Topic
Debye model
About: Debye model is a research topic. Over the lifetime, 7462 publications have been published within this topic receiving 133987 citations.
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TL;DR: In this paper, a temperature-dependent elastic modulus model without phenomenological fitting parameters for metallic bulk materials is developed, which is capable of predicting the Young's modulus, elastic constant, and shear modulus at different temperatures.
45 citations
TL;DR: In this paper, it was shown that the Debye temperature as a function of temperature must satisfy certain equations in order for the thermodynamic functions calculated in terms of the debye temperature to satisfy both the third law of thermodynamics and the law of equipartition of energy.
Abstract: It is shown that the Debye temperature as a function of temperature must satisfy certain equations in order for the thermodynamic functions calculated in terms of the Debye temperature to satisfy both the third law of thermodynamics and the law of equipartition of energy. A general expression for the Θ(T) function satisfying these thermodynamic laws is found.
45 citations
SIDI1
TL;DR: In this paper, first principles calculation of structural, electronic magnetic and elastic properties of the half-metallic ferromagnetic Heusler compound Co2MnSi are presented, where the full-potential linearized augmented plane waves plus local orbitals (FP-L/APW+lo) method based on the density functional theory (DFT) is used.
45 citations
TL;DR: In this paper, the effect of adsorbed gases on the interplanar spacing between the outermost Pt layers of the Pt(100)−(1 × 1) surface at 175 K was studied.
45 citations
TL;DR: In this article, the authors reported bulk superconductivity of ternary equiatomic pnictides LaMP (M$ = Ir and Rh; P = P and As) along with the crystal structure and physical properties (resistivity, magnetization, and heat capacity).
Abstract: We report bulk superconductivity of ternary equiatomic pnictides LaMP ($M$ = Ir and Rh; P = P and As) along with the crystal structure and physical properties (resistivity, magnetization, and heat capacity). It crystallized in a noncentrosymmetric structure type (space group $I$4${}_{1}$md, $Z$ = 4), which is an ordered ternary derivative of the centrosymmetric \ensuremath{\alpha}-ThSi${}_{2}$ structure. Three ternary pnictides showed superconductivity at low temperatures, and the highest critical temperature, ${T}_{c}$ = 5.3 K, was observed for LaIrP. The experimental and density functional calculations results suggested that LaMP could be categorized as a Bardeen--Cooper--Schrieffer superconductor with intermediate coupling. Considering the similar Sommerfeld value and Debye temperature, the differences in ${T}_{c}$ were attributed to the difference in the electron-phonon coupling strength in the compounds.
45 citations