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Switching-probability distribution of spin-torque switching in MgO-based magnetic tunnel junctions
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10.1063/1.3637545
/content/aip/journal/apl/99/11/10.1063/1.3637545
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/11/10.1063/1.3637545
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Figures

Image of FIG. 1.
FIG. 1.

(Color online) Part of the time-evolution of P sw in MTJ cells. (a)Bold (blue in color) and thin (red in color) lines represent the majority (I set = 0.85 mA) and minority (I set = 0.96 mA) samples, respectively. (b)–(c) The majority (minority) sample shows a single (multiple) peak(s) at P sw of about 0.47 (P sw of about 0.46, 0.52, and 0.63). Black lines represent Gaussian fits. The difference of the main peak positions between the cases of (b) and (c) is due to the different I set.

Image of FIG. 2.
FIG. 2.

(Color online) (a)–(c) Histograms of P sw at I set of 0.90, 0.95, and 1.00 mA. Vertical axes are in the logarithmic scale. The main peak and subpeak at higher probability are labeled A and B, respectively. (d) Peak positions of the two prominent peaks, A and B, as a function of I set. Lines represent fit based on the thermally activated spin-torque switching model.

Image of FIG. 3.
FIG. 3.

(Color online) Histogram of lifetime (t life) of P sw of below 0.55 (A) and P sw of above 0.55 (B). Lines are least-square fits to the Poisson process. The inset shows the definition of t life A and t life B.

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/content/aip/journal/apl/99/11/10.1063/1.3637545
2011-09-16
2014-04-23
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Switching-probability distribution of spin-torque switching in MgO-based magnetic tunnel junctions
http://aip.metastore.ingenta.com/content/aip/journal/apl/99/11/10.1063/1.3637545
10.1063/1.3637545
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