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Unformatted text preview: thermal velocity in the crystal –  Ballis[c transport, or hot electrons, are used in some devices for high speed performance J x = − qn vd J x = σEx = qnµn Ex 24 Drih Velocity for Various Materials Pearton, et. al. 25 Bonus Material The Hall Effect 27 The Hall Effect •  •  Used to precisely measure carrier concentra[on and mobility A magne[c field (Bz ) is applied perpendicular to the direc[on of hole drih (x- direc[on) in a p- type sample. –  Holes will experience a force...
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This note was uploaded on 03/06/2014 for the course ECE 340 taught by Professor Leburton during the Spring '11 term at University of Illinois, Urbana Champaign.

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