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.
Results
Showing 1 to 10 of 10 for “"semiconductor heterojunction"”.
-
Experimental investigation of hot electron and related effects in gallium(aluminum)arsenide devices
… to manufacture an entirely new class of heterojunction devices. Physical properties of semiconductor heterojunction devices such as resonant tunneling and ballistic transport and various hot electron effects discussed within, have been moved from the status of academic curiosity to …
-
Growth of a silicon-gallium phosphide heterojunction by liquid and vapour phase epitaxial techniques.
As the innovation of the semiconductor industry proceeds the semiconductor heterojunction is playing an increasingly important part. One such heterojunction, the silicon/gallium phosphide crystal, however, is still in early stages of investigation. If gallium phosphide epitaxial layers can he grown …
-
Temperature effects on the electronic properties of lead telluride (PbTe) and the influence of nano-size precipitates on the performance of thermoelectric materials. (SrTe precipitates in PbTe bulk material)
… the relative alignment of energy bands at the semiconductor heterojunction. The crystal shape of the SrTe precipitates in the PbTe host matrix was evaluated from the interface energies using the Wulffman construction. We also attempted to develop a relation between the interface energies and …
-
Hot electron injection effect and improved linearity in type-I/II DHBT for millimeter-wave mixed signal circuit applications
… high performance circuits composed of compound semiconductor heterojunction bipolar transistors (HBTs). The subject of this work is the design and fabrication of HBTs based on InP and the III-V compounds compatible with epitaxial growth on this substrate. The hot electron injection effect is …
-
Ultra-scaled III-V Vertical Tunneling Transistors
… We focus on the most promising group III-V semiconductor heterojunction structure, the broken-band GaSb/InAsSb system, in a vertical nanowire (VNW) TFET configuration. We first develop a new technology for ultra-scaled GaSb/InAsSb VNW fabrication, reaching a diameter as small as 5 nm. We …
-
Core-Level Photoemission Investigations of the Cadmium-Telluride(100) and Indium-Antimony(100) Surface and Interfacial Structures
… the clean (100) surfaces of the zinc-blende semiconductor materials CdTe and InSb. Several interfacial systems involving the surfaces of these materials were also studied, including the CdTe(100)-Ag interface, the CdTe(100)-Sb system, and the InSb(100)-Sn interface. High-energy electron …
-
Core-level photoemission investigations of the CDTE(100) and INSB(100) surface and interfacial structures
… the clean (100) surfaces of the zinc-blende semiconductor materials CdTe and InSb. Several interfacial systems involving the surfaces of these materials were also studied, including the CdTe(lOO)-Ag interface, the CdTe(lOO)-Sb system, and the InSb(lOO)-Sn interface. High-energy electron …
-
Fabrication and Characterization of ZnO/CuO Core-Shell Nanowire Arrays
… property. However, to form a <em>p-type</em> ZnO semiconductor is still a challenge. Copper oxide (CuO), compared to ZnO, has a much smaller band gap, 1.2 eV, and shows an intrinsically <em>p-type</em> semiconducting property. It has been suggested that when CuO is alloyed with ZnO properly, a …
-
Band engineering of metal oxide heterostructures for catalysis applications
… Most metal oxides are (wide band-gap) semiconductors and hence a semiconductor heterojunction is formed when one oxide is deposited on another. This conception of supported oxide catalysts allows for the use of heterojunction physics to predict the electron richness at the surface of …
-
NONLINEAR AND ULTRAFAST OPTICAL STUDIES OF INTERFACIAL PROCESSES IN PHOTOVOLTAIC NANOMATERIALS
… Another prominent example is the metal/semiconductor heterojunction systems. While it has been demonstrated that such mixed systems can significantly improve solar conversion efficiency, the mechanism of the electron dynamics driving these systems remains controversial. This stems in …