Electronic and optical properties ofp‐type amorphous silicon and wide band‐gap amorphous silicon carbide films prepared by photochemical vapor deposition

1984 ◽  
Vol 44 (9) ◽  
pp. 871-873 ◽  
Author(s):  
Takeshi Inoue ◽  
Tatsuya Tanaka ◽  
Makoto Konagai ◽  
Kiyoshi Takahashi
Open Physics ◽  
2008 ◽  
Vol 6 (2) ◽  
Author(s):  
Meili Guo ◽  
Xiaodong Zhang ◽  
Hongen Gu ◽  
Na Wang

AbstractWe present a first-principle study of electronic and optical properties in pure LiF and O-doped LiF crystals. The pure LiF crystal exhibits a wide band gap while the O-doped LiF crystal shows the less band gap due to the contribution of O 2p. Some optical constants, such as dielectric functions, reflectivity and the refractive index, have been performed. The calculated reflectivity and refractive index from the pure LiF crystal agree with the experimental and recently calculated results in the low-energy range. Meanwhile, the optical properties have also been predicted from the O-doped LiF crystal. The absorption band in 200 nm has been observed, which is relatively close to the experimental result.


RSC Advances ◽  
2017 ◽  
Vol 7 (48) ◽  
pp. 30320-30326 ◽  
Author(s):  
Shao-Gang Xu ◽  
Yu-Jun Zhao ◽  
Xiao-Bao Yang ◽  
Hu Xu

Multilayer iron borides FeBx(x= 4, 6, 8, 10) are wide-band-gap semiconductors; the electronic and optical properties of these semiconductors may be modulated by biaxial strains.


2001 ◽  
Vol 184 (1) ◽  
pp. 179-186 ◽  
Author(s):  
N. Barreau ◽  
S. Marsillac ◽  
J.C. Bern�de ◽  
T. Ben Nasrallah ◽  
S. Belgacem

2020 ◽  
Vol 99 ◽  
pp. 109601
Author(s):  
Tuan V. Vu ◽  
A.A. Lavrentyev ◽  
B.V. Gabrelian ◽  
K.F. Kalmykova ◽  
V.V. Sidorkin ◽  
...  

2017 ◽  
Vol 49 (3) ◽  
pp. 263-275 ◽  
Author(s):  
Ibrahim Alibe ◽  
Amin Matori ◽  
Elias Saion ◽  
Alibe Ali ◽  
Mohd Zaid

A simple polymer synthesis was used to successfully synthesized Zinc Oxide Nanoparticles (ZnO NPs), and the influence of the different calcination temperature on the structural, and optical properties of the material was observed using several techniques. The formation of ZnO NPs was confirmed by FT?IR, EDX, XRD, FESEM and TEM images upon calcination from 500?750?C. The FESEM images showed the ZNO NPs synthesized possessed a hexagonal shape and tended to become larger at higher calcination temperature. The XRD and FTIR revealed the precursor to be amorphous at room temperature but transform to a crystalline structure during the process of calcination. The crystalline and particle size increase as the temperature was increased. The crystalline size was between 24?49 nm for all samples calcined at 500?750?C. The optical properties obtained by UV?vis reflectance spectrometer have further confirmed the formation of ZnO NPs. The band gap exhibits typical ZnO wide band gap, and the values decrease with an increase in calcination temperature.


2014 ◽  
Vol 43 (25) ◽  
pp. 9620-9632 ◽  
Author(s):  
T. O. L. Sunde ◽  
M. Lindgren ◽  
T. O. Mason ◽  
M.-A. Einarsrud ◽  
T. Grande

Wide band-gap semiconductors doped with luminescent rare earth elements (REEs) have attracted recent interest due to their unique optical properties.


2011 ◽  
Vol 679-680 ◽  
pp. 726-729 ◽  
Author(s):  
David T. Clark ◽  
Ewan P. Ramsay ◽  
A.E. Murphy ◽  
Dave A. Smith ◽  
Robin. F. Thompson ◽  
...  

The wide band-gap of Silicon Carbide (SiC) makes it a material suitable for high temperature integrated circuits [1], potentially operating up to and beyond 450°C. This paper describes the development of a 15V SiC CMOS technology developed to operate at high temperatures, n and p-channel transistor and preliminary circuit performance over temperature achieved in this technology.


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