Journal article
Competing pairing interactions responsible for the large upper critical field in a stoichiometric iron-based superconductor CaKFe4As4
- Abstract:
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The upper critical field of multiband superconductors is an important quantity that can reveal details about the nature of the superconducting pairing. Here we experimentally map out the complete upper-critical-field phase diagram of a stoichiometric superconductor, CaKFe4As4, up to 90 T for different orientations of the magnetic field and at temperatures down to 4.2K. The upper critical fields are extremely large, reaching values close to ∼3 Tc at the lowest temper...
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- Publication status:
- Published
- Peer review status:
- Peer reviewed
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(Version of record, 2.3MB)
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- Publisher copy:
- 10.1103/PhysRevB.101.134502
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Authors
Funding
+ Engineering and Physical Sciences Research Council
More from this funder
Grant:
EP/I017836/1
EP/I004475/1
Bibliographic Details
- Publisher:
- American Physical Society Publisher's website
- Journal:
- Physical Review B Journal website
- Volume:
- 101
- Article number:
- 134502
- Publication date:
- 2020-04-07
- Acceptance date:
- 2020-03-02
- DOI:
- EISSN:
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2469-9969
- ISSN:
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2469-9950
Item Description
- Language:
- English
- Keywords:
- Pubs id:
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1090714
- Local pid:
- pubs:1090714
- Deposit date:
- 2020-03-05
Terms of use
- Copyright holder:
- American Physical Society
- Copyright date:
- 2020
- Rights statement:
- © 2020 American Physical Society
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