Lassjaunias, J., Calvayrac, Y., Yang, Hongshun
We report on an accurate low-temperature specific heat (Cp) study of several icosahedral AlCuFe samples of high structural quality in a broad $(0.1\lesssim T\lesssim 10$ K) temperature interval. The...
Lassjaunias, J., Calvayrac, Y., Yang, Hongshun
We report on an accurate low-temperature specific heat (Cp) study of several icosahedral AlCuFe samples of high structural quality in a broad $(0.1\lesssim T\lesssim 10$ K) temperature interval. The...
Lassjaunias, J., Calvayrac, Y., Yang, Hongshun
We report on an accurate low-temperature specific heat (Cp) study of several icosahedral AlCuFe samples of high structural quality in a broad $(0.1\lesssim T\lesssim 10$ K) temperature interval. The...
Etude des sauts atomiques dans les quasi-cristaux (1996)
Lyonnard, S., Coddens, G., Sepiol, B., Bellissent, R., Calvayrac, Y.
Pas de Résumé disponible
Volume-Diffusion of 59Fe in Al62Cu25.5Fe 12.5 Icosahedral Quasicrystals (1996)
Joulaud, J., Bergman, C., Bernardini, J., Gas, P., Dubois, J., Calvayrac, Y., ...
The volume diffusion of 59Fe in Al62Cu25.5Fe12.5 Icosahedral quasicrystals is analyzed using classical diffusion techniques. Over the temperature range from 550°C to 800°C, the volume diffusion...
Etude des sauts atomiques dans les quasi-cristaux (1996)
Lyonnard, S., Coddens, G., Sepiol, B., Bellissent, R., Calvayrac, Y.
Pas de Résumé disponible
Volume-Diffusion of 59Fe in Al62Cu25.5Fe 12.5 Icosahedral Quasicrystals (1996)
Joulaud, J., Bergman, C., Bernardini, J., Gas, P., Dubois, J., Calvayrac, Y., ...
The volume diffusion of 59Fe in Al62Cu25.5Fe12.5 Icosahedral quasicrystals is analyzed using classical diffusion techniques. Over the temperature range from 550°C to 800°C, the volume diffusion...
Etude des sauts atomiques dans les quasi-cristaux (1996)
Lyonnard, S., Coddens, G., Sepiol, B., Bellissent, R., Calvayrac, Y.
Pas de Résumé disponible
Volume-Diffusion of 59Fe in Al62Cu25.5Fe 12.5 Icosahedral Quasicrystals (1996)
Joulaud, J., Bergman, C., Bernardini, J., Gas, P., Dubois, J., Calvayrac, Y., ...
The volume diffusion of 59Fe in Al62Cu25.5Fe12.5 Icosahedral quasicrystals is analyzed using classical diffusion techniques. Over the temperature range from 550°C to 800°C, the volume diffusion...
Ternary coherent phase diagram on the FCC lattice (1994)
Cénédèse, P., Calvayrac, Y., Marty, A.
In this paper, we describe a general and original method to study the ground state problem, in multicomponent systems. The method is illustrated by considering the nearest neighbour Ising model in...
Guillet, F., CÉnÉdÈse, P., Calvayrac, Y., BessiÈre, M., Lefebvre, S.
Cette étude concerne la caractérisation de l'ordre local dans une phase Ni2CoCr modèle de la phase γ des superalliages. Des mesures de diffusion diffuse anomale ont été effectuées à...
Guillet, F., CÉnÉdÈse, P., Calvayrac, Y., BessiÈre, M., Lefebvre, S.
Cette étude concerne la caractérisation de l'ordre local dans une phase Ni2CoCr modèle de la phase γ des superalliages. Des mesures de diffusion diffuse anomale ont été effectuées à...
Ternary coherent phase diagram on the FCC lattice (1994)
Cénédèse, P., Calvayrac, Y., Marty, A.
In this paper, we describe a general and original method to study the ground state problem, in multicomponent systems. The method is illustrated by considering the nearest neighbour Ising model in...
Guillet, F., CÉnÉdÈse, P., Calvayrac, Y., BessiÈre, M., Lefebvre, S.
Cette étude concerne la caractérisation de l'ordre local dans une phase Ni2CoCr modèle de la phase γ des superalliages. Des mesures de diffusion diffuse anomale ont été effectuées à...
Ternary coherent phase diagram on the FCC lattice (1994)
Cénédèse, P., Calvayrac, Y., Marty, A.
In this paper, we describe a general and original method to study the ground state problem, in multicomponent systems. The method is illustrated by considering the nearest neighbour Ising model in...
Specific-heat measurements in phason-strained quasicrystalline AlFeCu (1992)
Wang, K., Scheidt, C., Garoche, P., Calvayrac, Y.
We measured the low temperature specific-heat on phason-strained and phason-free samples of the quasicrystalline Al62Cu25.5Fe12.5 alloy. A strong enhancement of the vibrational contribution is...
Specific-heat measurements in phason-strained quasicrystalline AlFeCu (1992)
Wang, K., Scheidt, C., Garoche, P., Calvayrac, Y.
We measured the low temperature specific-heat on phason-strained and phason-free samples of the quasicrystalline Al62Cu25.5Fe12.5 alloy. A strong enhancement of the vibrational contribution is...
Specific-heat measurements in phason-strained quasicrystalline AlFeCu (1992)
Wang, K., Scheidt, C., Garoche, P., Calvayrac, Y.
We measured the low temperature specific-heat on phason-strained and phason-free samples of the quasicrystalline Al62Cu25.5Fe12.5 alloy. A strong enhancement of the vibrational contribution is...
Thermal stability of Al-Cu-Fe icosahedral alloys (1991)
Bessière, M., Quivy, A., Lefebvre, S., Devaud-Rzepski, J., Calvayrac, Y.
A stable ideally quasiperiodic phase exists in a small range of concentration, close to the composition Al62Cu25.5Fe12.5. Reducing the iron content, or replacing small amounts of copper by aluminium,...
Thermal stability of Al-Cu-Fe icosahedral alloys (1991)
Bessière, M., Quivy, A., Lefebvre, S., Devaud-Rzepski, J., Calvayrac, Y.
A stable ideally quasiperiodic phase exists in a small range of concentration, close to the composition Al62Cu25.5Fe12.5. Reducing the iron content, or replacing small amounts of copper by aluminium,...
Thermal stability of Al-Cu-Fe icosahedral alloys (1991)
Bessière, M., Quivy, A., Lefebvre, S., Devaud-Rzepski, J., Calvayrac, Y.
A stable ideally quasiperiodic phase exists in a small range of concentration, close to the composition Al62Cu25.5Fe12.5. Reducing the iron content, or replacing small amounts of copper by aluminium,...
Icosahedral AlCuFe alloys : towards ideal quasicrystals (1990)
Calvayrac, Y., Quivy, A., Bessière, M., Lefebvre, S., Cornier-Quiquandon, M., Gratias, D.
The topological and chemical long range orders in the icosahedral Al 65Cu20Fe15 alloy have been studied by X-ray powder diffraction. The spectacular enhancement of the quasicrystal-line state by...
Icosahedral AlCuFe alloys : towards ideal quasicrystals (1990)
Calvayrac, Y., Quivy, A., Bessière, M., Lefebvre, S., Cornier-Quiquandon, M., Gratias, D.
The topological and chemical long range orders in the icosahedral Al 65Cu20Fe15 alloy have been studied by X-ray powder diffraction. The spectacular enhancement of the quasicrystal-line state by...
Icosahedral AlCuFe alloys : towards ideal quasicrystals (1990)
Calvayrac, Y., Quivy, A., Bessière, M., Lefebvre, S., Cornier-Quiquandon, M., Gratias, D.
The topological and chemical long range orders in the icosahedral Al 65Cu20Fe15 alloy have been studied by X-ray powder diffraction. The spectacular enhancement of the quasicrystal-line state by...
Cenedese, P., Marty, A., Calvayrac, Y.
The Cluster Variation Method, in the Tetrahedron-Octahedron approximation, is used to investigate the Ni3Al and Ni3Fe ordering phase diagrams. The pairwise interaction potentials used are extracted...
Cenedese, P., Marty, A., Calvayrac, Y.
The Cluster Variation Method, in the Tetrahedron-Octahedron approximation, is used to investigate the Ni3Al and Ni3Fe ordering phase diagrams. The pairwise interaction potentials used are extracted...
Cenedese, P., Marty, A., Calvayrac, Y.
The Cluster Variation Method, in the Tetrahedron-Octahedron approximation, is used to investigate the Ni3Al and Ni3Fe ordering phase diagrams. The pairwise interaction potentials used are extracted...
ELECTRONIC AND MAGNETIC PROPERTIES OF THE QUASI-CRYSTALLINE PHASE AlMnSi (1988)
Wang, K., Garoche, P., Calvayrac, Y.
The low temperature specific heat of the quasi-crystal AlMnSi is analysed as the sum of two contributions, a spin-glass state (3 % of the Mn sites) and a virtual bound states terms, but a large part...
ELECTRONIC AND MAGNETIC PROPERTIES OF THE QUASI-CRYSTALLINE PHASE AlMnSi (1988)
Wang, K., Garoche, P., Calvayrac, Y.
The low temperature specific heat of the quasi-crystal AlMnSi is analysed as the sum of two contributions, a spin-glass state (3 % of the Mn sites) and a virtual bound states terms, but a large part...
ELECTRONIC AND MAGNETIC PROPERTIES OF THE QUASI-CRYSTALLINE PHASE AlMnSi (1988)
Wang, K., Garoche, P., Calvayrac, Y.
The low temperature specific heat of the quasi-crystal AlMnSi is analysed as the sum of two contributions, a spin-glass state (3 % of the Mn sites) and a virtual bound states terms, but a large part...
Study of local order in Au75Cu25 and Au70Cu 30. Results of diffuse scattering measurements (1986)
Bessière, M., Calvayrac, Y., Lefebvre, S., Gratias, D., Cénédèse, P.
Local order in Au75Cu25 and Au70Cu 30 has been investigated by X-ray diffuse scattering from single crystals quenched from T/Tc ≃ 1.03 and 1.2 (T c: transition temperature between long range...
Study of local order in Au75Cu25 and Au70Cu 30. Results of diffuse scattering measurements (1986)
Bessière, M., Calvayrac, Y., Lefebvre, S., Gratias, D., Cénédèse, P.
Local order in Au75Cu25 and Au70Cu 30 has been investigated by X-ray diffuse scattering from single crystals quenched from T/Tc ≃ 1.03 and 1.2 (T c: transition temperature between long range...
Study of local order in Au75Cu25 and Au70Cu 30. Results of diffuse scattering measurements (1986)
Bessière, M., Calvayrac, Y., Lefebvre, S., Gratias, D., Cénédèse, P.
Local order in Au75Cu25 and Au70Cu 30 has been investigated by X-ray diffuse scattering from single crystals quenched from T/Tc ≃ 1.03 and 1.2 (T c: transition temperature between long range...
A NEUTRON DIFFRACTION DETERMINATION OF SHORT RANGE ORDER IN A Ni63.7Zr36.3 GLASS (1985)
Bellissent, R., Bigot, J., Calvayrac, Y., Lefebvre, S., Quivy, A.
A precise determination of the three partial structure factors for the eutectic composition Ni63.7Zr36.3 has been carried out using neutron diffraction on three isotopically substituted glasses. The...
A NEUTRON DIFFRACTION DETERMINATION OF SHORT RANGE ORDER IN A Ni63.7Zr36.3 GLASS (1985)
Bellissent, R., Bigot, J., Calvayrac, Y., Lefebvre, S., Quivy, A.
A precise determination of the three partial structure factors for the eutectic composition Ni63.7Zr36.3 has been carried out using neutron diffraction on three isotopically substituted glasses. The...
A NEUTRON DIFFRACTION DETERMINATION OF SHORT RANGE ORDER IN A Ni63.7Zr36.3 GLASS (1985)
Bellissent, R., Bigot, J., Calvayrac, Y., Lefebvre, S., Quivy, A.
A precise determination of the three partial structure factors for the eutectic composition Ni63.7Zr36.3 has been carried out using neutron diffraction on three isotopically substituted glasses. The...
Calvayrac, Y., Harmelin, M., Quivy, A., Chevalier, J., Bigot, J.
No abstract available
ELECTRONIC PROPERTIES OF AMORPHOUS Cu60Zr40 ALLOY (1980)
Garoche, P., Calvayrac, Y., Veyssié, J.
No abstract available
Calvayrac, Y., Harmelin, M., Quivy, A., Chevalier, J., Bigot, J.
No abstract available
ELECTRONIC PROPERTIES OF AMORPHOUS Cu60Zr40 ALLOY (1980)
Garoche, P., Calvayrac, Y., Veyssié, J.
No abstract available
Calvayrac, Y., Harmelin, M., Quivy, A., Chevalier, J., Bigot, J.
No abstract available
ELECTRONIC PROPERTIES OF AMORPHOUS Cu60Zr40 ALLOY (1980)
Garoche, P., Calvayrac, Y., Veyssié, J.
No abstract available
ORDERING AND DOMAIN COARSENING KINETICS IN SUBSTITUTED PERMALLOYS (1977)
Ferjani, H., Bley, F., Calvayrac, Y.
We have studied ordering in ternary alloys based on Ni3Fe with small amounts of Cr, Mo, Mn or Al. The influence of the addition on the critical temperature and on the isothermal kinetics of ordering...
ORDERING AND DOMAIN COARSENING KINETICS IN SUBSTITUTED PERMALLOYS (1977)
Ferjani, H., Bley, F., Calvayrac, Y.
We have studied ordering in ternary alloys based on Ni3Fe with small amounts of Cr, Mo, Mn or Al. The influence of the addition on the critical temperature and on the isothermal kinetics of ordering...
ORDERING AND DOMAIN COARSENING KINETICS IN SUBSTITUTED PERMALLOYS (1977)
Ferjani, H., Bley, F., Calvayrac, Y.
We have studied ordering in ternary alloys based on Ni3Fe with small amounts of Cr, Mo, Mn or Al. The influence of the addition on the critical temperature and on the isothermal kinetics of ordering...