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Showing 1 to 20 of 54 for “"Interfacial layer"”.
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TEM Study of a RTO Oxide-Interfacial Layer on Epitaxial-Cobalt Silicide (CoSi2) Formation
… thermal stability, low stress state and interfacial uniformity with the silicon substrate. Recently, there has been many studies to investigate the growth of epitaxial CoSi2 on Si using a interlayer material such as Ti (TIME) and SiOx (OME). In this project, transmission electron …
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Formation And Growth Mechanisms of a High Temperature Interfacial Layer Between Al and TiO2
… temperature and normal atmospheric pressure. The interfacial region between the reactant compounds is examined using analytical techniques; and the formation of TiAl as the interfacial compound is described. The thermodynamics of the Al – Ti – O system is explained as it relates to the particular …
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High-K MOSFETS with high mobility channels
… surface channel for pMOSFET. A high-??/I?-SiGe interfacial layer contains GeOx if the dielectrics are deposited on I?-SiGe directly, whereas the interfacial layer contains no GeOx but SiNxOy if a nitridation treatment is performed on I?-SiGe prior to the dielectrics deposition. The nitridation …
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Surface tracking in the inter-phase region of large transformers
… The experiments have revealed the role of the interfacial layer in the transport of charge across the surface of the oil-pressboard interface. It is found that the interaction between the electric fields from adjacent voltage coils enhances the polarisation of the interfacial layer at the …
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Photosynthesis-inspired device architectures for organic photovoltaics
… introducing an external light absorbing antenna layer. We model energy transfer from the antenna to the charge generating layers via surface plasmon polariton modes in the interfacial thin silver contact and via radiation into waveguide modes. We experimentally demonstrate devices with both …
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Coarse-grained simulations to predict structure and properties of polymer nanocomposites
… class of materials characterized by their large interfacial areas between the host polymer and nanofiller. This unique feature, due to the size of the nanofiller, is understood to be the cause of enhanced mechanical, electrical, optical, and barrier properties observed of PNCs, relative to the …
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TiN/HfO2/SiO2/Si gate stacks reliability : Contribution of HfO2 and interfacial SiO2 layer
… of transistors (45nm and beyond) which has an interfacial layer (IL: typically SiO_2) between high-[kappa] and the substrate, needs to be investigated. To understand the breakdown mechanism of high-[kappa]/SiO_2 gate stack completely, it is important to study this multi-layer structure …
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Optische und elektrische Spektroskopie an alternativen Absorbermaterialien für organische Solarzellen
… An optimal post-heat treatment of the PEDOT:PSS interfacial layer in the organic solar cell is shown. A part of this thesis is concerned with studies of different alternative materials and concepts. Low-band-gap-polymers as well as double-cable-polymers and full polymer solar cells are …
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Finite Element Analysis Of A Test Specimen For Strength Of A Co-polymer Layer At A Bone-implant Interface
… (MMA), so that it can be applied as an interfacial layer between bone cement and steel implants to improve their performance and life. Finite element (FE) analysis techniques are used to assess the behavior of the interface layer under static and dynamic loading conditions. The material …
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HfO2 as gate dielectric on Si and Ge substrate
… is mainly due to the formation of unstable interfacial layer of GeO_2 during the HfO_2 deposition. To minimize this effect, Ge surface was treated with the beam of atomic nitrogen prior to the dielectric deposition. The effect of surface nitridation, on interface as well as on bulk oxide, …
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Mechanoluminescence and Sonoluminescence From Acoustic Cavitation
… impact of the organic molecules within the interfacial layer of the bubble while at higher concentration and higher acoustic pressure thermal emission dominated.
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Novel characterization of materials using THz spectroscopic techniques
… to deduce the number of defect states in buried layers. The study also attempts to develop a preliminary model based on effective medium approximations to predict the thickness of the interfacial layer which might be having a myriad of applications in the semiconductor industry. The …
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Aqueous-Derived Thin Films and their Interfacial Interactions with Semiconductor Surfaces: A Spectroscopic Study
… degrade device performance due to its electronic interfacial states. In addition, aqueousderived thin films suffer from poor electrical performance due to mobile water and hydroxyl protons, often requiring very high temperature anneals to mitigate. Such anneals compromise the interface between the …
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Heterogeneous nucleation in polymer crystallization
… agent has been evaluated by the study of the interfacial layer between the polymer and the substrate of densely packed particles using light microscopy and by quantitative analysis of the DSC cooling exotherms, obtained from polymers with homogeneously dispersed nucleating agent. It has been …
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Design, fabrication, and characterization of germanium MOSFETs with high-k gate dielectric stacks based on the nitride interfacial layers
… poor physical and electrical properties so an interfacial layer is required. Proposed interlayers include GeON, Si, and metal nitrides such as AIN and Hf3N4. This work focuses on the fabrication and characterization of germanium MOSFETs with GeON, Hf3N4, and AIN interlayers. WN/A1203/AIN gate …
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Instability-induced transformation of interfacial layers in composites and its multifunctional applications
… in the microstructure of composites with thin interfacial layers. The hybrid microstructure of a composite material has an essential influence on the effective properties and behavior of the composite. Hence, in this research, the principles and mechanics of interfacial layer instabilities are …
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H-BN integration in III-nitride devices for green hydrogen applications
… of h-BN, a two-dimensional material with a layered structure, into InGaN PEC systems. h-BN can reduce production costs by enabling the reuse of growth substrates when used as a release layer. It can also enhance hydrogen production efficiency by reducing the dislocation density when used as …
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The study of surface SHG and polygonal microcavity design for nonlinear applications on LiNbO<sub>3</sub>
… performed on LiNbO<sub>3</sub> to reveal the interfacial layer symmetry as the crystal is rotated around the z axis. RSHG was also used, unsuccessfully as a non-destructive tool to map the domain-inverted area in the poled LiNbO<sub>3</sub> crystals. But nevertheless, the polarity of the …
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Surface Activity at the Air-Water Interface and Self-Stratification of Silica Nanoparticles Functionalized with Tri-Methoxy Poly(ethylene glycol) Silane
… 80-100 nm in size, consistent with DLS results. Interfacial dilatational rheology at the air-water interface with adsorbed particles was characterized using pendant drop tensiometry. A surrogate latex formulation was prepared to test the self-stratification of functionalized SNPs, consisting of …
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Study of Transport Properties of Tantalum Pentoxide for High Temperature Thermal Management and Water Purification Systems
… 1-D photonic structure consisting of alternating layers of Ta2O5 and SiO 2. A combination of multiple angle FTIR spectrometry, reactive-diffusive modeling and thin-film elemental spectroscopy (Auger, XPS) is used to quantify reactive diffusion coefficients and high temperature IR optical …
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