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Tri-axial magnetic alignment and rare-earth-dependent tri-axial magnetic anisotropies in REBa2Cu4O8 cuprate superconductors

Published online by Cambridge University Press:  17 December 2013

M. Yamaki ,
M. Furuta ,
T. Doi ,
J. Shimoyama  and
S. Horii
M. Yamaki
Affiliation:
Department of Environmental Systems Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami-city, Kochi, 782-8502, Japan
M. Furuta
Affiliation:
Department of Environmental Systems Engineering, Kochi University of Technology, 185 Miyanokuchi, Tosayamada, Kami-city, Kochi, 782-8502, Japan
T. Doi
Affiliation:
Graduate School of Energy Science, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto-city, Kyoto, 606-8501, Japan
J. Shimoyama
Affiliation:
Department of Applied Chemistry, University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8656, Japan
S. Horii
Affiliation:
Graduate School of Energy Science, Kyoto University, Yoshida-honmachi, Sakyo-ku, Kyoto-city, Kyoto, 606-8501, Japan
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Abstract

We report the growth of single crystals by a flux method in ambient pressure and tri-axial orientation under modulated rotation magnetic fields (MRFs) on REBa2Cu4O8 (RE124, RE; rare earth elements) compounds. RE124 crystals were grown for RE = Y, Sm, Eu, Gd, Dy, Ho, Er, Tm, and Yb through appropriate choice of source compounds. All the obtained RE124 powders were tri-axially aligned in MRF of 10T, whereas magnetization axes depended on the type of RE. Moreover, it was found from the changes in the degrees of c-axis and inplane orientation that tri-axial magnetic anisotropies of RE124 also depended on the type of RE. This indicates that it appropriate choice of RE is important for the fabrication of tri-axial oriented ceramics in lower magnetic field conditions.

Keywords

superconductingmagneticcrystal growth
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1654: Symposium NN – Measurements of Atomic Arrangements and Local Vibrations in Nanostructured Materials , 2014 , mrsf13-1654-nn09-01
Copyright
Copyright © Materials Research Society 2013 

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References

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