Dear All, I read some research works on V-I characteristics of Graphene based nanoelectronic devices. I cam to know that QE was used to determine Transmission coefficients for different energies. And then NanoTCad Vides etc. packages were used to find V-I curve. Why is it so? Can't we get current directly using QE (using Landauer Buttiker formula)? Somebody please clarify this point, so that we can get started with learning this.
Regards, -- *Dr. Siddheshwar chopra,* *M.Sc., Ph.D (Physics)Assistant Professor (Physics),* *Amity University, Noida, India.*
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