Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 3 of 3 for “"exciton oscillator strengths"”.
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Quasi-Two-Dimensional Phenomena at Aluminum-Gallium - Arsenide - Gallium-Arsenide Heterointerfaces: Multiple Quantum Wells and Modulation-Doped Structures (Superlattice, Modfet, Semiconductors)
… described: optical absorption coefficients and exciton oscillator strengths in AlGaAs-GaAs multiple quantum wells are greatly enhanced as well widths become narrower: this effect is in excellent agreement with recent calculation. Additionally acceptor energies in quantum wells are studied both …
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Electric field effects on optical absorption by excitons in semiconductors
The effect of an electric field on exciton oscillator strengths is calculated for both bound and continuum states. The calculation is performed for Wannier excitons using the effective~mass approximation at both the Mo and M3 type edges. In comparison with single-particle theory, the inclusion of …
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Quasi-two-dimensional phenomena at AlGaAs-GaAs heterointerfaces, multiple quantum wells and modulation-doped structures
… described: optical absorption coefficients and exciton oscillator strengths in AIGaAs-GaAs multiple quantum wells are greatly enhanced as well widths become narrower: this effect is in excellent agreement with recent calculation. Additionally acceptor energies in quantum wells are studied both …