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Temperature Dependent Variations of Phonon Interactions in Nanocrystalline Cerium Oxide
Joint Authors
Dogra Pandey, Sugandha
Singh, Jasveer
Samanta, K.
Dilawar Sharma, Nita
Bandyopadhyay, A. K.
Source
Issue
Vol. 2015, Issue 2015 (31 Dec. 2015), pp.1-6, 6 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2015-04-23
Country of Publication
Egypt
No. of Pages
6
Main Subjects
Abstract EN
The temperature dependent anharmonic behavior of the phonon modes of nanocrystalline CeO2 was investigated in the temperature range of 80–440 K.
The anharmonic constants have been derived from the shift in phonon modes fitted to account for the anharmonic contributions as well as the thermal expansion contribution using the high pressure parameters derived from our own high pressure experimental data reported previously.
The total anharmonicity has also been estimated from the true anharmonicity as well as quasiharmonic component.
In the line-width variation analysis, the cubic anharmonic term was found to dominate the quartic term.
Finally, the phonon lifetime also reflected the trend so observed.
American Psychological Association (APA)
Dogra Pandey, Sugandha& Singh, Jasveer& Samanta, K.& Dilawar Sharma, Nita& Bandyopadhyay, A. K.. 2015. Temperature Dependent Variations of Phonon Interactions in Nanocrystalline Cerium Oxide. Journal of Nanomaterials،Vol. 2015, no. 2015, pp.1-6.
https://search.emarefa.net/detail/BIM-1069061
Modern Language Association (MLA)
Dogra Pandey, Sugandha…[et al.]. Temperature Dependent Variations of Phonon Interactions in Nanocrystalline Cerium Oxide. Journal of Nanomaterials No. 2015 (2015), pp.1-6.
https://search.emarefa.net/detail/BIM-1069061
American Medical Association (AMA)
Dogra Pandey, Sugandha& Singh, Jasveer& Samanta, K.& Dilawar Sharma, Nita& Bandyopadhyay, A. K.. Temperature Dependent Variations of Phonon Interactions in Nanocrystalline Cerium Oxide. Journal of Nanomaterials. 2015. Vol. 2015, no. 2015, pp.1-6.
https://search.emarefa.net/detail/BIM-1069061
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1069061