Magnetization reversal of individual nanowires with controlled defects

A. Sokolov, R. Sabirianov, W. Wernsdorfer, B. Doudin

Research output: Contribution to journalArticlepeer-review

7 Scopus citations


Low temperature magnetization reversal measurements were performed on individual permalloy nanowires of diameters between 30 and 60 nm. During the electrochemical growth of the wire, a defect was induced by a short pulse in the deposition potential modifying locally the microstructure and composition. Magnetic measurements performed with micro-superconducting quantum interference devices were performed. The angular dependence of switching field revealed significant deviations from classical predictions. For specific angles, magnetization curves indicate a reversal occurring in two steps.

Original languageEnglish (US)
Pages (from-to)7059-7061
Number of pages3
JournalJournal of Applied Physics
Issue number10 I
StatePublished - May 15 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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