Low-frequency magnetic noise in micron-scale magnetic tunnel junctions

S. Ingvarsson*, Gang Xiao, S. S.P. Parkin, W. J. Gallagher, G. Grinstein, R. H. Koch

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

123 Citations (Scopus)


Measurements of low-frequency magnetic noise in ferromagnetic tunnel junctions (MTJ) were carried out. The measurements were facilitated by the linear relation between the conductance and the magnetization. Overall, the results indicate that to curtail the low-frequency noise in MTJs, it is importance to enhance the thermal stability of the magnetization by reducing the activated motion of domain walls and the associated susceptibility.

Original languageEnglish
Pages (from-to)3289-3292
Number of pages4
JournalPhysical Review Letters
Issue number15
Publication statusPublished - 9 Oct 2000


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