中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 合肥物质科学研究院
  3. 中国科学院合肥物质科学研究院
  4. 中科院固体物理研究所
Pressure-induced bulk superconductivity in a layered transition-metal dichalcogenide 1T-tantalum selenium

文献类型：期刊论文

作者Wang, Bosen1,2,3; Liu, Yu4; Ishigaki, Kento1; Matsubayashi, Kazuyuki1,5; Cheng, Jinguang2,3; Lu, Wenjian4; Sun, Yuping4,6,7; Uwatoko, Yoshiya1
刊名PHYSICAL REVIEW B
出版日期2017-06-09
卷号95期号:22页码:1-6
DOI10.1103/PhysRevB.95.220501
文献子类Article
英文摘要We report pressure-driven superconductivity (SC) in the vicinity of a commensurate charge-density wave (CCDW) in transition-metal dichalcogenides (TMDs) 1T-TaSe2 by simultaneous resistivity and ac susceptibility. The superconducting phase enters at 4.5 GPa and bulk SC emerges along with the collapse of the CCDW phase at a critical pressure P-c similar to 6.5 GPa. Higher than P-c, the superconducting transition temperature (T-c) keeps increasing linearly, without a dome-shaped superconducting diagram in our pressure range. T-c reaches similar to 5.3 K at 15 GPa, which is the highest among all 1T-TMDs. A comprehensive analysis shows that electronic correlations of the CCDW phase open energy gaps, which prohibit Cooper pairing, while the superconducting channels and CCDW domain wall coexist in three dimensions above P-c. The evolutions of the Fermi surface and the softening of phonon modes under pressure are proposed to explain the monotonic increase of T-c. The findings reveal the interplay of CCDW and SC in 1T-TaSe2 by a clean method, viz., high pressure, and shed light on the underlying superconducting mechanism in the relevant systems.
WOS关键词LOW-TEMPERATURE ; 1T-TASE2
WOS研究方向Physics
语种英语
WOS记录号WOS:000402971000001
资助机构National Key Research and Development Program of China(2016YFA0300404) ; National Key Research and Development Program of China(2016YFA0300404) ; National Key Research and Development Program of China(2016YFA0300404) ; National Key Research and Development Program of China(2016YFA0300404) ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation ; National Natural Science Foundation ; National Natural Science Foundation ; National Natural Science Foundation ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; JSPS KAKENHI(15H03681) ; JSPS KAKENHI(15H03681) ; JSPS KAKENHI(15H03681) ; JSPS KAKENHI(15H03681) ; JSPS fellowship(15F15023) ; JSPS fellowship(15F15023) ; JSPS fellowship(15F15023) ; JSPS fellowship(15F15023) ; 11674326) ; 11674326) ; 11674326) ; 11674326) ; National Key Research and Development Program of China(2016YFA0300404) ; National Key Research and Development Program of China(2016YFA0300404) ; National Key Research and Development Program of China(2016YFA0300404) ; National Key Research and Development Program of China(2016YFA0300404) ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation of China(11404342 ; National Natural Science Foundation ; National Natural Science Foundation ; National Natural Science Foundation ; National Natural Science Foundation ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; Chinese Academy of Sciences' Large-Scale Scientific Facility(U1232139) ; JSPS KAKENHI(15H03681) ; JSPS KAKENHI(15H03681) ; JSPS KAKENHI(15H03681) ; JSPS KAKENHI(15H03681) ; JSPS fellowship(15F15023) ; JSPS fellowship(15F15023) ; JSPS fellowship(15F15023) ; JSPS fellowship(15F15023) ; 11674326) ; 11674326) ; 11674326) ; 11674326)
源URL[http://ir.hfcas.ac.cn:8080/handle/334002/31941]  
专题合肥物质科学研究院_中科院固体物理研究所
作者单位1.Univ Tokyo, Inst Solid State Phys, Kashiwanoha 5-1-5, Kashiwa, Chiba 2778581, Japan
2.Chinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China
3.Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China
4.Chinese Acad Sci, Inst Solid State Phys, Key Lab Mat Phys, Hefei 230031, Peoples R China
5.Univ Electrocommun, Dept Engn Sci, Chofu, Tokyo 1828585, Japan
6.Chinese Acad Sci, High Magnet Field Lab, Hefei 230031, Peoples R China
7.Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Jiangsu, Peoples R China
推荐引用方式
GB/T 7714		 Wang, Bosen,Liu, Yu,Ishigaki, Kento,et al. Pressure-induced bulk superconductivity in a layered transition-metal dichalcogenide 1T-tantalum selenium[J]. PHYSICAL REVIEW B,2017,95(22):1-6.
APA Wang, Bosen.,Liu, Yu.,Ishigaki, Kento.,Matsubayashi, Kazuyuki.,Cheng, Jinguang.,...&Uwatoko, Yoshiya.(2017).Pressure-induced bulk superconductivity in a layered transition-metal dichalcogenide 1T-tantalum selenium.PHYSICAL REVIEW B,95(22),1-6.
MLA Wang, Bosen,et al."Pressure-induced bulk superconductivity in a layered transition-metal dichalcogenide 1T-tantalum selenium".PHYSICAL REVIEW B 95.22(2017):1-6.

入库方式： OAI收割

来源：合肥物质科学研究院

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。