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- W1546543145 abstract "Abstract : The research concentrated almost exclusively on the InAs/A1SB quantum well system, with some supporting work on the GaSb/A1Sb system. Many advances were made. The overall quality of the quantum wells improved, now routinely yielding room-temperature mobilities of 30,000cm2/Vs for 15nm wide wells. A new two-donor model explains the electron concentrations, in terms of a deep EL2- like bulk donor and a mysterious interface donor near the bottom of the well, below the lowest quantum state. A first systematic study of transport properties vs. well widths was undertaken, showing a steep drop in mobility for well widths below 10nm. Cyclotron resonance data taken at the University of Munich give quantitative evidence of non-parabolicity under the combined effect of quantization and band filling. Field effect transistors and photoluminescence data continue to present difficulties. Tilted superlattices (TSLs) from the GaSb/A1Sb system were demonstrated, with very promising properties, as were InAs quantum wells that incorporate GaSb/A1Sb TSLs either as corrugated barriers or as periodic center loading. A record electron mobility for InAs (613,000sq.cm/ Vs) was obtained in the corrugated barrier well." @default.
- W1546543145 created "2016-06-24" @default.
- W1546543145 creator A5055558095 @default.
- W1546543145 date "1990-12-27" @default.
- W1546543145 modified "2023-10-14" @default.
- W1546543145 title "New Kinds of Quantum Wells" @default.
- W1546543145 doi "https://doi.org/10.21236/ada230346" @default.
- W1546543145 hasPublicationYear "1990" @default.
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