| Reference Type | Journal (article/letter/editorial) |
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| Title | Phase relations in the system PbS-PbSe-PbTe |
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| Journal | Mineralogical Magazine | ISSN | 0026-461X |
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| Authors | Liu, H. | Author |
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| Chang, L. L. Y. | Author |
| Year | 1994 (December) | Volume | 58 |
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| Issue | 393 |
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| Publisher | Mineralogical Society |
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| Download URL | https://rruff.info/doclib/MinMag/Volume_58/58-393-567.pdf+ |
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| DOI | doi:10.1180/minmag.1994.058.393.04Search in ResearchGate |
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| Generate Citation Formats |
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| Mindat Ref. ID | 2080 | Long-form Identifier | mindat:1:5:2080:4 |
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| GUID | 0 |
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| Full Reference | Liu, H., Chang, L. L. Y. (1994) Phase relations in the system PbS-PbSe-PbTe. Mineralogical Magazine, 58 (393) 567-578 doi:10.1180/minmag.1994.058.393.04 |
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| Plain Text | Liu, H., Chang, L. L. Y. (1994) Phase relations in the system PbS-PbSe-PbTe. Mineralogical Magazine, 58 (393) 567-578 doi:10.1180/minmag.1994.058.393.04 |
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| In | (1994, December) Mineralogical Magazine Vol. 58 (393) Mineralogical Society |
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| Abstract/Notes | AbstractPhase relations in the system PbS-PbSe-PbTe were investigated in the temperature range between 1150 and 300°C. There is a complete solid solution series along the join PbS-PbSe, whereas miscibility gaps exist below ∼ 350°C and 805°C along joins PbSe-PbTe and PbS-PbTe, respectively. Both gaps extend into the ternary system, and the range of the gap between PbS and PbTe reduces in size with temperature as well as Se-content.By using the subregular model of mixing (Ganguly and Saxena, 1987), mixing energetics and activity composition relations of PbX were derived. The temperature-dependence of the interaction parameters was calculated to be 5057.6 − 1.7T, 9605.2 − 4.4T, 3933.2 − 3.1T (T < 500°C), 6410.3 − 6.35T (T < 500°C) 1649 − 0.26T, 1594.6 − 0.2T, and 12906.3 − 17.3T for WWSte, WTeS, WSeTe, WTeSe, WSSe, WSeS, and WSSeTe, respectively. A critical temperature along the join PbS-PbSe at ∼ 100°C was obtained from interaction parameter calculation, which suggests the separation of the PbS-PbSe series.Correlation of solid-solution ranges established in this study with natural occurrences was made. |
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