Structure-induced order-disorder transformation in Cd-Na liquid alloys

R. N. Singh, I. Ali*

*المؤلف المقابل لهذا العمل

نتاج البحث: المساهمة في مجلةمراجعة النظراء


The origins of the S-shaped entropy of mixing and order-disorder transformation in Cd-Na liquid alloys have been investigated within a first-principle approach of a pseudo-potential perturbation scheme with the Gibbs-Bogoliubov variation technique. We find that the deepening of the structure part of the entropy around the stoichiometric composition (c Na ∼ 0:33) is responsible for the S-shaped entropy and suggests the existence of short-range order in the liquid state. The role of the local-field correction function, G(q), of conduction electrons on the entropy of mixing is examined. The impact of G(q) on partial structure factors is more visible towards low q(q → 0) than at higher q.

اللغة الأصليةEnglish
الصفحات (من إلى)382-387
عدد الصفحات6
دوريةZeitschrift fuer Metallkunde/Materials Research and Advanced Techniques
مستوى الصوت97
رقم الإصدار4
حالة النشرPublished - أبريل 2006

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