Citation
Hassan, Senin and Abd. Aziz, Sidek and G. A., Saunders and G., Carini
(1995)
Specific-heat Study of Low-energy Vibrational State m
Vitreous Samarium Phosphates.
Pertanika Journal of Science & Technology, 3 (2).
pp. 261-269.
ISSN 0128-7680
Abstract
Measurements of specific heat in the temperature range 1.5K to 30K were
made for two samples of vitreous samarium phosphates. A large contribution
to the specific heat, well above what is expected from acoustic phonons (in the
Debye approximation), is discussed in terms of the theoretical predictions of a
phonon-fracton cross-over approach. The phonon-fracton density of states used
to fit the excess specific heat gives rise to model parameters with the same
magnitudes as those found previously for a wide range of glasses.
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Additional Metadata
| Item Type: |
Article
|
| Publisher: |
Universiti Putra Malaysia Press |
| Keywords: |
phosphate glasses, specific heat, phonon-fraction |
| Depositing User: |
Nasirah Abu Samah
|
| Date Deposited: |
02 Dec 2009 02:28 |
| Last Modified: |
27 May 2013 07:11 |
| URI: |
http://psasir.upm.edu.my/id/eprint/3855 |
| Statistic Details: |
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