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Magnetization of imperfect superconducting grains

R. L. Peterson

DOI 10.1103/PhysRevB.40.2678 · Physical Review B

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Abstract

A critical-state theory of the magnetization of superconducting grains containing nonsuperconducting regions is presented which shows that the thickness of the sheath of supercurrents around these regions can be more important than the grain dimension in determining the magnetization. This may explain some apparently conflicting results on the magnetization of high-Tc powders of different sizes.

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FormulaReported Tc (K)Pressure (GPa)Type
YBa2Cu3O

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—Pressure not reportedunknown

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