Publication: THE STUDY ON TEMPERATURE-DEPENDENT SURFACE CRITICAL MAGNETIC FIELD OF IRON-BASED SUPERCONDUCTORS
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Issued Date
2023
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Scopus
Bibliographic Citation
Suranaree Journal of Science and Technology. Vol 30, No.4 (2023)
Suggested Citation
Meakniti S., Udomsamuthirun P., Changjan A., Kruaehong T. THE STUDY ON TEMPERATURE-DEPENDENT SURFACE CRITICAL MAGNETIC FIELD OF IRON-BASED SUPERCONDUCTORS. Suranaree Journal of Science and Technology. Vol 30, No.4 (2023). doi:10.55766/sujst-2023-04-e02414 Retrieved from: https://hdl.handle.net/20.500.14740/12597
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Abstract
The upper critical magnetic field (Hc2) is one of the important properties of superconductors in external magnetic field. The higher magnetic field strength, the more superconductivity is maintained. However, the surface critical magnetic field (Hc3) is larger than upper critical magnetic field which the ratio of Hc3 to Hc2 is constant. In this study, we investigated the surface critical magnetic field of the iron-based superconductor using Ginzburg-Landau’s anisotropic two-band method. The surface critical magnetic field was calculated with four temperature-dependent models. Our analytical formula of the surface critical magnetic field obtains the temperature parameters. Finally, the numerical calculation was applied to the experimental data of iron-based superconductors © (2023), (Suranaree University of Technology). All Rights Reserved.