Strain Effect of La_<n-nx>Ca_<1+nx>Mn_nO_<3n+1> Thin Films

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概要

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• The electrical and magnetic properties, including the magnetoresistance (MR) effect, of La_<n-nx>Ca_<1+nx>Mn_nO_<3n+1> thin films (n=∞, 2; x=0.3) grown on various substrates were investigated. For n=2 (La_<1.4>Ca_<1.6>Mn_2O_7) thin films, the cusp temperature (T_c^^ρ) in the p-T curve decreased very sharply with a decrease of the out-of-plane lattice parameter (a). The MR effect was enhanced drastically by decreasing T_c^^ρ. These behavilrs are interpreted in relation to the change in the transport character along the c-axis due to the strain.

• 社団法人日本磁気学会の論文
• 1999-04-15

著者

• 浅野 秀文

  Department of Crystalline Materials Science, Nagoya Univ.

• Matsui M.

  Department of Communications and Systems Engineering, The University of Electro-Communications

• Asano H.

  Department of Crystalline Materials Science, Nagoya University

• Hayakawa J.

  Department Of Materials Science And Engineering Nagoya University

• Matsui M

  Department Of Crystalline Materials Science Nagoya University

• 早川 純

  Department of Materials Science and Engineering, Nagoya University

• 松井 正顯

  Department of Materials Science and Engineering, Nagoya University

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