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Measurement of kappa in high Tc superconductors (1991)

Karim, R. ; How, H. ; Vittoria, C. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 69 (1991), S. 4143-4145

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: The experimental magnetic-field derivative of the microwave absorption signal, obtained using electron paramagnetic resonance techniques, has a line shape that depends on the Ginzburg–Landau model parameter κ of the superconducting sample at a given temperature. The type-II superconducting equation of state can be utilized to describe the drop in the output microwave power derivative, from its maximum at H (approximately-equal-to) Hc1 to its much lower values when H (very-much-greater-than) Hc1, in order to estimate the values of κ. The technique also allows for the experimental determination of hysteretic behavior in B as a function of H.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.348432

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