January 1964
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1 Read
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10 Citations
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Publications (3)
November 1963
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5 Reads
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15 Citations
Single phase polycrystalline samples of three peritectic compounds from the pseudo-binary system of CdTe and In2Te3 were prepared by zone refining and zone leveling techniques. The compounds are 45 mole % CdTe-55 mole % In2Te3 (CdIn2Te4, β-phase), 20 mole % CdTe-80 mole % In2Te3 (CdIn8Te13, γ-phase), and 6 mole % CdTe-94 mole % In2Te3 (CdIn30Te46, δ-phase). The energy gap values obtained from electrical conductivity and Hall effect measurements show that Eg = 1.38 ev for the β-phase; Eg = 1.02 ev for the γ-phase; and Eg = 1.17 ev for the δ-phase. The addition of CdTe to In2Te3 or of In2Te3 to CdTe lowers the energy gaps of the resulting compounds.
February 1963
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28 Reads
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165 Citations
The purpose of this work was to determine the thermoelectric properties of the pseudobinary system . The compositions investigated were , , , , , and . X‐ray diffraction lattice parameter measurements and differential thermal analysis measurements established the existence of complete solid solubility between and . Both the lattice parameter and liquidus temperature show almost linear variation with composition in this system. The melting temperature of was found to be , while that of was found to be .
Citations (2)
... To obtain homogeneous and pure Ag 2 Se compounds, the melting temperature needs to exceed 1170 K (the melting point of Ag 2 Se). [172][173][174] Fig. 2(b) is the phase diagram of Ag 2 Se with a near-stoichiometric ratio, 175 in which Ag 2 Se shows the firstorder phase transition from a to b phase at B403 to B406 K. 172 Moreover, a slight deviation of the stoichiometric ratio can induce Ag-rich Ag 2 Se and Se-rich Ag 2 Se, 175 leading to a discrepancy in the electrical transport performance. ...
- Citing Article
January 1964
... Mg 2 Si is one of the candidates for next-generation thermoelectric materials because it consists of less toxic and inexpensive constituent elements existing abundantly in the Earth's crust, and a great thermoelectric performance in the temperature range of 300-600 • C [19][20][21][22][23][24]. However, the figure of merit ZT of Mg 2 Si is significantly reduced owing to its high thermal conductivity in the low-temperature range, and environmentally friendly Mg 2 Si thermoelectric materials have been actively studied. ...
- Citing Article
February 1963