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High pressure in situ differential thermal analysis (DTA) was applied to study phase transitions of Na 0.5 Bi 0.5 TiO 3 (NBT) up to 5GPa. DTA analysis at room temperature with pressure as the variable indicated NBT samples have two pressure induced phase transformations at about 0.7GPa and 2.5GPa respectively. Below 0.7GPa, two temperature induced phase transitions could be...
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