Monday, February 11, 2013

Intrinsic spin noise in MgO magnetic tunnel junctions

(author unknown)



F. Delgado, K. Lopez, and R. Ferreira et al.

We consider two intrinsic sources of noise in ultra-sensitive magnetic field sensors based on MgO magnetic tunnel junctions, coming both from 25Mg nuclear spins (I = 5/2, 10% natural abundance) and S = 1 Mg-vacancies. While nuclear spins induce noise peaked in the MHz frequency range, the vacancie ... [Appl. Phys. Lett. 102, 063102 (2013)] published Mon Feb 11, 2013.



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