institute, Princeton University, Princeton, NJ 08540, Bell Laboratories, Lucent Technologies Murray Hill, NJ 07974
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Abstract

A new type of lanthanide transition metal pnictide-oxide, Ln3Cu4P4O2 (for Ln = La, Ce, and Nd), is reported. The crystal structure is made from Ln2O2 layers of the Pb2O2 type stacked with layers of Cu2P2 tetrahedra. The existence of a homologous series of compounds with similar chemistry connecting the BiCuOSe and ThCr2Si2 structure types is indicated. The resistivity of La3Cu4P4O2 is metallic, with no superconductivity observed above 2K. The Ce and Nd compounds have magnetic susceptibilities characteristic of the trivalent Lanthanides. The Ce compound orders magnetically at approximately 0.8 K.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 453: Symposium R – Solid State Chemistry of Inorganic Materials , 1996 , 305
Copyright
Copyright © Materials Research Society 1997

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References

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