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Correlation between Nanoscale Domain Structures and Superconducting Phase Transitions in Highly Crystalline 2D Superconductors

文献类型：期刊论文

作者Wang, Libin2,3; Xu, Chuan1,4; Liu, Zhen3; Liu, Zhibo1; Yang, Zixuan3; Cheng, Hui-Ming1,4; Ren, Wencai1,4; Kang, Ning3
刊名ADVANCED ELECTRONIC MATERIALS
出版日期2023-01-10
页码8
ISSN号2199-160X
关键词2D crystalline superconductors domain nanostructures quantum phase transitions superconducting nanoelectronics
DOI10.1002/aelm.202201170
通讯作者Ren, Wencai(wcren@imr.ac.cn) ; Kang, Ning(nkang@pku.edu.cn)
英文摘要The domains and domain boundaries in 2D materials are known to play essential roles in investigating intriguing physical properties and have potential applications in nanoscale devices. Understanding the influence of individual domains on the superconducting properties of ultrathin 2D superconductors is of crucial importance for fundamental studies on mesoscopic superconductivity as well as applications in superconducting nanoelectronics. Here, low-temperature electronic transport measurements of high quality ultrathin Mo2C crystals are presented that show clear evidence for the presence of multiple superconducting phase induced by the nanoscale domain structures. In particular, the observation of an anomalous resistance peak in the vicinity of the onset of the superconducting transition is reported. This resistive anomaly is interpreted as a consequence of nonequilibrium charge imbalance near the domain boundaries, which could induce effective normal-superconducting interfaces in 2D Mo2C crystals. Moreover, the magnetic field-tuned superconductor-metal transition for ultrathin Mo2C crystals is examined. The observed scaling behavior is consistent with the appearance of quantum Griffiths singularity in 2D superconducting systems. This study sheds light on the understanding of the domain boundaries and their role on the transport properties of highly crystalline 2D superconductors, which may open potential application of domain structure in functional superconducting nanodevices.
资助项目National Natural Science Foundation of China[11974026] ; National Natural Science Foundation of China[52122202] ; National Natural Science Foundation of China[52188101] ; National Natural Science Foundation of China[51802314] ; National Key Research and Development Program of China[2017YFA0303304] ; Science Foundation of Jihua Laboratory[2021B0301030003-03] ; Strategic Priority Research Program of Chinese Academy of Sciences[XDB30000000] ; Youth Innovation Promotion Association of Chinese Academy of Sciences[2018223]
WOS研究方向Science & Technology - Other Topics ; Materials Science ; Physics
语种英语
出版者WILEY
WOS记录号WOS:000911348800001
资助机构National Natural Science Foundation of China ; National Key Research and Development Program of China ; Science Foundation of Jihua Laboratory ; Strategic Priority Research Program of Chinese Academy of Sciences ; Youth Innovation Promotion Association of Chinese Academy of Sciences
源URL[http://ir.imr.ac.cn/handle/321006/175375]  
专题金属研究所_中国科学院金属研究所
通讯作者Ren, Wencai; Kang, Ning
作者单位1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Aalto Univ, Dept Appl Phys, Low Temp Lab, FI-00076 Aalto, Finland
3.Peking Univ, Sch Elect, Key Lab Phys & Chem Nanodevices, Beijing 100871, Peoples R China
4.Univ Chinese Acad Sci, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Libin,Xu, Chuan,Liu, Zhen,et al. Correlation between Nanoscale Domain Structures and Superconducting Phase Transitions in Highly Crystalline 2D Superconductors[J]. ADVANCED ELECTRONIC MATERIALS,2023:8.
APA Wang, Libin.,Xu, Chuan.,Liu, Zhen.,Liu, Zhibo.,Yang, Zixuan.,...&Kang, Ning.(2023).Correlation between Nanoscale Domain Structures and Superconducting Phase Transitions in Highly Crystalline 2D Superconductors.ADVANCED ELECTRONIC MATERIALS,8.
MLA Wang, Libin,et al."Correlation between Nanoscale Domain Structures and Superconducting Phase Transitions in Highly Crystalline 2D Superconductors".ADVANCED ELECTRONIC MATERIALS (2023):8.

入库方式： OAI收割

来源：金属研究所

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