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. 2020 Jan 1;27(Pt 1):51–59. doi: 10.1107/S1600577519015728

Table 2. Material constants and equations used as input for the thermal response simulations and calculations.

Thermal constants were taken from Sealy (1993), Tiwari (1992) and Ng (2015), and optical constants from Adachi (1989) and Rakić & Majewski (1996).

  GaAs InAs AlAs
Absorption coefficient (cm−1) 1.8 × 103 14.8 × 103 3.4
Thermal conductivity (W K−1 m−1) κ(T) = κ300(T/300[K])−α
Constant κ300 (W K−1 m−1) 45.5 37 80
Exponent α 1.3 1.1 1.4
Specific heat (J K−1 kg−1) c(T) = c 300 + c s{[(T/300)β − 1]/[(T/300)β + (c s/c 300)]}
Constant c 300 322 394 441
Constant c s 50 50 50
Exponent β 1.6 1.95 1.2