Electron Mobility Calculations for Fe-Doped InP
Calculations are presented of Hall mobility and geometrical magnetoresistance mobility for n-type InP compensated with Fe. From an analysis of electrical measurements and a spectrochemical analysis to determine the Fe content of InP slices we conclude that in some cases only a small percentage of the Fe contained is electrically active as an electron acceptor, suggesting redundancy of the incorporated Fe. Analysis of Fe concentration estimates based on the segregation coefficient seems to give a better measure of the electrical activity of Fe than the total concentration of Fe, although the value quoted by Henry and Swiggard does not seem universally applicable to all growth conditions.
KeywordsHall Mobility Segregation Coefficient Fermi Level Position Liquid Encapsulate Czochralski Hall Factor
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