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Structural and thermal properties of a Bi nano-plane embedded in amorphous germanium

AuthorsHaro-Poniatowski, E. ; Serna, Rosalía ; Afonso, Carmen N. ; Jouanne, J.; Morhange, J. F.; Suárez García, A.
Keywords[PACS] Pulsed laser ablation deposition
[PACS] Phase transitions: general studies
[PACS] Infrared and Raman spectra
Issue Date26-Jul-2004
CitationApplied Physics A: Materials Science and Processing, 79(4-6):1299–1302 (2004)
AbstractThe synthesis by pulsed laser deposition of a bismuth nano-plane embedded in an amorphous germaniummatrix is reported. The structural changeswere studied by Raman spectroscopy as a function of temperature. Upon heating, the Bi nano-plane melts and, as the sample is cooled, it re-crystallizes at a temperature well below the melting point. The results show a broad melting–solidification hysteresis cycle (170 K) that is compared to the ones obtained earlier on nanoparticles. Furthermore, a metal-induced crystallization effect was also observed in the germanium matrix.
Description4 pags. ; 3 figs.
Publisher version (URL)http://dx.doi.org/10.1007/s00339-004-2755-2
Appears in Collections:(CFMAC-IO) Artículos
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