Solution of problem Arpan Deyasi Separate the two Nanoelectronic How? Doping is done in one region and Mobile carriers will subsequently migrate Device into another region Process is known as modulation doping Arpan Deyasi, India 3Ĭarrier separation Arpan Deyasi Ionized donors Metal Nanoelectronic Metal Free Device electrons Undoped AlGaAs buffer AlGaAs donor layer GaAs well Arpan Deyasi, India 4 Problems in conventional transistor Arpan Deyasi Scattering between donors/acceptors and mobile carriers Nanoelectronic D Impurity scattering Device M.C High noise Arpan Deyasi, India 2
Course: Nanoelectronic Device Arpan Deyasi High Electron Mobility Transistor Nanoelectronic Device Arpan Deyasi RCCIIT, India Arpan Deyasi, India 1
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