Roy, Chaitali ; Budhani, R. C. (1998) Raman- and infrared-active phonons in hexagonal BaMnO3 Physical Review B, 58 (13). pp. 8174-8177. ISSN 0163-1829
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Official URL: http://prb.aps.org/abstract/PRB/v58/i13/p8174_1
Related URL: http://dx.doi.org/10.1103/PhysRevB.58.8174
Abstract
We report measurements of Raman spectra and infrared-absorption spectra of hexagonal BaMnO3 in its polycrystalline form. The results are discussed in the framework of a group-theoretical analysis of the allowed zero-wave-vector phonons in this compound. The temperature dependence of the frequency and linewidth of various Raman-active modes is measured and attributed to the anharmonic terms in the vibrational potential energy of the lattice.
| Item Type: | Article |
|---|---|
| Source: | Copyright of this article belongs to American Physical Society. |
| ID Code: | 5606 |
| Deposited On: | 19 Oct 2010 11:46 |
| Last Modified: | 23 May 2011 07:26 |
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