Relationship between the thermal expansion coefficient, plasmon energy, and bond length of ternary chalcopyrite semiconductors |
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Authors: | V Kumar BSR Sastry |
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Institution: | Department of Electronics and Instrumentation, Indian School of Mines, Dhanbad 826 004, India |
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Abstract: | A simple relation between the average bond length and plasmon energy, that is, d=15.30(?ωp)−2/3, has been proposed for AIIBIVCV2 and AIBIIICVI2 chalcopyrite semiconductors. The average linear thermal expansion coefficient (αL) of these semiconductors has been calculated using plasmon energy data. The linear expansion coefficients (αa) and (αc) of the lattice parameters a and c, respectively, have also been calculated. The calculated values of d, αL, αa and αc have been compared with the experimental values and the values reported by different workers. A fairly good agreement has been obtained between them. |
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