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Oxygen vacancies-induced metal-insulator transition in La_(2/3)Sr_(1/3)VO_3 thin films: Role of the oxygen substrate-to-film transfer

机译:La_(2/3)Sr_(1/3)VO_3薄膜中的氧空位诱导的金属-绝缘体转变:氧衬底到膜转移的作用

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摘要

Electrical transport properties of La_(2/3)Sr_(1/3)VO (LSVO) thin films grown on LaAlO_3 (LAO) and SrTiO_3 (STO) substrates have been investigated. It is found that the LSVO/LAO show metal-insulator transition when decreasing the temperature, while the LSVO/STO exhibit metallic behavior. The difference in transport properties of LSVO thin films has been discussed based on the variation of oxygen content and can be attributed to different oxygen substrate-to-film transfer. These results highlight the crucial role of oxygen stoichiometry in determining the physical properties of LSVO and the importance of oxygen-substrate contribution in LSVO thin films.
机译:研究了在LaAlO_3(LAO)和SrTiO_3(STO)衬底上生长的La_(2/3)Sr_(1/3)VO(LSVO)薄膜的电传输性能。发现当降低温度时,LSVO / LAO表现出金属-绝缘体转变,而LSVO / STO表现出金属行为。 LSVO薄膜在传输特性上的差异已基于氧含量的变化进行了讨论,这可归因于不同的氧从基底到薄膜的转移。这些结果突出了氧化学计量法在确定LSVO的物理性质中的关键作用以及在LSVO薄膜中氧基质贡献的重要性。

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  • 来源
    《Applied Physics Letters》 |2014年第11期|111607.1-111607.4|共4页
  • 作者单位

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China;

    Key Laboratory of Materials Physics, Institute of Solid State Physics, Chinese Academy of Sciences,Hefei 230031, People's Republic of China,High Magnetic Field Laboratory, Chinese Academy of Sciences, Hefei 230031, People's Republic of China,Collaborative Innovation Center of Advanced Microstructures, Nanjing 210093, People's Republic of China;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
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  • 正文语种 eng
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  • 入库时间 2022-08-18 03:15:59

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