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Evaporated single crystal films of gold-palladium alloys were studied by electron diffraction, compositions of the alloys widely ranging from 10 to 60 atomic per cent palladium. An ordered phase with the Cu 3 Au type structure was found to exist in the region of composition around 25 atomic per cent palladium. The order-disorder transformation seems to occur at about 850°C in the films of this composition range.
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Nagasawa et al. (1965) studied this question.
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