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Showing 1 to 20 of 105 for “"Scattering studies"”.
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Light scattering studies on lecithin micellar solution
Thesis (Ph. D.)--Massachusetts Institute of Technology, Dept. of Physics, 1991.
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Light scattering studies of organic field effect transistors
Organic semiconductors hold a great promise of enabling new technology based on low cost and flexible electronic devices. While much work has been done in the field of organic semiconductors, the field is still quite immature when compared to that of traditional inorganic based devices. More work …
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Raman scattering studies of spinels CoV2O4 and MnV2O4
In this thesis, I present Raman scattering studies of the strongly correlated spinels CoV2O4 and MnV2O4. In CoV2O4, exclusive attention is given to a triply degenerate (T2g) phonon in order to determine the material's structural properties and explore coupling between the lattice and other degrees …
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Surface Enhanced Raman Scattering Studies in Ultrahigh Vacuum
We have observed Raman scattering signals from carbon monoxide adsorbed on silver films deposited on a 120 K substrate that are approximately 5 orders of magnitude stronger that would be expected from the known cross section. These studies were performed in an ultrahigh vacuum chamber. This …
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Surface enhanced Ramam scattering studies in ultrahigh vacuum
We have observed Raman scattering signals from carbon monoxide adsorbed on silver films deposited on a 120 K substrate that are approximately 5 orders of magnitude stronger than would be expected from the known cross section. These studies were performed in an ultrahigh vacuum chamber. This …
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Resonance raman scattering studies of GaAs-A1As superlattices
"We have made resonance Raman scattering studies of folded LA phonons and quantized LO phonons in several GaAs-AlAs superlattices. The motivation for this work was to study the electronic structure and the electron-phonon interaction in these structures. The samples were not intentionally doped. …
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Neutron scattering studies of intercalated transition metal dichalcogenides
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2023-04-12 without embargo terms
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Electron scattering studies of 166Er, 176Yb, and 238U.
Thesis: Ph. D., Massachusetts Institute of Technology, Department of Physics, 1977
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Neutron and x-ray scattering studies of layered solids
We report inelastic and quasielastic neutron scattering studies of graphite intercalation compounds and x-ray scattering studies of semiconductor films and superlattices which were grown by molecular beam epitaxy. For graphite intercalation compounds, these include measurements of the [00 1] …
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Resonant Raman scattering studies of III-V semiconductor microstructures
"Raman spectroscopy, an inelastic light scattering technique, explores III-V semiconductors by conveying crystal lattice structural information and by probing carrier dynamics both directly and via the electron-phonon interaction. We have examined three physical systems accentuating three aspects …
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Resonant Raman scattering studies of III-V semiconductor microstructures
Raman spectroscopy, an inelastic light scattering technique, explores III-V semiconductors by conveying crystal lattice structural information and by probing carrier dynamics both directly and via the electron-phonon interaction. We have examined three physical systems accentuating three aspects of …
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Scattering studies of density wave orders in unconventional superconductors
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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Light scattering studies of phase transition in polymer gels
Thesis (Ph.D.)--Massachusetts Institute of Technology, Dept. of Physics, 1999.
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Resonance Raman Scattering Studies of Gallium-Arsenide - Aluminum-Arsenide Superlattices
We have made resonance Raman scattering studies of folded LA phonons and quantized LO phonons in several GaAs-AlAs superlattices. The motivation for this work was to study the electronic structure and the electron-phonon interaction in these structures. The samples were not intentionally doped. The …
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Deep inelastic neutron scattering studies of condensed argon and neon
… range 18.3 to 85 K by deep-inelastic-neutron scattering. The Low Resolution Medium Energy Chopper Spectrometer (LRMECS) at Argonne National Laboratory's Intense Pulsed Neutron Source (IPNS) was used to measured the neutron Compton profile over the range of wave-vector transfers 192 to 254 …
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Raman scattering studies of aluminum gallium arsenide based semiconductor superlattices
Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-06-07T18:26:47Z No. of bitstreams: 1 1984_colvard.pdf: 4295312 bytes, checksum: ce5ff950ef04db12f158f3816d50fdc1 (MD5)
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Light scattering studies of heavy fermion and high Tc superconductors
In this thesis, light scattering techniques are used to probe the diverse excitation spectra of heavy fermion and high T c superconductors. Our studies of heavy fermion compounds principally demonstrate the efficacy of using light scattering techniques to probe spin fluctuations and crystal field …
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