scholarly journals The importance of phase equilibrium for doping efficiency: iodine doped PbTe

2019 ◽  
Vol 6 (7) ◽  
pp. 1444-1453 ◽  
Author(s):  
James Male ◽  
Matthias T. Agne ◽  
Anuj Goyal ◽  
Shashwat Anand ◽  
Ian T. Witting ◽  
...  
Keyword(s):  
Phase Equilibrium ◽  
Semiconductor Doping

Drastic effects of phase equilibrium on semiconductor doping efficiency are demonstrated in n-type PbTe.

Study on the Phase Equilibrium of Gas Hydrate Based on Main-Branch Pipe Confluence Model

2019 ◽  
Author(s):  
Song Deng ◽  
Yali Liu ◽  
Xia Wei ◽  
Lei Tao ◽  
Yanfeng He
Keyword(s):  
Phase Equilibrium ◽  
Gas Hydrate ◽  
Branch Pipe ◽  
Confluence Model

EXPERIMENTAL PHASE EQUILIBRIUM OF SULFUR HEXAFLUORIDE AND MINERAL OIL

2020 ◽  
Author(s):  
Afonso Ferreira Miguel Junior ◽  
Luiz Fernando Santos de Vasconcelos ◽  
Celina Kakitani ◽  
césar yutaka ofuchi ◽  
Moisés Marcelino Neto ◽  
...  
Keyword(s):  
Phase Equilibrium ◽  
Sulfur Hexafluoride ◽  
Mineral Oil ◽  
Experimental Phase ◽  
Experimental Phase Equilibrium

PHASE EQUILIBRIUM IN THE AS2TE3-TM2TE3 SYSTEM.

2020 ◽  
Vol 5 (8(77)) ◽  
pp. 65-68
Author(s):  
Teymur Mammad Ilyasly ◽  
Rahman Hasanaga Fatullazade ◽  
Zakir Islam Ismailov ◽  
Nigar Nadir Jafarova
Keyword(s):  
Thermal Analysis ◽  
Solid Solution ◽  
Differential Thermal Analysis ◽  
Phase Equilibrium ◽  
Physicochemical Properties ◽  
Thermal Effects ◽  
Isothermal Annealing ◽  
Intermediate Phase ◽  
Physicochemical Analysis ◽  
Two Phases

The synthesis of alloys of the system was carried out stepwise in rotary furnaces. The synthesis mode was selected based on the physicochemical properties of the elementary components. For homogenization, the alloys were subjected to isothermal annealing at 750 and 1275 K, depending on the Tm2Te3 concentration, for 250 h after homogenization of the alloys, they were subjected to physicochemical analysis. The results of differential thermal analysis showed that reversible thermal effects are observed in the alloys of the system. In alloys in a 1: 1 ratio, a new intermediate phase is formed with a composition corresponding to the TmAsTe3 compound. The homogeneity area is observed in the concentration range 52.5-47.5. It was found that in the concentration range 98.5-52.5 Tm2Te3 there are two phases - a mixture of β and of the solid solution, and in the concentration range of 47.51 mol% Tm2Te3 phases and α are in equilibrium. ) 66 The eutectic has coordinates of 11.5 mol Tm2Te3 at a temperature of 575 K.

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