Publication Date:
2015-08-12
Description:
Author(s): Tian Lan, C. W. Li, O. Hellman, D. S. Kim, J. A. Muñoz, H. Smith, D. L. Abernathy, and B. Fultz Although the rutile structure of TiO 2 is stable at high temperatures, the conventional quasiharmonic approximation predicts that several acoustic phonons decrease anomalously to zero frequency with thermal expansion, incorrectly predicting a structural collapse at temperatures well below 1000 K. Ine… [Phys. Rev. B 92, 054304] Published Tue Aug 11, 2015
Keywords:
Dynamics, dynamical systems, lattice effects
Print ISSN:
1098-0121
Electronic ISSN:
1095-3795
Topics:
Physics
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