scholarly journals Raman scattering of ZnSe grown by molecular beam epitaxy

1990 ◽  
Vol 102 (5) ◽  
pp. 593-599
Author(s):  
K. Kumazaki ◽  
K. Imai
Keyword(s):  
Molecular Beam Epitaxy ◽  
Raman Scattering ◽  
Molecular Beam

Spin-flip Raman-scattering studies of compensating donor centers in nitrogen-doped zinc selenide grown by molecular-beam epitaxy

1996 ◽  
Vol 53 (16) ◽  
pp. 10983-10987 ◽  
Author(s):  
C. M. Townsley ◽  
J. J. Davies ◽  
D. Wolverson ◽  
P. J. Boyce ◽  
G. Horsburgh ◽  
...  
Keyword(s):  
Molecular Beam Epitaxy ◽  
Raman Scattering ◽  
Zinc Selenide ◽  
Molecular Beam ◽  
Nitrogen Doped ◽  
Spin Flip

Raman scattering in In x Ga 1-x As/GaAs superlattices grown by molecular-beam epitaxy

1992 ◽  
Author(s):  
Monique T. Constant ◽  
N. Matrullo ◽  
A. Lorriaux ◽  
R. Fauquembergue ◽  
Y. Druelle
Keyword(s):  
Molecular Beam Epitaxy ◽  
Raman Scattering ◽  
Molecular Beam

Raman scattering in GaP/AlP short-period superlattices grown by gas source molecular beam epitaxy

1992 ◽  
Vol 60-61 ◽  
pp. 553-558 ◽  
Author(s):  
R.K. Soni ◽  
H. Asahi ◽  
S. Emura ◽  
T. Watanabe ◽  
K. Asami ◽  
...  
Keyword(s):  
Molecular Beam Epitaxy ◽  
Raman Scattering ◽  
Molecular Beam ◽  
Gas Source ◽  
Short Period ◽  
Short Period Superlattices

Raman scattering studies on Si-doped GaAs grown by hydrogen-assisted molecular beam epitaxy

1997 ◽  
Vol 71 (13) ◽  
pp. 1813-1815 ◽  
Author(s):  
J. M. Zhang ◽  
M. Cardona ◽  
Z. L. Peng ◽  
Y. Horikoshi
Keyword(s):  
Molecular Beam Epitaxy ◽  
Raman Scattering ◽  
Molecular Beam ◽  
Si Doped

Spin-flip Raman scattering fromCd1−xMnxTe:Inepilayers and modulation-dopedCd1−xMnxTe:In/CdTesuperlattices grown by photoassisted molecular-beam epitaxy

1987 ◽  
Vol 36 (17) ◽  
pp. 9358-9361 ◽  
Author(s):  
E. -K. Suh ◽  
D. U. Bartholomew ◽  
A. K. Ramdas ◽  
R. N. Bicknell ◽  
R. L. Harper ◽  
...  
Keyword(s):  
Molecular Beam Epitaxy ◽  
Raman Scattering ◽  
Molecular Beam ◽  
Spin Flip

Excitation Wavelength Dependent Raman Scattering in Low and Highly Degenerate InN Films

2004 ◽  
Vol 831 ◽  
Author(s):  
V.M. Naik ◽  
H. Dai ◽  
R. Naik ◽  
D.B. Haddad ◽  
J.S. Thakur ◽  
...  
Keyword(s):  
Molecular Beam Epitaxy ◽  
Raman Scattering ◽  
Excitation Energy ◽  
Raman Spectra ◽  
Molecular Beam ◽  
Optical Bandgap ◽  
Structural Defects ◽  
Excitation Wavelength ◽  
Phonon Modes ◽  
Energy Mode

ABSTRACTThe Raman spectra of low and highly degenerate InN films grown by conventional Molecular Beam Epitaxy (MBE) and Plasma Source Molecular Beam Epitaxy (PSMBE) have been studied using visible (514.5 nm) and near infrared (785 nm) excitation wavelengths. The MBE grown InN films have a low electron carrier concentration, ne < 2.0 × 1019 cm−3, exhibiting an optical bandgap absorption edge of 0.6 to 0.7 eV. On the other hand PSMBE grown InN samples are highly degenerate with ne > 3 × 1020 cm−3 with an observed optical bandgap ranging from 1.5 to 1.9 eV. Raman spectra of low degenerate InN films show sharp E2 and A1(LO) modes whereas spectra of highly degenerate InN films show rather broad features indicating the presence of a large number of structural defects. In the latter samples a resonance enhanced Raman scattering is observed especially with 785 nm excitation energy, where the excitation energy matches the optical energy bandgap. Another interesting observation is that the expected coupled plasmon LO-phonon modes are not detected in these films, rather a phonon mode is observed at the location of the unscreened A1(LO) mode. The observation of unscreened LO-phonon, and the absence of coupled plasmon LO-phonon modes have been attributed to Landau damping of the higher energy mode and coupling of the lower energy mode with the electron-hole pair excitations leading to the emergence of a mode very close to the A1(LO) mode.

Raman scattering study of GaAs crystalline layers grown by molecular beam epitaxy at low temperature

2000 ◽  
Vol 88 (7) ◽  
pp. 3948 ◽  
Author(s):  
H. Sano ◽  
A. Suda ◽  
T. Hatanaka ◽  
G. Mizutani ◽  
N. Otsuka
Keyword(s):  
Molecular Beam Epitaxy ◽  
Low Temperature ◽  
Raman Scattering ◽  
Molecular Beam ◽  
Scattering Study
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