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Advanced Physics Homework Help
Find the Schottky diode barrier height and the ideality....
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[QUOTE="Poirot, post: 5460881, member: 587460"] [h2]Homework Statement [/h2] Using the diode equation with moderate forward bias, show numerically how to find the Schottky diode barrier height and the ideality factor via a graphical plot. [h2]Homework Equations[/h2] I = I[SUB]0[/SUB]e[SUP](eV/nkT)[/SUP] I[SUB]0[/SUB]= AA[SUP]*[/SUP]T[SUP]2[/SUP]e[SUP]-eφ[SUB]b[/SUB]/kT[/SUP] with n= ideality factor and φ[SUB]b[/SUB]= Barrier height [h2]The Attempt at a Solution[/h2] I tried to look at the plot of ln(I) against V and assumed this would be a straight line graph and so the gradient can be rearranged such that n= eV/kT (ln(I/I[SUB]0[/SUB])). And also they y intercept would just be ln (I[SUB]0[/SUB]) and I can use this to rearrange and find the barrier height. I'm not sure if any of this is right, I don't like that I've had to assume a straight line graph, any guidance would be much appreciated! Thanks [/QUOTE]
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Find the Schottky diode barrier height and the ideality....
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