World Journal of Engineering Research and Technology

Prof. Dr. Huynh Van Cong*

ABSTRACT

In the - crystalline alloy, , x being the concentration, the optical coefficients, and the electrical-and-thermoelectric laws, relations, and various coefficients, being enhanced by : (i) our static dielectric constant law, , being the donor (acceptor) d(a)-radius, given in Equations (1a, 1b), (ii) our accurate Fermi energy at , , determined in Eq. (11) and accurate with a precision of the order of [9], affecting all the expressions of optical, and electrical-and-thermoelectric coefficients, are now investigated, by basing on our physical model, and Fermi-Dirac distribution function, as those given in our recent works.[1, 2] In the following, for given physical conditions, all the optical coefficients are expressed as functions of the effective photon energy : , E and being the photon energy and the optical band gap. Then, some important remarks can be repoted as follows.-From our essential optical conductivity model, , determined in Eq. (18), all the optical coefficients and electrical-and-thermoelectric ones are determined, as those given in Equations (19a-19d, 20a-20d). -In particular, from the optical-and-electrical transformation duality given in Eq. (15), + , according to the optical phenomenon-electrical phenomenon transition effect, has a same form with that of the electrical conductivity, , as given in Eq. (20a), and in our recent work[1], suggesting many important concluding remarks on the electrical-and-thermoelectric coefficients, as those given in Equations (20a, 21-30) and in our recent work.[1]

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