Download file (979KB)
Download as zip (962KB)

コレクション

引用

説明:

The physical properties of the intermetallic compound RhPb2 have been unexplored in detail and are controversial so far. Two values of superconducting transition temperatures have been reported experimentally in poly-crystal samples with the I4/mcm structure. Moreover, the recent report of band calculation results showed that RhPb2 with the I4/mmm structure (β-RhPb2) may be a topological superconductor candidate, having a higher Tc ≈ 9.7 K than that of the I4/mcm structure. Therefore, we grew single crystals of RhPb2 and performed X-ray diffraction study and the phase stability by EPMA, and resistivity measurements to clarify this intriguing compound. Surprisingly, the resistivity measurements showed three different values of Tc (1.24 K, 2.32 K, and 6.7 K) despite the same crystal structure (I4/mcm) but different levels of Rh vacancies up to 18%, inspiring that some sort of Rh vacancy ordering may occur.

権利情報:

• In Copyright
  This version of the article has been accepted for publication, after peer review (when applicable) and is subject to Springer Nature’s AM terms of use, but is not the Version of Record and does not reflect post-acceptance improvements, or any corrections. The Version of Record is available online at: http://dx.doi.org/10.1557/s43580-022-00292-5

キーワード: crystal growth, RhPb2, superconductivity

刊行年月日: 2022-05-31

出版者: Springer Science and Business Media LLC

掲載誌:

• MRS Advances (ISSN: 20598521) vol. 7 issue. 30 p. 778-782

研究助成金:

原稿種別: 著者最終稿 (Accepted manuscript)

MDR DOI: https://doi.org/10.48505/nims.4826

公開URL: https://doi.org/10.1557/s43580-022-00292-5

関連資料:

その他の識別子:

連絡先:

更新時刻: 2024-10-10 16:30:28 +0900

MDRでの公開時刻: 2024-10-10 16:30:28 +0900