2008
DOI: 10.1134/s0036024408070339
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Melting temperature and anharmonicity of lattice vibrations in solids

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Cited by 6 publications
(4 citation statements)
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“…Such atoms, which are capable of critical displacements, are called delocalized atoms. According to the delocalized atom model [9,11,12,13], the elementary act of glass softening consists of the limiting elastic deformation of an interatomic or an intermolecular bond. According to that model, the elastic modulus is given by,…”
Section: Resultsmentioning
confidence: 99%
“…Such atoms, which are capable of critical displacements, are called delocalized atoms. According to the delocalized atom model [9,11,12,13], the elementary act of glass softening consists of the limiting elastic deformation of an interatomic or an intermolecular bond. According to that model, the elastic modulus is given by,…”
Section: Resultsmentioning
confidence: 99%
“…In terms of the excited state model [4][5][6], the constancy of the parameter ratio (Eq. (2)) in the Bar tenev-Ritland equation arguably originates in the criterion for glass transition conditions (Eq.…”
Section: C ≈ ≈mentioning
confidence: 99%
“…In this work, we used both relaxation theory [1][2][3] and the excited state model [4][5][6] to provide a possible explanation for the observed constancy. According to the excited state model, the liquid-glass transition occurs when the average thermal energy of the oscilla tion of atoms in a crystal lattice (3kT) becomes equal to or less than the enthalpy of the ultimate elastic deformation of interatomic bonds (ΔH e ): 3kT ≤ ΔH e .…”
Section: C ≈ ≈mentioning
confidence: 99%
“…The kinetic unit (an atom, a group of atoms) capable of such a critical shift, called as "excited atom," and the approach itself-the model of the excited state [1,2].…”
Section: Introductionmentioning
confidence: 99%