Magnetostriction measurements have been performed at various temperatures on superconducting MgB2using the three-terminal capacitance technique in magnetic fields up to 12T. The obtained results were analyzed in the framework of the pinning-induced model of magnetostriction. The performed scaling analysis of the obtained experimental data suggests that the pinning mechanism responsible for the magnetostriction in MgB2is unique over a broad temperature region below the critical temperature. © 2002 Elsevier Science B.V. All rights reserved.
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