Crystal growth and giant magnetoresistance of rare earth layered cobaltites

被引：0
|
作者：
Barilo, S. N.
Shiryaev, S. V.
Bychkov, G. L.
Shestak, A. S.
Zhou, Z. X.
Hinkov, V.
Plakhty, V. P.
Chernenkov, Yu. P.
Gavrilov, S. V.
Baran, M.
Szymczak, R.
Sheptyakov, D.
Szymczak, H.
机构：
[1] Byelarussian Acad Sci, Inst Solid State & Semicond Phys, Minsk 220072, BELARUS
[2] Natl High Magnet Field Lab, Tallahassee, FL 32310 USA
[3] Max Planck Inst Festkorperforsch, D-70569 Stuttgart, Germany
[4] Petersburg Nucl Phys Inst, Gatchina 188300, Russia
[5] Polish Acad Sci, Inst Phys, PL-02668 Warsaw, Poland
[6] ETH Zurch, Neutron Scattering Lab, CH-5232 Villigen, Switzerland
[7] Paul Scherrer Inst, CH-5232 Villigen, Switzerland
来源：
REVIEWS ON ADVANCED MATERIALS SCIENCE | 2006年 / 12卷 / 01期
关键词：
D O I：
暂无
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A review on progress in crystal growth and study of layered cobaltites is presented. Single crystals of the LnBaCo(2)O(5+delta) (Ln = Pr, Sm, Eu, Gd, Tb, Dy, Tb0.9Dy0.1) family with the giant magnetoresistance (MR) effect were grown by the flux technique. Co-crystallization with the geometrically frustrated LnBaCo(4)O(7) phase was registered in a wide range of temperature. The details of structure of the as-grown and detwinned single crystals and their characterization by magnetic susceptibility, magnetoresistance, X-ray and neutron diffraction are discussed. A comparative study of the twinned and twins free EuBaCo2O5+delta single crystals reveals a positive magnetoresistance effect similar to 500% at low temperature.
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页码：33 / 45
页数：13
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