Growth from the Vapor of Large Single Crystals of Lead Selenide of Controlled Composition

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Abstract
Lead selenide crystals have been grown by sublimation using a technique in which almost the whole charge of a few grams is frequently converted into only one single crystal. A substantial measure of control of the Pb:Se ratio of the resulting crystals is achieved by independent control of the partial vapor pressure of selenium during growth, giving carrier concentrations more than an order lower than has been achieved in crystals grown from the melt.