Metallurgical study of Ni/GaAs contacts. I. Experimental determination of the solid portion of the Ni‐Ga‐As ternary‐phase diagram

1989 ◽  
Vol 66 (5) ◽  
pp. 2122-2128 ◽  
Author(s):  
R. Guérin ◽  
A. Guivarc’h
1991 ◽  
Vol 234 ◽  
Author(s):  
T. Caillat ◽  
M. Carle ◽  
J. P. Fleurial ◽  
H. Scherrer ◽  
S. Scherrer

ABSTRACTIt has been reported that high figures of merit could be achieved on bismuth telluride grown by T.H.M. (Travelling Heater Method). Further improvements could be obtained for the p-type materials by studying solid solutions formed by bismuth telluride and antimony telluride.A good knowledge of the ternary phase diagram is necessary to obtain homogeneous ingots by T.H.M..We present the results of the determination of ternary phase diagram (Bi-Sb-Te). The equilibrium data between liquid and solid alloys Bi8Sb32Te60, Bi9Sb31Te60 and Bi10Sb30Te60 are also reported and it allows their elaboration by T.H.M..Thermoelectric characterization of ternary samples is carried out as a function of stoichiometric deviations. Measurements of electrical and thermal conductivities as well as Seebeck coefficient were done at room temperature for the Bi8Sb32Te60, Bi9Sb31Te60 and Bi10Sb30Te60 alloys.The values of the figure of merit remain interesting for the alloys studied and a maximum value of 3.2 10−3 K−1 is reached for the Bi9Sb31Te60 alloy.


2015 ◽  
Vol 7 (8) ◽  
pp. 3363-3371 ◽  
Author(s):  
Clarice C. Leite ◽  
Ariane V. Zmozinski ◽  
Maria Goreti R. Vale ◽  
Márcia M. Silva

Samples were prepared as microemulsions investigated through a pseudo-ternary phase diagram. Calibration curves with inorganic standards were used for quantification. The method is accurate, simple, fast, and causes less environmental impact.


Author(s):  
Rachel Orenstein ◽  
James P. Male ◽  
Michael Toriyama ◽  
Shashwat Anand ◽  
G. Jeffrey Snyder

A new understanding of the MgSi–MgSn miscibility gap is reached through phase boundary mapping the Mg–Si–Sn ternary phase diagram.


1984 ◽  
Vol 62 (3) ◽  
pp. 457-474 ◽  
Author(s):  
A. D. Pelton ◽  
C. W. Bale ◽  
P. L. Lin

Phase diagrams and thermodynamic properties of five additive molten salt ternary systems and nine reciprocal molten salt ternary systems containing the ions Li+, Na+, [Formula: see text], OH− are calculated from the thermodynamic properties of their binary subsystems which were obtained previously by a critical assessment of the thermodynamic data and the phase diagrams in these binary systems. Thermodynamic properties of ternary liquid phases are estimated from the binary properties by means of the Conformal Ionic Solution Theory. The ternary phase diagrams are then calculated from these thermodynamic properties by means of computer programs designed for the purpose. It is found that a ternary phase diagram can generally be calculated in this way with a maximum error about twice that of the maximum error in the binary phase diagrams upon which the calculations are based. If, in addition, some reliable ternary phase diagram measurements are available, these can be used to obtain small ternary correction terms. In this way, ternary phase diagram measurements can be smoothed and the isotherms drawn in a thermodynamically correct way. The thermodynamic approach permits experimental data to be critically assessed in the light of thermodynamic principles and accepted solution models. A critical assessment of error limits on all the calculated ternary diagrams is made, and suggestions as to which composition regions merit further experimental study are given.


2014 ◽  
Vol 59 (4) ◽  
pp. 1393-1404 ◽  
Author(s):  
W. Wołczynski ◽  
Z. Pogoda ◽  
G. Garzeł ◽  
B. Kucharska ◽  
A. Sypien ◽  
...  

Abstract A mathematical description for the (Zn) - coating formation with the presence of flux in the zinc bath is presented. This description includes the progressive vanishing of the products of the flux disintegration. A function which expresses the flux vanishing is formulated. The solidification of some phase sub-layers in the (Zn) - coating is considered with the use of a hypothetical pseudo-ternary phase diagram Fe-Zn-flux. Some relationships are formulated to define the varying Zn - solute redistribution as observed across the sub-layers. The relationships are based on the mass balance analyzed for the coating / bath / flux system. An amount of the growing phase in a given sub-layers is also defined mathematically.


2015 ◽  
Vol 38 (6) ◽  
pp. 1073-1080 ◽  
Author(s):  
Kyeong-Sill Lee ◽  
Kwang-Joo Kim ◽  
Joachim Ulrich

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