Vortex-lattice melting in Nb

Matthew F. Schmidt, N. E. Israeloff, A. M. Goldman

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Detailed measurements and analysis of the temperature and magnetic field dependence of the magnetization and the magnetic relaxation of Nb films have been carried out. An irreversibility line has been identified, below which the remanent magnetization was found to decay logarithmically in time. The data were quantitatively compared to predictions of flux creep, vortex glass, and vortex-lattice-melting models. Only the vortex-lattice-melting model self-consistently explained the data.

Original languageEnglish (US)
Pages (from-to)2162-2165
Number of pages4
JournalPhysical review letters
Issue number14
StatePublished - 1993


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