A combined method for synthesis of superconducting Cu doped Bi2Se3
Wang, Meng1; Song, Yanru2; You, Lixing1; Li, Zhuojun1; Gao, Bo1; Xie, Xiaoming1; Jiang, Mianheng2
2016-03-03
发表期刊SCIENTIFIC REPORTS
ISSN2045-2322
卷号6
发表状态已发表
DOI10.1038/srep22713
摘要We present a two-step technique for the synthesis of superconducting CuxBi2Se3. Cu0.15Bi2Se3 single crystals were synthesized using the melt-growth method. Although these samples are non-superconducting, they can be employed to generate high quality superconducting samples if used as precursors in the following electrochemical synthesis step. Samples made from Cu0.15Bi2Se3 reliably exhibit zero-resistance even under the non-optimal quenching condition, while samples made from pristine Bi2Se3 require fine tuning of the quenching conditions to achieve similar performance. Moreover, under the optimal quenching condition, the average superconducting shielding fraction was still lower in the samples made from pristine Bi2Se3 than in the samples made from Cu0.15Bi2Se3. These results suggest that the pre-doped Cu atoms facilitate the formation of a superconducting percolation network. We also discuss the useful clues that we gathered about the locations of Cu dopants that are responsible for superconductivity.
收录类别SCI
语种英语
资助项目National Natural Science Foundation of China[11204337] ; National Natural Science Foundation of China[11374321]
WOS研究方向Science & Technology - Other Topics
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000371217100001
出版者NATURE PUBLISHING GROUP
WOS关键词INTERCALATION
原始文献类型Article
引用统计
文献类型期刊论文
条目标识符https://kms.shanghaitech.edu.cn/handle/2MSLDSTB/1900
专题大科学中心_PI研究组_刘志组
物质科学与技术学院
物质科学与技术学院_科学装置(X)_活细胞结构与功能成像等线站工程项目
通讯作者Li, Zhuojun; Gao, Bo
作者单位1.Chinese Acad Sci, Shanghai Inst Microsyst & Informat Technol, 865 Changning Rd, Shanghai, Peoples R China
2.ShanghaiTech Univ, Sch Phys Sci & Technol, 319 Yueyang Rd, Shanghai, Peoples R China
推荐引用方式
GB/T 7714
Wang, Meng,Song, Yanru,You, Lixing,et al. A combined method for synthesis of superconducting Cu doped Bi2Se3[J]. SCIENTIFIC REPORTS,2016,6.
APA Wang, Meng.,Song, Yanru.,You, Lixing.,Li, Zhuojun.,Gao, Bo.,...&Jiang, Mianheng.(2016).A combined method for synthesis of superconducting Cu doped Bi2Se3.SCIENTIFIC REPORTS,6.
MLA Wang, Meng,et al."A combined method for synthesis of superconducting Cu doped Bi2Se3".SCIENTIFIC REPORTS 6(2016).
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