Temperature dependence of the absorption edge of synthetic diamond

2021 ◽  
Author(s):  
Ekaterina Kolesnik ◽  
Vasilii Ripenko ◽  
Stanislav Dzyadukh ◽  
Evgeniy Lipatov
Keyword(s):  
Temperature Dependence ◽  
Absorption Edge ◽  
Synthetic Diamond

Temperature dependence of the fundamental absorption edge in CuGaSe2

1978 ◽  
Vol 27 (4) ◽  
pp. 449-451 ◽  
Author(s):  
H. Neumann ◽  
W. Hörig ◽  
E. Reccius ◽  
W. Möller ◽  
G. Kühn
Keyword(s):  
Temperature Dependence ◽  
Absorption Edge ◽  
Fundamental Absorption Edge

scholarly journals Правило Урбаха и оценка ширины запрещенной зоны в молибдатах

2020 ◽  
Vol 62 (8) ◽  
pp. 1179
Author(s):  
Ф.Д. Федюнин ◽  
Д.А. Спасский
Keyword(s):  
Temperature Dependence ◽  
Absorption Edge ◽  
Fundamental Absorption Edge ◽  
Edge Temperature

Here we present the results of the study of fundamental absorption edge temperature dependence of CaMoO4, SrMoO4, PbMoO4, Pb2MoO5 and MgMoO4 molybdates. The dependencies were approximated using Urbach formula. It was shown that parameter E0 obtained from approximation can be used for the estimation of molybdates bandgap.

Determination of temperature dependence of GaSb absorption edge and its application for transmission thermometry

1999 ◽  
Vol 85 (9) ◽  
pp. 6632-6635 ◽  
Author(s):  
M. J. Yang ◽  
W. J. Moore ◽  
C. H. Yang ◽  
R. A. Wilson ◽  
B. R. Bennett ◽  
...  
Keyword(s):  
Temperature Dependence ◽  
Absorption Edge

Optical Phenomena at the Absorption Edge of Crystalline and Amorphous Silicon

1990 ◽  
Vol 192 ◽  
Author(s):  
George D. Cody
Keyword(s):  
Optical Properties ◽  
Temperature Dependence ◽  
Amorphous Silicon ◽  
Absorption Edge ◽  
Crystalline Silicon ◽  
Dipole Matrix Element ◽  
Silicon Hydride ◽  
Energy Gaps ◽  
Site Disorder ◽  
Optical Phenomena

ABSTRACTOptical phenomena associated with the absorption edge of crystalline silicon (c-Si) and amorphous silicon hydride (a-Si:H) are presented and compared. The optical properties discussed include the energy dependence, dipole matrix element and density of states associated with the absorption edge; the temperature dependence of the relevant optical energy gaps, and finally the magnitude and temperature dependence of the slope of the Urbach edge for each material. The comparison suggests that the optical properties of the two materials are closely related and that the absorption edge of a-Si:H may be derived from the effect of site disorder on the zone center direct gap of c-Si.

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