Magnetic and electrical properties of single-crystal La2−xSrxCu1−yNiyO4

We report the out-of-plane and in-plane magnetic susceptibility and resistivity of Ni-doped La2−xSrxCuO4 single crystals. Our data shows that in lightly Sr doped compounds the Néel temperature TN increased with increasing Ni concentration. As the temperature is lowered, the resistivity deviates from...

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Bibliographic Details
Published in:Physica. C, Superconductivity Superconductivity, 2003-05, Vol.388-389, p.241-242
Main Authors: Watanabe, Nobuaki, Masui, Takahiko, Itoh, Yutaka, Machi, Takato, Kato, Isao, Koshizuka, Naoki, Murakami, Masato
Format: Article
Language:English
Subjects:
LaSrCuO
Néel temperature
Substitution effect
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Summary:We report the out-of-plane and in-plane magnetic susceptibility and resistivity of Ni-doped La2−xSrxCuO4 single crystals. Our data shows that in lightly Sr doped compounds the Néel temperature TN increased with increasing Ni concentration. As the temperature is lowered, the resistivity deviates from the impurity band conduction process and becomes dominated by the variable range hopping process associated with the evolving of antiferromagnetic ordering.
ISSN:0921-4534
1873-2143
DOI:10.1016/S0921-4534(02)02403-6