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 532 for “"field-effect"”.
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NANOSCALE EFFECTS IN JUNCTIONLESS FIELD EFFECT TRANSISTORS
Though the concept of junctionless field effect transistor (JLFET) is old, it was not possible to fabricate a useful JLFET device, as it requires a very shallow channel region. Very recently, the emergence of new and advanced technologies has made it possible to create viable JLFET devices using …
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Electric field effect on magnetic interface phenomena
L'abstract è presente nell'allegato / the abstract is in the attachment
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Interfacial Studies of Organic Field-Effect Transistors
Organic field-effect transistors (OFETs) are potential components for large-area electronics because of their attractive advantages: light weight, cost-effective and large-area processability, flexibility and resonable performance potential. However, the commercialization of OFETs faces several …
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Silicon field-effect sensors for biomolecular assays
… molecules interfere with biological function. Field-effect sensing is a method of directly sensing intrinsic electrical charge associated with biomolecules without the need for reporter molecules. Microfabrication of field-effect biosensors enables their integration in compact microanalytical …
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Light scattering studies of organic field effect transistors
… 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 is required before the full potential of organic field effect transistors (OFETs), organic light emitting …
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Improving the Stability of Organic Field-Effect Transistors
… of low-temperature solution-processing, organic field-effect transistors (OFETs) have evolved from a convenient tool for semiconductor parameter analysis to a technology slowly entering the market as circuit components in flexible electronics. Since the first devices in the 1980s, OFET mobilities …
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Magnetically controlled chemical potential in field effect devices
… on a CoPt gated metal-oxide-semiconductor� field effect transistor. In the last part of my thesis, I present a study of the response of a metal SET to a radio-frequency perturbation, which showed the conditions of maximum sensitivity and set a lower limit to the detection bandwidth of the …
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Carbon nanotube field effect transistors for power application
… semiconductors from which carbon nanotube field effect transistors (CNTFETs) can be made. The small feature size and high electron mobility of the CNT makes it attractive and a good candidate to replace modern MOSFETs. So far, most fabricated CNTFETs conduct currents only on the order of …
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Fabrication technology for double-gate field effect transistors
Thesis (S.M.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1999.
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Leakage gate current in a heterostructure field effect transistor
… gate current in a heterostructure insulated-gate field effect transistor (HIGFET) is presented. Three important components of the leakage gate current, namely 2-D tunneling, 3-D tunneling and thermionic emission current, are considered. The conduction band edge profile of the HIGFET is obtained by …
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Multi-functional Hybrid Gating Silicon Nanowire Field-effect Transistors
… architecture. Implementing such new devices can effectively perform machine learning tasks without the massive consumption of energy. The hybrid Si nanowire devices have an excellent capability to replace the conventional computing element by providing new functionalities of combined materials to …
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Polarization-induced transport in ferroelelctric organic field-effect transistors
… the role of ferroelectric dielectrics in organic field-effect transistors (FETs) to understand the mechanism of charge transport in organic semiconductors. The ferroelectric nature of the polymer, poly(vinylidene fluoride) (PVDF)), has been known for over 45 years. However, its role in interfacial …
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Zinc oxide nanowire field effect transistors for sensor applications
A wide variety of tunable physio-chemical properties make ZnO nanowires a promising candidate for functional device applications. Although bottom-up grown nanowires are producible in volume, their high-throughput device integration requires control over dimensions and, more importantly, of precise …
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Electrolyte-gated graphene field-effect transistors : modeling and applications
… presents a model for electrolyte-gated graphene field-effect transistors (EGFETs) that incorporates the effects of the double layer capacitance and the quantum capacitance of graphene. The model is validated through experimental graphene EGFETs, which were fabricated and measured to provide …
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Characterization of organic field effect transistors for OLED displays
This thesis explores the characterization of OFETs that will aid the circuit design of OLED pixel drivers. The contact resistance, flat band voltage, and mobility are extracted from top contact and bottom contact transistors with current-voltage (I-V) and low frequency capacitance-voltage (C-V) …
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CHARGE TRANSPORT IN ORGANIC AND HYBRID PEROVSKITE FIELD EFFECT TRANSISTORS
… silicon-based electronics. We fabricate organic field-effect transistors (OFETs) and through the use of several device architectures, in combination with surface treatments, we were able to achieve mobilities as high as 6.8 cm2/Vs. We find that the microstrain induced in the organic semiconductor …
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Enhancement of field-effect mobility of organic thin film transistors.
Enhancement of field-effect mobility of organic thin film transistors.
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