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 20 of 49 for “"three-terminal"”.
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Three terminal Si-Si:Ge monolitic tandem solar cells
… in the stand-alone system. In this thesis a 3-terminal Si-Si:Ge monolithic tandem solar cell consisting of a top silicon solar cell and a bottom Si:Ge solar cell sharing a common base, which can take advantage of both the silicon solar cell and Si:Ge solar cells and overcome the current …
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Unified Three-terminal Switch Model for Current Mode Controls
… the primary objective is to develop a unified three-terminal switch model for current-mode control with different implementation methods, which are applicable in all the current mode control power converters. First, the existing model for current mode control is reviewed. The limitation of …
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Transverse and Longitudinal Tunneling in Confined Heterostructures
… in confined heterostructures. In particular, three different three-terminal devices are studied which take advantage of the quantum-mechanical nature of electrons and holes to exhibit negative differential resistance (NDR) via tunneling.
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Digital simulation of fault location algorithms for EHV transmission lines
… of the parameters. The analysis of the two and three terminal systems is carried out in the steady-state and transient conditions.
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High-speed characterizations of single quantum-well transistor laser
The transistor laser (TL) is a unique three-terminal semiconductor laser device that possesses qualities and functionalities that cannot be achieved by diode lasers alone. In this thesis, the history of development and device structure, as well as the carrier dynamics in the TL will be first …
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Equivalent Circuit Model for Current Mode Controls and Its Extensions
… the primary objective is to develop a unified three-terminal switch model for current-mode controls using the results of describing function derivation, which characterizes the small signal property of the common subcircuit of current mode controlled PWM converters. Its application is extended …
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Novel Thin Film Nanogap Device Fabrication And 3D Integration Enabled By Adhesion Lithography
… The works presented in this thesis are in three aspects: basic nanogap electrode fabrication, new device fabrication, and then system-level fabrication. Firstly, at the basic nanogap fabrication level, a total of ten new combinations (two symmetric and eight asymmetric) of nanogap …
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ACCELERATED ZONE-2 TRIP ALGORITHM FOR A NON-PILOT DISTANCE RELAY
… protection. The algorithm can be used in two- or three-terminal lines by changing its setting values. Tests using an electromagnetic transients program (EMTDC∕PSCAD) and Matlab are carried out to evaluate the performance of the proposed technique. The results are compared with the results obtained …
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Characteristics, Theory and Modeling of the Transistor Laser
… high differential optical gain, and unique three-terminal electrical-optical characteristics for direct “read-out” of its optical properties. These potentially lead to advantageous and useful features for designing high-speed optical transmitters that operate without the limitations of …
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Direct tunneling modulation and signal mixing of semiconductor lasers
… operation and electron-to-photon conversion. The three-terminal transistor structure has the potential to overcome the diode laser’s modulation speed limit by further reducing the carrier recombination lifetime. In addition, a recently discovered tunneling mechanism inside the transistor laser …
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Device Stack Optimization for Protonic Non-Volatile Programmable Resistors
… such as electrochemical ion-intercalation in three-terminal devices where channel resistance is modulated by ionic exchange via an electrolyte. Previous work has demonstrated such ionic programmable resistors featuring WO₃ as the channel, phosphorous-doped SiO₂ (PSG) as the electrolyte, Pd as …
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The transistor-injected quantum cascade laser
… transistor and the transistor laser are novel three-terminal photonic devices based on heterojunction bipolar transistors. In the direct-bandgap base of a light-emitting transistor the electron-hole recombination is utilized for optical emission. In a transistor laser the radiative …
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Application of PMU for system stability analysis with Thevenin equivalent modeling
… proposed conventional Thévenin method, a three-terminal Thévenin equivalent is used to model the power system. With the proposed Thévenin model, angle stability is presented as a change in the equivalent circuit. All methods are illustrated and applied in IEEE test cases and in real case …
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Design, fabrication, and characterization of high-speed light-emitting transistors and microcavity lasers
… transistor possesses, in addition, a unique three-terminal electrical-optical characteristic potentially leading to advantageous and useful features for high-speed short-range optical transmitters and interconnects. It has been shown that a microcavity vertical-cavity surface-emitting laser …
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Effects of Electron-Vibron Coupling in Single-Molecule Magnet Transport Junctions Using a Hybrid Density Functional Theory and Model Hamiltonian Approach
… between two electrodes can be fabricated in three-terminal devices, and that the characteristic magnetic anisotropy of the SMMs can be affected by electrons tunneling through the molecule. Vibrational modes of the SMM can couple to electronic charge and spin degrees of freedom, and this …
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True Anterior Hip Approach by Anatomical dissection
… hip arthritis. Result: Usually, there were three terminal branches to rectus femoris from the femoral nerve. The entry point of the first branch was at the proximal 17.5 ？ 31.4% portion of the rectus femoris. The second and the third branch entered at the proximal 22.5 ？ 40.7% and 26.3 ？ …
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The thermal expansion of ammonium chloride near the order-disorder transition
… order to test the predictions of the theory. A three terminal bridge measurement of an electrical capacitance determined by the length of single crystals of ammonium chloride was used to measure the thermal expansion of ammonium chloride. A discussion of the experimental arrangement is given. …
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Studies of the mechanism of oxygen atom transfer from molecular oxygen to iridium-coordinated cyclooctadiene
… experiments established the presence of three additional species in this reaction and the relationship between them. One of these intermediates, the oxametallacyclobutane complex ((C$\sb8$H$\sb{12}$O)Ir(P$\sb3$O$\sb9$)) ((n-C$\sb4$H$\sb9$)$\sb4$N) $\sb2$, e, was isolated and structurally …
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Electromechanical modulation of electrical conduction through organic thin films for switching applications
… through theoretical analysis of two- and three-terminal devices, demonstrating the possibility of energy efficient operation in the sub-1 V regime, with nanoseconds switching time and a large on-off current ratio of greater than 106. Based on the theoretical studies, design requirements …
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Transmit Diversity and its Application to Cooperative Networking
… array becomes high due to space constraints in a terminal, current performance achieving strategies do not actually deliver good results. Moreover, most mobile terminals are currently equipped with only one antenna. In view of this limitation, we study the recently proposed user cooperation …
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