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Ba(1−x)Sr(x)Zn(2)Si(2)O(7) - A new family of materials with negative and very high thermal expansion

The compound BaZn(2)Si(2)O(7) shows a high coefficient of thermal expansion up to a temperature of 280 °C, then a transition to a high temperature phase is observed. This high temperature phase exhibits negative thermal expansion. If Ba(2+) is successively replaced by Sr(2+), a new phase with a stru...

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Detalles Bibliográficos
Autores principales: Thieme, Christian, Görls, Helmar, Rüssel, Christian
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group 2015
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4678302/
https://www.ncbi.nlm.nih.gov/pubmed/26667989
http://dx.doi.org/10.1038/srep18040