An investigation of the magnetic state dependent low frequency noise in magnetic tunnel junctions

Feng Guo, Greg McKusky, E D Dahlberg

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13 Scopus citations

Abstract

The low frequency noise in magnetic tunnel junctions was studied as a function of applied magnetic field. In magnetic states where the magnetization is reversing, the measurement indicates a 1/ f2 spectrum whereas at all other applied fields a 1/f spectrum is observed. The 1/ f2 spectra are found to be an artifact of the magnetic after effect. Without the artificial influence of the magnetic after effect, only 1/f spectra are observed.

Original languageEnglish (US)
Article number062512
JournalApplied Physics Letters
Volume95
Issue number6
DOIs
StatePublished - Aug 27 2009

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