Assertion: substitutional impurity | /r/HasAspect | high formation enthalpies
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Source sentences:
text: that anti-site substitutional impurities such as Zr\({}_{{\rm{Te}}}\), Se\({}_{{\rm{Cd}}}\), and Na\({}_{{\rm{S}}}\) have high formation enthalpies and would be unstable, whereas other impurities like Ag\({}_{{\rm{Cd}}}\), S\({}_{{\rm{Te}}}\), and Br\({}_{{\rm{S}}}\) have much lower formation enthalpies.