Laser Action and Photodetection in Lead-tin Chalcogenides


Due to the crossover of the L: and LC states which has been proposed to explain the variation of the energy gap with composition and with temperature in Pbl -xSnzTe and Pbl-zSnzSe, semiconductors with an arbitrarily small energy gap can be obtained by suitably choosing the composition of either alloy. Since crystals with excellent homogeneity and good… (More)

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