Energetics of nanoparticle oxides: Interplay between surface energy and polymorphism

Research output: Contribution to journalReview articlepeer-review

213 Scopus citations

Abstract

Many oxides tend to form different structures (polymorphs) for small particles. High temperature oxide melt solution calorimetry has been used to measure the enthalpy as a function of polymorphism and surface area for oxides of Al, Ti, and Zr. The results confirm crossovers in polymorph stability at the nanoscale. The energies of internal and external surfaces of zeolitic silicas with open framework structures are an order of magnitude smaller than those of oxides of normal density.

Original languageEnglish (US)
Pages (from-to)34-37
Number of pages4
JournalGeochemical Transactions
Volume4
DOIs
StatePublished - 2003
Externally publishedYes

ASJC Scopus subject areas

  • Geochemistry and Petrology

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