2009.01.21-ECE659-L4-notes

2009.01.21-ECE659-L4-notes - ECE 659 Quantum Transport:...

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ECE 659 Quantum Transport: Atom to Transistor Lecture 4: Landauer Model Supriyo Datta Spring 2009 Notes prepared by Samiran Ganguly
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S D L Vd Vg E μ1 μ 1-μ2=qVd γ ( 29( 29 1 2 q I dET E f f h = - μ1 μ2 D(E) μ2 f1(E) f2(E) Energy lost = μ1-μ2=qVd ( 29 2 q f G dE T E h E = - Usual expression v , n A q G qn L m μ σ τ = = gives the idea that all electrons conduct V v 2 z z v Dv T M L λ = +
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Limits of linearity of I-V characteristics E-μ<kT Limit of non linearity: 25 2.5 / 0.1 mV KV cm m μ = Breakdown fields: 5 1 10 / 0.1 V V cm m = Series of Landauer devices:
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This note was uploaded on 01/30/2011 for the course ECE 659 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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2009.01.21-ECE659-L4-notes - ECE 659 Quantum Transport:...

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