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Gallium nitride has been prepared from gallium oxide and ammonia at temperatures from 600° to 1100°C. The emission of various preparations under cathode ray excitation has been investigated. Dissociation studies indicate the thermal instability of at temperatures as low as 600°C. Observed emission spectra are discussed in terms of preparation temperature and dissociation.
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Lorenz et al. (1962) studied this question.
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