Trapped flux in a small crystal of CaKFe4As4 at ambient pressure and in a diamond anvil pressure cell

Bud'ko, Sergey L.; Huyan, Shuyuan; Xu, Mingyu; Canfield, Paul C.

doi:10.1088/1361-6668/ad45c7

Title: Trapped flux in a small crystal of CaKFe₄As₄ at ambient pressure and in a diamond anvil pressure cell

Journal Article · 29 April 2024 · Superconductor Science and Technology

DOI: https://doi.org/10.1088/1361-6668/ad45c7 · OSTI ID:2345928

^[1]; Huyan, Shuyuan ^[1]; Xu, Mingyu ^[2];

^[3]

Ames Laboratory, and Iowa State Univ., Ames, IA (United States)
Ames Laboratory (AMES), Ames, IA (United States)
Iowa State Univ., Ames, IA (United States)

In an extension of our previous work, the measurements of temperature dependent magnetization associated with trapped magnetic flux in a small single crystal of CaKFe₄As₄, using zero - field - cooled and field - cooled protocols were performed, on the same crystal, at ambient pressure without a pressure cell and at 2.2 GPa in a commercial diamond anvil cell (DAC), showing comparable results. The data show that with a proper care and understanding, trapped flux measurements in superconductors indeed can be performed on samples in DACs under pressure, as was done on superhydrides.

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Research Organization:: Ames Laboratory (AMES), Ames, IA (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES). Materials Sciences & Engineering Division (MSE)

Grant/Contract Number:: AC02-07CH11358

OSTI ID:: 2345928

Report Number(s):: IS-J--11,326; {"","Journal ID: ISSN 0953-2048"}

Journal Information:: Superconductor Science and Technology, Journal Name: Superconductor Science and Technology Journal Issue: 6 Vol. 37; ISSN 0953-2048

Publisher:: IOP PublishingCopyright Statement

Country of Publication:: United States

Language:: English

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Title: Trapped flux in a small crystal of CaKFe₄As₄ at ambient pressure and in a diamond anvil pressure cell