Magnetic properties and the metal-insulator transition in GdXMn1-XS solid solutions

Romanova OB; Ryabinkina LI; Sokolov VVPichugin AYVelikanov DABalaev DAGalyas AIDemidenko OFMakovetskii GIYanushkevich KI

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Magnetic properties and the metal-insulator transition in GdXMn1-XS solid solutions

机译：Magnetic properties and the metal-insulator transition in GdXMn1-XS solid solutions

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The structural, magnetic, electrical, and thermoelectric properties of GdXMn1-XS (0.01 <= X <= 0.3) solid solutions synthesized for the first time on the basis of alpha-MnS have been studied experimentally in the temperature range 77-1000 K in magnetic fields up to 10 kOe. The synthesized samples are antiferromagnetic semiconductors with an NaCl-type cubic lattice typical of a-MnS. Both concentration (X-c = 0.3) and temperature (T-c = 450 K) metal-insulator phase transitions have been observed. The concentration metal-insulator transition is accompanied by a decrease in resistivity and thermopower by twelve and two orders of magnitude, respectively, with the change in conductivity from p-type to n-type.

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来源
《Solid State Communications》 |2010年第14期|602-604|共3页
作者
Romanova OB; Ryabinkina LI; Sokolov VVPichugin AYVelikanov DABalaev DAGalyas AIDemidenko OFMakovetskii GIYanushkevich KI;
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作者单位

GO NPTs Materials Science Center, National Academy of Sciences of Belarus, 220072 Minsk, Belarus;

Kirensky Institute of Physics, Russian Academy of Sciences, Siberian Branch, 660036 Krasnoyarsk, Russia;

Institute of Inorganic Chemistry, Russian Academy of Sciences, Siberian Branch, 630090 Novosibirsk, Russia;

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原文格式 PDF
正文语种英语
中图分类固体物理学;
关键词
Insulator; Metals; Crystal growth; Phase transitions;

Magnetic properties and the metal-insulator transition in GdXMn1-XS solid solutions

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