On the phase transitions in silver niobate AgNbO3

Abstract
From X-ray and DTA studies a series of phase transitions in AgNbO3 at 333K, 510K, 609K, 643K,861K has been observed. The existence of some of the phase transitions has been confirmed by domain structure investigations. e(T) and tan δ (T) variations are discussed from the point of view of the phase transitions.

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