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A Cr(IV) based 1212-type cuprate

Published online by Cambridge University Press:  11 February 2011

Rocío Ruiz-Bustos
Affiliation:
Laboratorio de Química del Estado Sólido, Facultad de Química, Universidad Complutense, 28040, Madrid Spain (EU)
Myriam H. Aguirre
Affiliation:
Laboratorio de Química del Estado Sólido, Facultad de Química, Universidad Complutense, 28040, Madrid Spain (EU)
M.Á. Alario-Franco
Affiliation:
Laboratorio de Química del Estado Sólido, Facultad de Química, Universidad Complutense, 28040, Madrid Spain (EU)
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Abstract

By means of high pressure and high temperature we have prepared a new material similar to the classic YBa2Cu3O7 (Ybacuo) superconductor but having chromium in the so-called charge reservoir layer: CrSr2YCu2O8. It has been characterised by different techniques such as X-ray diffraction, TEM, ED, EDS, and magnetic susceptibility. The new material is isostructural with the Ru equivalent compound (RuSr2YCu2O8). An antiferromagnetic transition is observed on cooling below 130 K. The as prepared material is not superconducting down to 4 K.

Type
Research Article
Copyright
Copyright © Materials Research Society 2003

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