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Anisotropic superco...
Anisotropic superconductivity in the spin-vortex antiferromagnetic superconductor CaK(Fe0.95Ni0.05)4As4
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- Benito Llorens, José (författare)
- Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Lab Bajas Temperaturas & Altos Campos Magnet, Dept Fis Mat Condensada,Inst Nicolas Cabrera, E-28049 Madrid, Spain.;Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain
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- Herrera, Edwin (författare)
- Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Lab Bajas Temperaturas & Altos Campos Magnet, Dept Fis Mat Condensada,Inst Nicolas Cabrera, E-28049 Madrid, Spain.;Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain
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- Barrena, Víctor (författare)
- Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Lab Bajas Temperaturas & Altos Campos Magnet, Dept Fis Mat Condensada,Inst Nicolas Cabrera, E-28049 Madrid, Spain.;Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain
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- Wu, Beilun (författare)
- Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Lab Bajas Temperaturas & Altos Campos Magnet, Dept Fis Mat Condensada,Inst Nicolas Cabrera, E-28049 Madrid, Spain.;Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain
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- Heinsdorf, Niclas (författare)
- Goethe Univ Frankfurt, Inst Theoret Phys, Max von Laue Str 1, D-60438 Frankfurt, Germany
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- Borisov, Vladislav (författare)
- Uppsala universitet,Materialteori,Goethe Univ Frankfurt, Inst Theoret Phys, Max von Laue Str 1, D-60438 Frankfurt, Germany
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- Valentí, Roser (författare)
- Goethe Univ Frankfurt, Inst Theoret Phys, Max von Laue Str 1, D-60438 Frankfurt, Germany
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- Meier, William R. (författare)
- Ames Lab, Ames, IA 50011 USA; Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
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- Bud'ko, Sergey (författare)
- Ames Lab, Ames, IA 50011 USA; Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
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- Canfield, Paul C. (författare)
- Ames Lab, Ames, IA 50011 USA; Iowa State Univ, Dept Phys & Astron, Ames, IA 50011 USA
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- Guillamón, Isabel (författare)
- Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Lab Bajas Temperaturas & Altos Campos Magnet, Dept Fis Mat Condensada,Inst Nicolas Cabrera, E-28049 Madrid, Spain.;Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain
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- Suderow, Hermann (författare)
- Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Lab Bajas Temperaturas & Altos Campos Magnet, Dept Fis Mat Condensada,Inst Nicolas Cabrera, E-28049 Madrid, Spain.;Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain
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Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Lab Bajas Temperaturas & Altos Campos Magnet, Dept Fis Mat Condensada,Inst Nicolas Cabrera, E-28049 Madrid, Spain;Univ Autonoma Madrid, Unidad Asociada UAM CSIC, Condensed Matter Phys Ctr IFIMAC, E-28049 Madrid, Spain Goethe Univ Frankfurt, Inst Theoret Phys, Max von Laue Str 1, D-60438 Frankfurt, Germany (creator_code:org_t)
- American Physical Society, 2021
- 2021
- Engelska.
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Ingår i: Physical Review B. - : American Physical Society. - 2469-9950 .- 2469-9969. ; 103:6
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- High critical temperature superconductivity often occurs in systems where an antiferromagnetic order is brought near T=0 K by slightly modifying pressure or doping. CaKFe4As4 is a superconducting, stoichiometric iron-pnictide compound showing optimal superconducting critical temperature with Tc as large as 35 K. Doping with Ni induces a decrease in Tc and the onset of spin-vortex crystal (SVC) antiferromagnetic order, which consists of spins pointing inwards to or outwards from alternating As sites on the diagonals of the in-plane square Fe lattice. Here we study the band structure of CaK(Fe0.95Ni0.05)4As4 (Tc=10 K, TSVC=50 K) using quasiparticle interference with a scanning tunneling microscope and show how the SVC modifies the band structure and induces a fourfold superconducting gap anisotropy.
Ämnesord
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
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Benito Llorens, ...
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Herrera, Edwin
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Barrena, Víctor
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Wu, Beilun
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Heinsdorf, Nicla ...
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Borisov, Vladisl ...
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Valentí, Roser
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Meier, William R ...
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Bud'ko, Sergey
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Canfield, Paul C ...
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Guillamón, Isabe ...
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Suderow, Hermann
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