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Phase transformation in laser-induced micro-explosion in olivine (Fe,Mg)2SiO4

Buividas, R.; Gervinskas, Gediminas; Tadich, Anton; Cowie, Bruce C. C.; Mizeikis, Vyngantas; Vailionis, Arturas; de Ligny, Dominique; Gamaly, Eugene G; Rode, Andrei V; Juodkazis, Saulius


We show that micro-explosions generated by tightly focused single pulses of a femtosecond laser in olivine have produced change of iron valence state. Chemical and structural changes were investigated using synchrotron X-ray spectroscopy, and Raman scattering. Near edge X-ray absorption fine structure (NEXAFS) spectra from laser-affected zone of olivine crystal indicate a modified chemical bonding and a possible formation of regions containing a new crystalline phases of iron. Raman scattering...[Show more]

CollectionsANU Research Publications
Date published: 2014
Type: Journal article
Source: Advanced Engineering Materials
DOI: 10.1002/adem.201400091


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