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Study on mangetic polaron induced by electric field effect in EuO

Study on mangetic polaron induced by electric field effect in EuO
EuO中电场效应诱导磁极化子的研究
批准号：
23654125
负责人：
SUZUKI Hiroyuki
金额：
$2.33万
依托单位：
National Institute for Materials Science
依托单位国家：
日本
项目类别：
Grant-in-Aid for Challenging Exploratory Research
财政年份：
2011
资助国家：
日本
项目状态：
已结题
起止时间：
2011 至 2013
来源：
https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23654125/
关键词：
電界効果磁気ポーラロン金属絶縁体転移強磁性転移希土類酸化物純良単結晶育成

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中文摘要
翻译
稀土单氧化物EuO是一种稀有物质，既有铁磁性，又有绝缘体-金属相变。载流子诱导的磁极化子被认为在这些转变的机制中起着重要作用。当磁极化子以及由此产生的跃迁可以通过引入载流子进入体表面态的电场效应，即静电载流子掺杂(ESD)来控制时，它将成为自旋电子器件中新的工作原理的候选者。在本研究中，我们成功地实现了EuO单晶的高质量生长，并首次在所获得的单晶解理表面制备了场效应管，成功地实现了静电放电。
英文摘要
Rare earth mono-oxide EuO is one of rare substances, which shows both ferromagnetic and insulator-metal transitions. Magnetic polaron induced by a carrier is considered to play an important role in the mechanism of the transitions. When the magnetic polaron and also the resulting transitions can be controlled by the electric field effect introducing the carrier into the bulk surface state, i.e. electrostatic carrier doping (ESD), it will be a candidate of new operation principal in the spintronics devices. In this research, we have performed high quality single crystal growth of EuO and have first succeeded in ESD by field effect transistor fabricated on the cleaved surface of the obtained single crystal.
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  • 批准号：
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