Threefold representation of M-N-O systems as a guide to predict mechanosynthesis of M-N nanocrystals

H. Rojas-Chávez, F. Reyes-Carmona, L. Huerta, D. Jaramillo-Vigueras

Research output: Contribution to journalConference articlepeer-review

1 Scopus citations

Abstract

A method is proposed to forecast how micrometric powders are converted on intermetallic nanocrystals by high-energy milling. Mixtures of MO-N or M-N as precursors were processed to obtain PbTe or PbSe. This transformation takes place by oxidizing highly reactive chalcogens such as Se or Te and reoxidation of PbO to form Pb complex chalcoxides. In the latter phases Te or Se share electrons to act as TeIV or SeIV, PbTeO3 or PbSeO3. Once that state is completed, the reduction state manifests itself as an amorphous precipitation of phases. The final stage is traced as high purity nanocrystals.

Original languageEnglish
Article number012028
JournalIOP Conference Series: Materials Science and Engineering
Volume45
Issue number1
DOIs
StatePublished - 2013
Externally publishedYes
Event3rd Congress on Materials Science and Engineering, CNCIM-Mexico 2012 - Merida, Yucatan, Mexico
Duration: 27 Feb 20122 Mar 2012

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