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Abnormal increase in ferromagnetic resonance amplitude just before the breakdown in tunnel magnetoresistive heads
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10.1063/1.2834718
/content/aip/journal/jap/103/7/10.1063/1.2834718
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2834718
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

One type of characteristic PSD curves as a function of burning current: (a) measured at after sensor has experienced various burning currents ; (b) measured at various burning currents.

Image of FIG. 2.
FIG. 2.

vs curves derived from PSD curves after sensor has experienced different burning currents. Filled triangles, without experiencing any large burning current (before ); open circles, after experiencing (after ); open squares, after experiencing (after ).

Image of FIG. 3.
FIG. 3.

Tunneling resistance and TMR measured at as a function of burning current, showing that pinholes grow after the burning current is slightly larger than .

Image of FIG. 4.
FIG. 4.

Another type of characteristic vs curves after the TMR heads have experienced different maximum burning currents, showing no abnormal peak before and after the breakdown.

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/content/aip/journal/jap/103/7/10.1063/1.2834718
2008-02-06
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Abnormal increase in ferromagnetic resonance amplitude just before the breakdown in tunnel magnetoresistive heads
http://aip.metastore.ingenta.com/content/aip/journal/jap/103/7/10.1063/1.2834718
10.1063/1.2834718
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