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pro vyhledávání: '"B. Grosdidier"'
Autor:
B. Grosdidier
Publikováno v:
Journal of Non-Crystalline Solids
Journal of Non-Crystalline Solids, Elsevier, 2018, 502, pp.218-226. ⟨10.1016/j.jnoncrysol.2018.09.010⟩
Journal of Non-Crystalline Solids, Elsevier, 2018, 502, pp.218-226. ⟨10.1016/j.jnoncrysol.2018.09.010⟩
In this work, a rigorous mathematical method to calculate the order parameter in a binary amorphous or liquid alloy, is established even when the alloy is made up of very differently sized atoms. This method, based on the study of the eigenstates of
Publikováno v:
Journal of Non-Crystalline Solids
Journal of Non-Crystalline Solids, Elsevier, 2018, 499, pp.350-359. ⟨10.1016/j.jnoncrysol.2018.07.052⟩
Journal of Non-Crystalline Solids, Elsevier, 2018, 499, pp.350-359. ⟨10.1016/j.jnoncrysol.2018.07.052⟩
International audience; This article presents an original work on velocity and stress autocorrelation functions, memory functions, spectral densities and atomic transport properties of two liquid alkali metals (sodium and potassium). For this, we car
Autor:
B. Grosdidier
Publikováno v:
Journal of Non-Crystalline Solids. 566:120894
Based on our two previous works (B. Grosdidier 2018 and 2019) and on rigorous calculations, we investigate the structure and the order in the ternary alloy. We show that the order may be described by two conceptualizations. The first describes the or
Autor:
J. Ataati, Jean-Georges Gasser, S.M. Osman, S. M. Mujibur Rahman, B. Grosdidier, A. Ben Abdellah, M. Mayoufi
Publikováno v:
Journal of Alloys and Compounds
Journal of Alloys and Compounds, Elsevier, 2016, 658, pp.1010-1019. ⟨10.1016/j.jallcom.2015.10.271⟩
Journal of Alloys and Compounds, Elsevier, 2016, 658, pp.1010-1019. ⟨10.1016/j.jallcom.2015.10.271⟩
We present experimental measurements of resistivity and thermoelectric power of liquid alloys, Al 1−x –Mn x , (x = 0.12, 0.14, 0.16, 0.18, 0.20). The resistivity increases from 28.88 μΩ cm for pure aluminum to 123.3 μΩ cm for the alloy. No re
Publikováno v:
Physica B: Condensed Matter. 479:79-84
The Mn 66 Ga 34 alloy at this particular composition is known to be zero alloy in which the linear combination of the two neutron scattering lengths weighted by the atomic compositions vanish. Thus for this specific concentration, the effect of the p
Autor:
B. Grosdidier
Publikováno v:
Journal of Non-Crystalline Solids
Journal of Non-Crystalline Solids, Elsevier, 2019, 525, pp.119569. ⟨10.1016/j.jnoncrysol.2019.119569⟩
Journal of Non-Crystalline Solids, Elsevier, 2019, 525, pp.119569. ⟨10.1016/j.jnoncrysol.2019.119569⟩
International audience; We investigate the decomposition of the structure factor of a ternary alloy with spherical symmetry into the largest number of linearly independent and invariant quantities under the group of symmetries S3, which acts on the a
Publikováno v:
Calphad. 44:102-107
Starting from the pseudopotential formalism, we developed a new pseudopotential able to describe accurately both heavy metals like tin and noble metals like copper and silver which are the basic elements of the new lead free solders. The pseudopotent
Publikováno v:
Physica B: Condensed Matter
Physica B: Condensed Matter, Elsevier, 2010, 405 (24), pp.4978-4981. ⟨10.1016/j.physb.2010.09.049⟩
Physica B: Condensed Matter, Elsevier, 2010, 405 (24), pp.4978-4981. ⟨10.1016/j.physb.2010.09.049⟩
We have performed ab initio calculations based on t-matrix formalism in the framework of the nearly free electron [NFE] theory to determine the electrical resistivity ρ and the thermoelectric power S of three liquid alkali metals, namely, Na, K and
Publikováno v:
Philosophical Magazine
Philosophical Magazine, Taylor & Francis, 2010, 90 (11), pp.1511-1523. ⟨10.1080/14786430903405496⟩
Philosophical Magazine, Taylor & Francis, 2010, 90 (11), pp.1511-1523. ⟨10.1080/14786430903405496⟩
Earlier calculations on liquid bismuth have been done by using five conduction electrons. However, this metal presents, in the liquid state, a gap in its electronic density of states that clearly separates the s and the p bands. Thus, the number of f
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