Electron- and Hole-Doping Effects on A-Site Ordered NdBaMn2O6
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概要
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We have investigated electron- and hole-doping effects on A-site ordered perovskite manganite NdBaMn2O6, which has the A-type (layered) antiferromagnetic (AFM) ground state. Electrons (holes) are introduced by partial substitution of Ba2+ (Nd3+) with Nd3+ (Ba2+). Electron-doping generates ferromagnetic (FM) clusters in the A-type AFM matrix. With increasing the electron-doping level, the volume fraction of the FM phase or the number of the FM clusters is abruptly increasing. In contrast, the A-type AFM phase is robust against the hole-doping, and no FM correlation is observed in the hole-doped NdBaMn2O6.
- 2011-07-15
著者
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Akahoshi Daisuke
Department Of Physics Sophia University
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Kuwahara Hideki
Department Of Physics Sophia University
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Akaki Mitsuru
Department of Physics, Sophia University, Chiyoda, Tokyo 102-8554, Japan
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Miyauchi Yasuhiro
Department of Physics, Sophia University, Chiyoda, Tokyo 102-8554, Japan
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