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Observation of a Ub...
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Dong, YuNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
Observation of a Ubiquitous (π, π)-Type Nematic Superconducting Order in the Whole Superconducting Dome of Ultra-Thin BaFe2–xNixAs2 Single Crystals
- Artikel/kapitelEngelska2021
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Institute of Physics Publishing (IOPP),2021
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LIBRIS-ID:oai:DiVA.org:uu-458329
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https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-458329URI
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https://doi.org/10.1088/0256-307X/38/9/097401DOI
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Språk:engelska
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Sammanfattning på:engelska
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Title in WoS: Observation of a Ubiquitous (pi, pi)-Type Nematic Superconducting Order in the Whole Superconducting Dome of Ultra-Thin BaFe2-x Ni x As2 Single Crystals
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In iron-based superconductors, the (0, pi) or (pi, 0) nematicity, which describes an electronic anisotropy with a four-fold symmetry breaking, is well established and believed to be important for understanding the superconducting mechanism. However, how exactly such a nematic order observed in the normal state can be related to the superconducting pairing is still elusive. Here, by performing angular-dependent in-plane magnetoresistivity using ultra-thin flakes in the steep superconducting transition region, we unveil a nematic superconducting order along the (pi, pi) direction in electron-doped BaFe2 - x Ni x As2 from under-doped to heavily overdoped regimes with x = 0.065-0.18. It shows superconducting gap maxima along the (pi, pi) direction rotated by 45 degrees from the nematicity along (0, pi) or (pi, 0) direction observed in the normal state. A similar (pi, pi)-type nematicity is also observed in the under-doped and optimally doped hole-type Ba1 - y K y Fe2As2, with y = 0.2-0.5. These results suggest that the (pi, pi) nematic superconducting order is a universal feature that needs to be taken into account in the superconducting pairing mechanism in iron-based superconductors.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Lv, YangyangNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Xu, ZuyuNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Abdel-Hafiez, MahmoudUppsala universitet,Energimaterialens fysik,Natl Univ Sci & Technol MISiS, Moscow 119049, Russia(Swepub:uu)mahha746
(författare)
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Vasiliev, A. N.Natl Univ Sci & Technol MISiS, Moscow 119049, Russia.;Moscow MV Lomonosov State Univ, Moscow 119991, Russia.
(författare)
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Zhu, HaipengHuazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.;Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
(författare)
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Wang, JunfengHuazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.;Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
(författare)
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Li, LiangHuazhong Univ Sci & Technol, Wuhan Natl High Magnet Field Ctr, Wuhan 430074, Peoples R China.;Huazhong Univ Sci & Technol, Sch Phys, Wuhan 430074, Peoples R China.
(författare)
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Tian, WanghaoNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Chen, WeiNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Bao, SongNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Wang, JinghuiNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Wu, YueshenShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai 201210, Peoples R China.;ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China.
(författare)
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Huang, YulongChinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
(författare)
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Li, ShiliangChinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
(författare)
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Yuan, JieChinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
(författare)
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Jin, KuiChinese Acad Sci, Beijing Natl Lab Condensed Matter Phys, Beijing 100190, Peoples R China.;Chinese Acad Sci, Inst Phys, Beijing 100190, Peoples R China.
(författare)
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Zhang, LabaoNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.
(författare)
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Wang, HuabingNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.
(författare)
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Yu, Shun-LiNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Wen, JinshengNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Li, Jian-XinNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.
(författare)
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Li, JunNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;ShanghaiTech Univ, ShanghaiTech Lab Topol Phys, Shanghai 201210, Peoples R China.;ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 201210, Peoples R China.
(författare)
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Wu, PeihengNanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Univ Sci & Technol China, Synerget Innovat Ctr Quantum Informat & Quantum P, Hefei 230026, Peoples R China.
(författare)
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Nanjing Univ, Sch Elect Sci & Engn, Nanjing 210093, Peoples R China.;Nanjing Univ, Sch Phys, Nanjing 210093, Peoples R China.;Nanjing Univ, Natl Lab Solid State Microstruct, Nanjing 210093, Peoples R China.;Nanjing Univ, Collaborat Innovat Ctr Adv Microstruct, Nanjing 210093, Peoples R China.Energimaterialens fysik
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Chinese Physics Letters: Institute of Physics Publishing (IOPP)38:90256-307X1741-3540
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Dong, Yu
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Lv, Yangyang
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Xu, Zuyu
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Abdel-Hafiez, Ma ...
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Vasiliev, A. N.
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Zhu, Haipeng
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Wang, Junfeng
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Li, Liang
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Tian, Wanghao
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Chen, Wei
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Bao, Song
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Wang, Jinghui
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Wu, Yueshen
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Huang, Yulong
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Li, Shiliang
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Yuan, Jie
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Jin, Kui
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Zhang, Labao
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Wang, Huabing
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Yu, Shun-Li
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Wen, Jinsheng
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Li, Jian-Xin
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Li, Jun
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Wu, Peiheng
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