Abstract—Polycrystalline praseodymium orthoniobate, PrNbO4, has been studied by high-temperature X‑ray diffraction and differential scanning calorimetry. We have determined the temperature of the fergusonite–scheelite structural phase transition and shown it to… Click to show full abstract
Abstract—Polycrystalline praseodymium orthoniobate, PrNbO4, has been studied by high-temperature X‑ray diffraction and differential scanning calorimetry. We have determined the temperature of the fergusonite–scheelite structural phase transition and shown it to be a second-order transition.
               
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