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Home List of Titles Formation of amorphous sapphire by a femtosecond laser pulse induced micro-explosion
Please use this identifier to cite or link to this item: http://hdl.handle.net/1959.3/192822
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- Formation of amorphous sapphire by a femtosecond laser pulse induced micro-explosion
- Mizeikis, Vygantas; Kimura, Shigeru; Surovtsev, Nikolay V.; Jarutis, Vygandas; Saito, Akira; Misawa, Hiroaki; Juodkazis, Saulius
- We report on structural characterization of void-structures created by a micro-explosion at the locus of a tightly focused femtosecond laser pulse inside the crystalline phase of Al2O3 (R3c space group). The transmission electron microscopy (TEM), micro-X-ray diffraction (XRD) analysis, and Raman scattering revealed a presence of strongly structurally modified amorphous regions around the void-structures. We discuss issues of achieving the required resolution for structural characterization and assignment of newly formed phases of nano-crystallites by TEM, XRD, and Raman scattering from micro-volumes of modified materials enclosed inside the bulk of the host phase.
- Publication type
- Journal article
- Applied Surface Science: proceedings of the Sixth International Conference on Photo-Excited Processes and Applications (6-ICPEPA), Sapporo, Japan, 09-12 September 2008, Vol. 255, no. 24 (Sep 2009), pp. 9745-9749
- Publication year
- FOR Code(s)
- 0204 Condensed Matter Physics; 0912 Materials Engineering
- Phase-transitions; Laser nano-fabrication; Shock waves; Sapphire; Synchrotron X-rays
- Elsevier B.V.
- Publisher URL
- Copyright © 2009 Elsevier B.V. The accepted manuscript is reproduced in accordance with the copyright policy of the publisher.
- Full text
- Peer reviewed