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|Type:||Artigo de periódico|
|Title:||Temperature-dependent Raman spectroscopy study in MoO3 nanoribbons|
|Abstract:||This paper reports a study of vibrational, structural and morphological properties of molybdenum oxide nanoribbons. Temperature-dependent Raman spectroscopy measurements in MoO3 nanoribbons revealed morphological changes in the 150350?degrees C temperature range. No structural phase transitions were observed, thus showing that the orthorhombic phase is stable from room temperature (nanoribbons) up to 650?degrees C (bulk-like phase) where large plates have been formed by the coalescence of the nanoribbons. The interpretation of temperature-dependent Raman data (wavenumber and linewidths) is supported by scanning electron microscopy that is used to directly probe the morphological changes in MoO3 samples. The observed phenomena in the Raman data for MoO3 nanoribbons can be applied to other nanomaterials. Copyright (c) 2012 John Wiley & Sons, Ltd.|
|Citation:||Journal Of Raman Spectroscopy. Wiley-blackwell, v. 43, n. 10, n. 1407, n. 1412, 2012.|
|Appears in Collections:||Unicamp - Artigos e Outros Documentos|
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