New Phenomena in Incommensurate Barium Sodium Niobate: Memory and Relaxation Effects
We report the observation of two new effects in the incommensurate phase of Barium Sodium Niobate : a relaxation and a memory effect. These very large effects are assumed to be induced by a straong interaction between the incommensurate modulation and slightly mobile defects.
KeywordsMemory Effect Limit Curve Thermal Hysteresis Incommensurate Phase Mobile Defect
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