Journal ArticleDOI
Elastic Debye temperatures in tetragonal crystals: Their determination and use
A. Y. Wu,R. J. Sladek +1 more
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This article is published in Physical Review B.The article was published on 1982-04-15. It has received 17 citations till now. The article focuses on the topics: Debye & Tetragonal crystal system.read more
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Journal ArticleDOI
First-principles elastic and thermal properties of TiO2: a phonon approach
TL;DR: The heat capacity at room temperature and the Debye temperature within the LDA are in better agreement with the experimental results, and one can obtain the important mechanical and thermal properties of materials.
Journal ArticleDOI
Preferential orientation of fluorine-doped SnO2 thin films: The effects of growth temperature
TL;DR: In this article, the texture effects of spray pyrolysis on polycrystalline fluorine-doped SnO2 thin films with a given thickness of about 250nm have been investigated within a thermodynamic approach considering that grain growth is driven by the minimization of total free energy.
Journal ArticleDOI
Ab initio study of the elastic properties of single and polycrystal TiO(2), ZrO(2) and HfO(2) in the cotunnite structure.
TL;DR: It is found that C(11), C(22) and C(33) elastic constants of hafnia and zirconia show increased strength with respect to the experimental values of the normal phase, P 2(1)/c, and this fact increases the compound anisotropy as well as its ductile behavior.
Journal ArticleDOI
Spin-wave lifetimes throughout the Brillouin zone.
TL;DR: A neutron spin-echo method with microelectron-volt resolution is used to determine the lifetimes of spin waves in the prototypical antiferromagnet MnF2 over the entire Brillouin zone, revealing an excellent, parameter-free description of the data, except at the lowest momenta and temperatures.
Journal ArticleDOI
High-temperature phase transition in the three-layered sodium cobaltite P ′ 3 -Na x CoO 2 ( x ∼ 0.62 )
TL;DR: In this paper, the authors investigated the high temperature phase transition in a three-layered three-layer Na-CoO mixture with the magic angle spinning (MAS)-NMR spectroscopy in the 300-550 K range.
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