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説明:

In this study, given the theoretical prediction of Dirac bands in CaPd3O4, we investigate the fabrication and transport properties of SrPd3O4 and CaPd3O4 thin films as candidates of oxide Dirac semimetals. We have found that these materials are epitaxially grown on MgO (100) substrate under limited growth conditions by pulsed laser deposition. The transport properties show a weak temperature dependence, suggestive of the narrow-gap properties although unintentionally doped holes hinder us from revealing the presence of the Dirac band. Our study establishes the basic thermodynamics of thin film fabrication of these materials and will lead to interesting properties characteristic of topological band structure by modulating the electronic structure by, for example, chemical substitutions or pressure.

権利情報:

• Creative Commons BY Attribution 4.0 International
  

キーワード: Palladate thin film

刊行年月日: 2023-12-31

出版者: Informa UK Limited

掲載誌:

• SCIENCE AND TECHNOLOGY OF ADVANCED MATERIALS (ISSN: 14686996) vol. 24 issue. 1 2265431

研究助成金:

原稿種別: 出版者版 (Version of record)

MDR DOI:

公開URL: https://doi.org/10.1080/14686996.2023.2265431

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更新時刻: 2024-01-05 22:12:08 +0900

MDRでの公開時刻: 2023-12-02 13:30:21 +0900