NOVEL MAGNETISM AND SUPERCONDUCTIVITY IN A Ru-BASED DOUBLE PEROVSKITE-Reference-Cited by-同舟云学术

NOVEL MAGNETISM AND SUPERCONDUCTIVITY IN A Ru-BASED DOUBLE PEROVSKITE

Published:1999-12-20 Issue:29n31 Volume:13 Page:3585-3590
ISSN:0217-9792
Container-title:International Journal of Modern Physics B
language:en
Short-container-title:Int. J. Mod. Phys. B

Author:

WU M. K.¹,CHEN D. Y.¹,CHIEN F. Z.²,LING D. C.²,CHEN Y. Y.³,REN H. C.⁴

Affiliation:

1. Department of Physics, National Tsing Hua University, Hsinchu, Taiwan, R.O.C

2. Department of Physics, Tamkang University, Tamsui, Taipei, Taiwan, R.O.C

3. Institute of Physics, Academia Sinica, Nankang, Taipei, Taiwan, R.O.C

4. Department of Physics, Rockefeller University, New York City, NY 10021, USA

Abstract

We report the observations, using magnetic susceptibility and specific heat measurements, of the coexistence of superconductivity and magnetic ordering at low temperatures in the Cu-doping double perovskites Sr 2 ARu 1-x Cu x O 6, with A = Y or Ho, and x<0.2. The observed striking features can be understood in terms of a plausible theoretical model based on the double exchange mechanism, which occurs indirectly via Ru 5+ spin coupling to itinerant electrons hopping from one Ru site to another.

Publisher

World Scientific Pub Co Pte Lt

Subject

Condensed Matter Physics,Statistical and Nonlinear Physics

Link

https://www.worldscientific.com/doi/pdf/10.1142/S0217979299003489

Reference5 articles.

1. B-cation arrangements in double perovskites

2. Interaction between thed-Shells in the Transition Metals. II. Ferromagnetic Compounds of Manganese with Perovskite Structure

3. Effects of Double Exchange in Magnetic Crystals

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