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Energy band gap Eg of GaAs

Contents  
   
 
Equation  
 

The temperature dependency of the direct energy band gap Eg of GaAs can be calculated according to J. S. Blakemore J. Appl. Phys. 53 (1982) R123 by the equation

 
 
  Eg (T) = 1.519 - 5.408 ⋅ 10-4 T2/( T + 204) eq.(1)  
  down
  In this equation the symbols have the following meaning:
 
  Eg direct energy band gap of GaAs in eV  
  T absolute temperature in K  
 
Numerical values  
 
  calculator calculator for Eg(T)   (uses javascript)  
 
 
T
(K)
Eg(GaAs)
(eV)
λg
(nm)
Graph Eg(T)
0 1.519 816
50 1.514 819
100 1.501 826
150 1.485 835
200 1.465 846
250 1.445 858
300 1.422 872
350 1.399 886
400 1.376 901
450 1.352 917
500 1.327 934
550 1.302 952
600 1.277 971
650 1.252 990
700 1.226 1011
 
 
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