Please use this identifier to cite or link to this item: https://doi.org/10.1109/TMAG.2012.2212024
Title: Electromigration in giant magnetoresistance spin valve read sensors under pulsed dc magnetic field: An analytical and numerical study
Authors: Zeng, D.G.
Lee, K.-I.
Chung, K.-W.
Bae, S. 
Keywords: Black's equation
electromigration (EM)
giant magnetoresistance spin valve (GMR SV) read sensor
pulsed direct current (dc) magnetic field
Issue Date: 2013
Citation: Zeng, D.G., Lee, K.-I., Chung, K.-W., Bae, S. (2013). Electromigration in giant magnetoresistance spin valve read sensors under pulsed dc magnetic field: An analytical and numerical study. IEEE Transactions on Magnetics 49 (2) : 845-850. ScholarBank@NUS Repository. https://doi.org/10.1109/TMAG.2012.2212024
Abstract: A theoretical model is proposed to investigate the electromigration (EM) behavior in giant magnetoresistance spin valve (GMR SV) read sensors under pulsed direct current (dc) magnetic field during sensor operation. It was found that the externally applied magnetic field gives rise to a more severe Joule heating and consequently raises the device temperature leading to EM acceleration. Black's equation was modified based on Green's function method and the Boltzmann equation to more precisely interpret the EM mean time to failure (MTTF) of GMR SV read sensors under pulsed dc magnetic field. The physical validity of this proposed model was confirmed by the comparisons with experimental results. © 1965-2012 IEEE.
Source Title: IEEE Transactions on Magnetics
URI: http://scholarbank.nus.edu.sg/handle/10635/55849
ISSN: 00189464
DOI: 10.1109/TMAG.2012.2212024
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