Influence of Mn Doping on Ferroelectric-Antiferromagnet BiFeO3 Thin Films Grown on (LaAlO3)0.3(Sr2AlTaO6)0.7 Substrates
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概要
- 論文の詳細を見る
We have fabricated phase-pure BiFe1-xMnxO3 ($x=0$, 0.05, and 0.2) thin films on (LaAlO3)0.3(Sr2AlTaO6)0.7 substrates by pulsed laser deposition technique and examined the Mn substitution effect on the electric and magnetic properties. The undoped BiFeO3 films exhibited simultaneous ferroelectricity and antiferromagnetism at room temperature, which was consistent with the bulk property. The increase in Mn content resulted in an enhancement in electric conductivity, leading to an increase in spontaneous magnetization at room temperature along with a deterioration in ferroelectricity. Among the three compositions, BiFe1-xMnxO3 ($x=0.05$) thin film showed the best multiferroic property exhibiting simultaneous ferroelectricity and weak ferromagnetism.
- Japan Society of Applied Physicsの論文
- 2006-08-25
著者
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Tonouchi Masayoshi
Institute Of Laser Engineering Osaka University
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Takahashi Kouhei
Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan
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Tonouchi Masayoshi
Institute of Laser Engineering, Osaka University, 2-6 Yamadaoka, Suita, Osaka 565-0871, Japan
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