Bi Se +x(Bi)* Bi ( 3428.29 + 107.782 *T+ -28.4097 *T*log(T)+ 0.0123389 *T^2+ -8.3816e-06 *T^3+ -5.995e-19 *T^7+ 0 /T+ 0 /T^9) T = {250, 544.55} p = {0, inf} ( 41544.3 + -414.461 *T+ 51.8557 *T*log(T)+ -0.0753112 *T^2+ 1.34999e-05 *T^3+ 0 *T^7+ -3.61617e+06 /T+ 0 /T^9) T = {544.55, 800} p = {0, inf} ( 290.595 + 161.739 *T+ -35.9824 *T*log(T)+ 0.0074266 *T^2+ -1.046e-06 *T^3+ 0 *T^7+ 0 /T+ 0 /T^9) T = {800, 1200} p = {0, inf} ( 3754.95 + 103.961 *T+ -27.196 *T*log(T)+ 0 *T^2+ 0 *T^3+ 0 *T^7+ 0 /T+ 0 /T^9) T = {1200, 3000} p = {0, inf} +x(Se)* Se ( 50533.3 + -1178.29 *T+ 194.107 *T*log(T)+ -0.390269 *T^2+ 0.000119219 *T^3+ 0 *T^7+ -2.2244e+06 /T+ 0 /T^9) T = {250, 494} p = {0, inf} ( -5228.3 + 183.726 *T+ -35.1456 *T*log(T)+ 0 *T^2+ 0 *T^3+ 0 *T^7+ 0 /T+ 0 /T^9) T = {494, 1300} p = {0, inf} Bi Se Bi0.4Se0.6 +x(Bi)* Bi +x(Se)* Se +x(Bi0.4Se0.6)* Bi0.4Se0.6 ( -23849.1 + -0.951154 *T+ 1.01578 *T*log(T)) +R*T*x(Bi)*log(x(Bi)) +R*T*x(Se)*log(x(Se)) +R*T*x(Bi0.4Se0.6)*log(x(Bi0.4Se0.6)) +x(Bi)*x(Bi0.4Se0.6)*( + ( 1154.49 + 2.47494 *T+ 0 *T*log(T)) +(x(Bi)-x(Bi0.4Se0.6))* ( 11298.6 + -11.9604 *T+ 0 *T*log(T)) ) +x(Se)*x(Bi0.4Se0.6)*( + ( 15590.5 + 2.34574 *T+ 0 *T*log(T)) +(x(Se)-x(Bi0.4Se0.6))* (0) +(x(Se)-x(Bi0.4Se0.6))^2* ( -21418.4 + 21.1963 *T+ 0 *T*log(T)) ) Se ( -9376.37 + 174.206 *T+ -33.6527 *T*log(T)+ 0.0242431 *T^2+ -1.53185e-05 *T^3+ 0 *T^7+ 102249 /T+ 0 /T^9) T = {250, 494} p = {0, inf} ( -37546.1 + 507.112 *T+ -81.2007 *T*log(T)+ 0.0371449 *T^2+ -5.61103e-06 *T^3+ 0 *T^7+ 2.61426e+06 /T+ 0 /T^9) T = {494, 800} p = {0, inf} ( -12193.1 + 197.77 *T+ -35.1456 *T*log(T)+ 0 *T^2+ 0 *T^3+ 0 *T^7+ 0 /T+ 0 /T^9) T = {800, 1300} p = {0, inf} Bi ( -7817.78 + 128.419 *T+ -28.4097 *T*log(T)+ 0.0123389 *T^2+ -8.3816e-06 *T^3+ 0 *T^7+ 0 /T+ 0 /T^9) T = {250, 544.55} p = {0, inf} ( 30208 + -393.65 *T+ 51.8557 *T*log(T)+ -0.0753112 *T^2+ 1.34999e-05 *T^3+ 0 *T^7+ -3.61617e+06 /T+ 1.661e+25 /T^9) T = {544.55, 800} p = {0, inf} ( -11045.7 + 182.549 *T+ -35.9824 *T*log(T)+ 0.0074266 *T^2+ -1.046e-06 *T^3+ 0 *T^7+ 0 /T+ 1.661e+25 /T^9) T = {800, 1200} p = {0, inf} ( -7581.31 + 124.771 *T+ -27.196 *T*log(T)+ 0 *T^2+ 0 *T^3+ 0 *T^7+ 0 /T+ 1.661e+25 /T^9) T = {1200, 3000} p = {0, inf} Bi Se +x(Bi)* Bi ( 27513.8 - 14.8122 *T+ 4.01738 *(T-To-T*log(T/To))+4* -34.1601 *(sqrt(T)-sqrt(To))) 1 Bi_ref ( 47.2354 - 56.8931 *T+ 25.5324 *(T-To-T*log(T/To))+4* 0 *(sqrt(T)-sqrt(To))) +x(Se)* Se ( -17167.2 - -13.3682 *T+ *(T-To-T*log(T/To))+4* *(sqrt(T)-sqrt(To))) 1 Se_ref ( 46.42 - 42.1206 *T+ 25.1066 *(T-To-T*log(T/To))+4* 0 *(sqrt(T)-sqrt(To))) +R*T*x(Bi)*log(x(Bi)) +R*T*x(Se)*log(x(Se)) +x(Bi)*x(Se)*( + ( -124147 + 41.6101 *T+ 0 *T*log(T)+ 0 *sqrt(T)) ) Bi0.4Se0.6 ( -31709.4 - -14.3682 *T+ 7.30398 *(T-To-T*log(T/To))+4* -107.547 *(sqrt(T)-sqrt(To))) 0.4 0.6 Bi0.6Se0.4 ( -18422.6 - 4.65502 *T+ 0 *(T-To-T*log(T/To))+4* 0 *(sqrt(T)-sqrt(To))) 0.6 0.4