Quantum size effect on optical absorption edge in thin antimony films

1993 ◽  
Vol 63 (2) ◽  
pp. 129-131 ◽  
Author(s):  
J. H. Xu ◽  
C. S. Ting
Keyword(s):  
Optical Absorption ◽  
Size Effect ◽  
Absorption Edge ◽  
Quantum Size Effect ◽  
Optical Absorption Edge ◽  
Quantum Size

scholarly journals Evidence of quantum size effect in nanocrystalline silicon by optical absorption

2001 ◽  
Vol 63 (19) ◽  
Author(s):  
Takahiro Matsumoto ◽  
Jun-ichi Suzuki ◽  
Masato Ohnuma ◽  
Yoshihiko Kanemitsu ◽  
Yasuaki Masumoto
Keyword(s):  
Optical Absorption ◽  
Size Effect ◽  
Nanocrystalline Silicon ◽  
Quantum Size Effect ◽  
Quantum Size

Quantum size effect on optical absorption in a small spherical shell

1995 ◽  
Vol 51 (15) ◽  
pp. 10119-10126 ◽  
Author(s):  
Mikio Eto ◽  
Kiyoshi Kawamura
Keyword(s):  
Optical Absorption ◽  
Size Effect ◽  
Spherical Shell ◽  
Quantum Size Effect ◽  
Quantum Size

THEORY OF OPTICAL ABSORPTION IN A SMALL SPHERICAL SHELL: INVESTIGATION OF QUANTUM-SIZE EFFECT

1996 ◽  
Vol 03 (01) ◽  
pp. 151-155 ◽  
Author(s):  
MIKIO ETO ◽  
KIYOSHI KAWAMURA
Keyword(s):  
Optical Absorption ◽  
Size Effect ◽  
Resonant Frequency ◽  
Spherical Shell ◽  
Random Phase ◽  
System Size ◽  
Quantum Size Effect ◽  
Shell Shape ◽  
Hartree Fock ◽  
Quantum Size

To investigate the quantum-size effect on optical absorption spectra in a small metallic particle of a spherical shell shape, first-principles calculations are performed based on the Kubo formula. The resonant frequency of collective modes and their linewidth are studied systematically with Hartree-Fock and random-phase approximations, which are self-interaction-free methods. System-size dependence of the resonant frequency of the modes is in good agreement with the classical theory, while the linewidth reflects the quantum-size effect, which cannot be explained classically. The origin of the line broadening should be attributed to the Landau damping.

Growth, size and photoactivity of CdS, ZnS or PbS particles in NaX zeolite

1991 ◽  
Vol 233 ◽  
Author(s):  
M. Wark ◽  
G. Schulz-Ekloff ◽  
N. I. Jaeger ◽  
W. Lutz
Keyword(s):  
Particle Size ◽  
Ion Exchange ◽  
Optical Absorption ◽  
Gas Phase ◽  
Absorption Edge ◽  
Optical Absorption Edge ◽  
Zeolite Framework ◽  
Quantum Size ◽  
Transmission Electron ◽  
Sulfide Clusters

ABSTRACTCdS, ZnS or PbS dispersions are prepared in a NaX matrix by ion exchange and gas phase sulfidation. The degree of sulfidation remains incomplete in all cases. This fact can be explained by preferential bonding of the cations to the zeolite framework and to an increase of the solubility constants for quantum-size particles. Zeolite-hosted sulfide particles grow to supra-supercage size under fragmentation of the host framework. The shift of the position of the optical absorption edge correlates with the sulfide particle size obtained from transmission electron micrographs. The rate of photocorrosion of the sulfide clusters strongly depends on the particle size between 1 and 10 nm.

Optical absorption evidence of a quantum size effect in porous silicon

1993 ◽  
Vol 62 (10) ◽  
pp. 1155-1157 ◽  
Author(s):  
I. Sagnes ◽  
A. Halimaoui ◽  
G. Vincent ◽  
P. A. Badoz
Keyword(s):  
Porous Silicon ◽  
Optical Absorption ◽  
Size Effect ◽  
Quantum Size Effect ◽  
Quantum Size

Magnetic field dependence of optical absorption in Si nanocrystallites: A quantum size effect

1994 ◽  
Vol 92 (8) ◽  
pp. 665-668 ◽  
Author(s):  
S. Nomura ◽  
X. Zhao ◽  
O. Schoenfeld ◽  
K. Misawa ◽  
T. Kobayashi ◽  
...  
Keyword(s):  
Magnetic Field ◽  
Optical Absorption ◽  
Size Effect ◽  
Field Dependence ◽  
Magnetic Field Dependence ◽  
Quantum Size Effect ◽  
Quantum Size ◽  
Si Nanocrystallites

OPTICAL ABSORPTION EDGE INVESTIGATIONS IN Sn2P2S6 AND SnP2S6 CRYSTALS

2000 ◽  
Vol 6 (0) ◽  
pp. 32-39
Author(s):  
І. П. Студеняк ◽  
В. В. Митровцій ◽  
Д. Ш. Ковач ◽  
О. А. Микайло ◽  
М. І. Гурзан ◽  
...  
Keyword(s):  
Optical Absorption ◽  
Absorption Edge ◽  
Optical Absorption Edge

Effect of growth conditions upon the phase transition and optical absorption edge in CuInP2S6 crystals

1999 ◽  
Vol 4 (0) ◽  
pp. 131-138
Author(s):  
І. П. Студеняк ◽  
Д. Ш. Ковач ◽  
В. В. Митровцій ◽  
М. І. Гурзан ◽  
О. А. Микайло ◽  
...  
Keyword(s):  
Phase Transition ◽  
Optical Absorption ◽  
Absorption Edge ◽  
Growth Conditions ◽  
Optical Absorption Edge
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