Trapped flux in a small crystal of CaKFe4As4 at ambient pressure and in a diamond anvil pressure cell
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2024-05-13
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IOP Publishing Ltd
Abstract
In an extension of our previous work, (Bud'ko et al 2023 Supercond. Sci. Technol.36 115001) 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 (Minkov et al 2023 Nat. Phys.19 1293).
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This article is published as Bud’ko, Sergey L., Shuyuan Huyan, Mingyu Xu, and Paul C. Canfield. "Trapped flux in a small crystal of CaKFe4As4 at ambient pressure and in a diamond anvil pressure cell." Superconductor Science and Technology 37, no. 6 (2024): 065010. doi: https://doi.org/10.1088/1361-6668/ad45c7.
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© 2024 The Author(s). This is an open-access article. Original content from this work may be used under the terms of the Creative Commons Attribution 4.0 license. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI.