Optical energy gap of amorphous selenium: effect of annealing
A K Bhatnagar; K V Reddy; V Srivastava; A K Bhatnagar; Sch. of Phys., Hyderabad Univ., India; K V Reddy; Sch. of Phys., Hyderabad Univ., India; V Srivastava; Sch. of Phys., Hyderabad Univ., India
Журнал:
Journal of Physics D: Applied Physics
Дата:
1985-09-14
Аннотация:
The optical energy gap of amorphous Se powder has been determined by a photo-acoustic method and has been found to be 1.99+or-0.02 eV. On annealing, the gap decreases linearly as a function of annealing temperature towards that of the crystalline selenium.
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