Self-Oscillations of Current Density upon Nonequilibrium Electronic Phase Transition in Nearly Magnetic FeSi

A.G. Volkov; A.N. Cherepanova

doi:10.4028/www.scientific.net/SSP.168-169.296

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Self-Oscillations of Current Density upon Nonequilibrium Electronic Phase Transition in Nearly Magnetic FeSi
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HomeSolid State PhenomenaSolid State Phenomena Vols. 168-169Self-Oscillations of Current Density upon...

Self-Oscillations of Current Density upon Nonequilibrium Electronic Phase Transition in Nearly Magnetic FeSi

Abstract:

Within an sd-model involving a spin-fluctuation method, the behavior of strong-paramagnetic semiconductor FeSi in strong electrical field is numerically investigated. It is established that due to the self-heat phenomenon there exists a bi-stable state, and the (I-U)-characteristic is S-like in shape. It is shown that in the bistable area there arise current self-oscillations at a constant voltage.

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Solid State Phenomena (Volumes 168-169)

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296-299

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https://doi.org/10.4028/www.scientific.net/SSP.168-169.296

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December 2010

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A.G. Volkov, A.N. Cherepanova

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