Quantum confinement effects above the fundamental band gap in HgTe/Hg0.3Cd0.7Te heterostructures studied by resonant Raman scattering near theE1edge

1996 ◽  
Vol 54 (23) ◽  
pp. 16907-16918 ◽  
Author(s):  
R. Atzmüller ◽  
M. Rösch ◽  
G. Schaack ◽  
C. R. Becker
Keyword(s):  
Raman Scattering ◽  
Band Gap ◽  
Quantum Confinement ◽  
Confinement Effects ◽  
Fundamental Band ◽  
Quantum Confinement Effects ◽  
Resonant Raman ◽  
Resonant Raman Scattering

Quantum confinement effects and strain-induced band-gap energy shifts in core-shell Si-SiO2nanowires

2011 ◽  
Vol 83 (24) ◽  
Author(s):  
O. Demichel ◽  
V. Calvo ◽  
P. Noé ◽  
B. Salem ◽  
P.-F. Fazzini ◽  
...  
Keyword(s):  
Band Gap ◽  
Quantum Confinement ◽  
Band Gap Energy ◽  
Core Shell ◽  
Confinement Effects ◽  
Gap Energy ◽  
Quantum Confinement Effects

QUANTUM CONFINEMENT EFFECTS ON THE OPTICAL PROPERTIES OF ION BEAM SPUTTERED NICKEL OXIDE THIN FILMS

2001 ◽  
Vol 15 (02) ◽  
pp. 191-200 ◽  
Author(s):  
M. GHANASHYAM KRISHNA ◽  
A. K. BHATTACHARYA
Keyword(s):  
Thin Films ◽  
Optical Properties ◽  
Nickel Oxide ◽  
Band Gap ◽  
Quantum Confinement ◽  
Ion Beam ◽  
Confinement Effects ◽  
Oxide Thin Films ◽  
Quantum Confinement Effects ◽  
Nickel Oxide Thin Films

Quantum confinement effects on the optical properties of ion beam sputtered nickel oxide thin films are reported. Thin films with crystallite sizes in the range 9 to 14 nm have been deposited on to fused silica substrates. There is an increase in band gap, from 3.4 to 3.9 eV, and a decrease in refractive index, from 2.4 to 1.6, with decrease in crystallite size, that can be attributed to quantum confinement effects. The effective mass approximation has been used to explain the observed behaviour in band gap variation.

E1(A) Electronic Band Gap in Wurtzite InAs Nanowires Studied by Resonant Raman Scattering

Nano Letters ◽  
2013 ◽  
Vol 13 (7) ◽  
pp. 3011-3016 ◽  
Author(s):  
Ilaria Zardo ◽  
Sara Yazji ◽  
Nicolas Hörmann ◽  
Simon Hertenberger ◽  
Stefan Funk ◽  
...  
Keyword(s):  
Raman Scattering ◽  
Band Gap ◽  
Electronic Band ◽  
Inas Nanowires ◽  
Electronic Band Gap ◽  
Resonant Raman ◽  
Resonant Raman Scattering

scholarly journals Temperature evolution of the band gap inBiFeO3traced by resonant Raman scattering

2016 ◽  
Vol 93 (12) ◽  
Author(s):  
Mads Christof Weber ◽  
Mael Guennou ◽  
Constance Toulouse ◽  
Maximilien Cazayous ◽  
Yannick Gillet ◽  
...  
Keyword(s):  
Raman Scattering ◽  
Band Gap ◽  
Temperature Evolution ◽  
Resonant Raman ◽  
Resonant Raman Scattering

Resonant Raman Scattering near the Band Gap in 4H-PbI2, Crystals)

1993 ◽  
Vol 176 (1) ◽  
pp. 247-254 ◽  
Author(s):  
I. Baltog ◽  
S. Lefrant ◽  
L. Mihut ◽  
R. Mondescu
Keyword(s):  
Raman Scattering ◽  
Band Gap ◽  
Resonant Raman ◽  
Resonant Raman Scattering

Band Gap Widening and Quantum Confinement Effects of ZnO Nanowires by First-Principles Calculation

2011 ◽  
Vol 675-677 ◽  
pp. 243-246 ◽  
Author(s):  
Mei Li Guo ◽  
Xiao Dong Zhang
Keyword(s):  
Optical Properties ◽  
Band Gap ◽  
First Principles ◽  
Quantum Confinement ◽  
Density Functional ◽  
High Energy ◽  
Zno Nanowires ◽  
First Principles Calculation ◽  
Confinement Effects ◽  
Quantum Confinement Effects

ZnO nanowires are promising for photonic devices, biosensor and cancer cell imaging. We have performed a first-principles study to evaluate the electronic and optical properties of ZnO nanowires. We have employed the Perdew–Burke–Ernzerhof form of generalized gradient approximation in the frame work of density functional theory. Calculations have been carried out at different configurations. With decreasing diameter, the band gap of ZnO nanowires is increased due to the increase of quantum confinement effects. The results of imaginary part of the dielectric function indicate that the optical transition between valence band and conduction band has shifted to the high energy range as the diameter decreases. The ZnO nanowires show size-tunable optical properties.

Quantum confinement effects and band gap engineering of SnO2 nanocrystals in a MgO matrix

2012 ◽  
Vol 60 (3) ◽  
pp. 1072-1078 ◽  
Author(s):  
M.B. Sahana ◽  
C. Sudakar ◽  
A. Dixit ◽  
J.S. Thakur ◽  
R. Naik ◽  
...  
Keyword(s):  
Band Gap ◽  
Quantum Confinement ◽  
Confinement Effects ◽  
Band Gap Engineering ◽  
Sno2 Nanocrystals ◽  
Quantum Confinement Effects
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