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 22 for “"Micro/nanoscale"”.
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Tribological studies of micro/nanoscale thin solid films
… such as in magnetic disks for data storage and microelectromechanical systems (MEMS) with the introduction of thin solid films coated on substrates. However, due to harsh operating conditions and higher performance requirements, it is necessary to explore new materials and develop experimental …
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Efficient multiscale methods for micro/nanoscale solid state heat transfer
In this thesis, we develop methods for solving the linearized Boltzmann transport equation (BTE) in the relaxation-time approximation for describing small-scale solidstate heat transfer. We first discuss a Monte Carlo (MC) solution method that builds upon the deviational energy-based Monte Carlo …
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Optical transient grating measurements of micro/nanoscale thermal transport and mechanical properties
… and surface wave propagation in a monolayer of micron sized spheres. In the transient grating technique two picosecond pulses are crossed to generate a spatially periodic intensity profile. The spatially periodic profile generates a material excitation with a well-defined wave vector. The time …
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Micro/nanoscale modeling of anisotropic mechanical properties of polymer/layered-silicate nanocomposites
… by clay particle volume fraction and micro/nano scale morphological features such as clay particle aspect ratio (length/thickness, L/t), clay particle distribution (random vs. regular patterns) and clay particle orientation distribution. Macroscopic moduli of these RVEs are predicted …
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Dynamic and quasi-static contact and scratch analysis of micro-nanoscale thin solid films with application to magnetic storage hard disk drives
With current demand for decreased size of micro/nanoscale systems, coupled with increased mobility, critical understanding of the ensuing contact or impact related behavior of thin solid films used in these systems is of paramount importance for improved design and reliability. In modern …
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Transfer printing based microassembly and colloidal quantum dot film integration
Micro / nanoscale manufacturing requires unique approaches to accommodate the immensely different characteristics of the miniscule objects due to their high surface area to volume ratio when compared with macroscale objects. Therefore, surface forces are much more dominating than body forces, which …
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Nano/Bio-Receiver Architectures and Detection Methods for Molecular Communications
… which aims at extending the connectivity into nanoscale and biological environments with collaborative networks of artificial nanomachines and biological entities integrated into the Internet. To enable the IoNT and its groundbreaking applications, such as real-time intrabody health monitoring, …
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A nano-stepping robotic instrumentation platform
… to address limitations of conventional benchtop micro/nanoscale measurement and manipulation systems by offering a low-cost, scalable alternative with comparable performance and extended functionality and flexibility. The design, fabrication, and evaluation the various electrical, mechanical, and …
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Effect of Aligned Nanoscale Surface Structures on Microbial Adhesion
Microbes in nature live collaboratively in adherent communities, known as biofilms. Biofilms can be contextually beneficial or detrimental. In medical implants, biofilms cause infections leading to additional healthcare costs of billions of dollars. Studies have found that micro/nanoscale surface …
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Modeling of the dynamics of autonomous catalytic nanomotors using the method of regularized stokeslets
… With the belief that precise control of microscale and nanoscale motors may eventually permit the design of functional machinery at these scales, researchers have been systematically designing such nanomotors and experimentally investigating their swimming behavior. The complex nature of …
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Macroscale Design and Modeling of Multifluidic Cantilever Devices for Advanced Nanoscale 3D Printing Applications
A reliably functioning nanoscale 3D printer would be revolutionary in the advancement of the field of bioprinting and nanoprinting technologies; it would have many broad ranging potential applications such as the creation of biocompatible medical devices, alleviation of disease/medical …
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Development of Bacteria-Based Bio-Hybrid Delivery Systems: Fabrication, and Characterization of Chemotaxis and Quorum Sensing
… actuation, control and communication modules for micro/nanoscale cargo-carrying vehicles by integrating live prokaryotic or eukaryotic cells with synthetic objects. More specifically, because micro/nanoparticles are able to transport cargos efficiently and bacteria can play the role of targeted …
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Interfacial Properties of Graphene for (Opto)Electronic Devices
… one of the most promising techniques to connect nanoscale devices. Despite the extensive research on molecular communication presented in the literature, the consequences of the interface between real transceiver topologies and channels are usually ignored, creating a significant mismatch between …
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Investigation of van der Waals ferroelectric CuInP2S6 by scanning probe microscopy
… the response to external fields. Scanning probe microscopy (SPM) can measure and collect rich multi-dimensional information and has become a powerful tool for the characterization of micro-nanoscale materials. Ferroelectric materials play an important role in non-volatile memory devices. With the …
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HIGH TEMPERATURE NANOMANUFACTURING FOR EMERGING TECHNOLOGIES
… stable and controllable heating strategies for micro/nanoscale high temperature engineering. Ultrahigh temperature annealing (>2500 K) is applied to carbon nanomaterials to address the defects and poor interfacial problems. In the carbon nanofibers (CNFs), the high temperature graphitizes the …
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Thermally Actuated Resonant Silicon Crystal Nanobalances
… references as well as electronic filters, micro-electro-mechanical resonators have attracted a lot of attention over the past decade. As a result, a wide variety of high frequency micro/nanoscale electromechanical resonators have recently been presented. MEMS resonators, as low-cost highly …
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Particle Transport in Confinement: Nonlinearity, Compressibility, and Steric Effects
… as biological cell membranes, porous media, and micro-/nanofluidic devices. Understanding the detailed transport mechanism of both, water and particulates in such systems, is the essential first step to understanding complicated biological phenomena, as well as to developing effective technology, …
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Nanostructured multifunctional materials for control of light transport and surface wettability
… and physical and chemical properties at the micro/nanoscale for adaptation to different environments, exhibiting a wide variety of beneficial functions, ranging from optical properties to wettability, such as anti-reflection coatings in moth eyes and self-cleaning surfaces of lotus leaves. …
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Thermo-mechanical behavior of silicon at nanoscale — an in situ investigation
Materials at the micrometer and submicrometer scale exhibit mechanical properties that are substantially different from bulk materials. With the increasing miniaturization of devices, accurate characterization of micro/nanoscale materials and fundamental understanding of their deformation mechanism …
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