Browsing by FAS Department "Engineering and Applied Sciences - Applied Physics"
Now showing items 1-20 of 103
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A Floating Probe Force Microscope With Sub-Femtonewton Resolution
(2017-01-13)Forces at the femtonewton level and below are poised to be highly relevant in a number of scientific disciplines– including studies in optics and photonics, molecular biology, and even microfluidics. It is highly practical, ... -
A Framework for Understanding Small Nervous Systems
(2017-01-09)How do we find important neurons and understand how their dynamics control behavior? Both of these are challenging and general problems in neuroscience. In this dissertation supervised by Sharad Ramanathan, I developed a ... -
About Meta-Lenses and Microfluidic Droplet Makers: Manipulating Matter and Optical Flows for Novel Applications
(2019-12-19)Through the advancements in semiconductor industry, it is possible to control light at the scale of the wavelength. This enables new novel applications known as meta-surfaces. I had the great honor to work with Prof. Dr. ... -
Active dynamics of microtubule and motor protein networks
(2017-05-04)Cellular components have the remarkable ability to self-organize in space and time into higher order structures necessary to carry out biological functions. One example of such a structure is the spindle apparatus, a ... -
An Airborne Infrared Spectrometer for Coronal Observations: Development, Characterization, and First Science Results from the 2017 Solar Eclipse
(2018-09-16)The solar magnetic field enables the heating of the corona and provides its underlying structure. Energy stored in coronal magnetic fields is released in flares and coronal mass ejections and ultimately drives space weather. ... -
Applications of Nonlinear Optics in 3D Direct Laser Writing and Integrated Nanophotonics
(2016-05-17)This thesis presents novel applications of nonlinear optics in laser fabrication and sources of entangled photons for quantum optics. Femtosecond direct laser writing in transparent media enables mask-less fabrication of ... -
Atmospheric Pressure Chemical Vapor Deposition of Fluorine-Doped Tin Oxide and Tin-Germanium Oxide: Photovoltaic and Energy Storage Applications
(2018-05-11)This dissertation addresses renewable energy in two ways: energy storage technology that eases the integration of large-scale wind and solar power into the electric grid, and an earth- abundant solar cell layer intended ... -
Atomic Layer Deposition Mechanisms and Crystal Structures of Tin Sulfide & Other Issues Related to Tin Sulfide Solar Cells
(2018-05-11)Tin monosulfide (SnS) has been investigated as a solar cell absorber due to its suitable bandgap and high absorption. The optoelectronic properties of SnS are largely dependent on its microstructure and deposition methods. ... -
Atomic Layer Deposition of Manganese Silicate, Molecular Layer Deposition of Polyimide and Their Applications
(2018-09-16)A convenient and highly controllable atomic layer deposition (ALD) of manganese silicate (MnSixOy) thin film method is presented in this thesis. This method can achieve high conformal films on any three-dimensional structures. ... -
Bacterial Approaches to the Recovery of Scarce Metals
(2015-05-05)Many of the scarcest metals are critical to future energy technologies. However, these metals often have limited supplies, and their current production and recycling methods are complicated and use toxic chemicals. In ... -
Biophysics of chromosome segregation: New evidence for a pushing body model of chromosome segregation
(2018-09-06)Chromosome segregation is the essential process during cell division. In all eukaryotes, chromosome segregation is carried out by the spindle, which consists of microtubules and associated proteins. Despite being studied ... -
Biophysics of Kinetochore-Microtubule Interaction: Quantitative Measurement of NDC80 Binding in Cell Using FLIM-FRET
(2017-05-12)Chromosome motion during cell division is driven by coupling the dynamic ends of microtubules to the kinetochore. Erroneous kinetochore-microtubule attachments frequently occur in early mitosis, but are corrected to prevent ... -
Clogging Mechanisms in Converging Microchannels
(2016-01-29)Many technological and biomedical applications ranging from water filtration and oil extraction to arteriosclerosis and vein thrombosis rely upon the transport of solids in liquids. Particulate matter suspended in liquid ... -
CMOS Nanoelectrode Array for High Throughput Electrocardiography
(2020-01-17)It has been a perpetual desire for human being to understand our own intelligence. Following the series of breakthroughs in the 20th century, neuroscience has enjoyed the spotlight being one of the most promising and ... -
Controlling the Phase of Titanium Dioxide for Nanophotonic Devices
(2019-02-25)In this thesis we investigate using different phases of titanium dioxide (TiO2) for nanophotonic devices. We build on our previous work with amorphous and polycrystalline anatase TiO2 thin films and nanophotonic devices ... -
Correlated Oxides: Material Physics and Devices
(2015-05-15)In this work we study the metal-insulator transition in vanadium dioxide and samarium nickelate and the application of such transitions in electronic devices. Chapter 1 provides an introduction to the Mott metal-insulator ... -
Coupling Plasmonic Cavities to Quantum Emitters
(2017-09-08)Nano-plasmonic devices can have a wide variety of applications that rely on strongly enhanced optical fields confined well below the diffraction limit. The applications could be surface-enhanced Raman scattering, nanoscale ... -
Development of New Tools for Single-Molecule Force Spectroscopy & The Application of these Tools to Mapping the Role of Force Directionality in the Actin Mechanome
(2015-09-28)Actin filaments serve as a hub of focal adhesion-based mechanotransduction network in a wide variety of cell types. In this role filaments and networks of filaments are exposed to forces in a range of directions and ... -
Development of Tin(II) Sulfide Solar Cells by Interface Engineering and Absorber Alloying
(2017-05-12)Tin(II) sulfide (SnS) is a promising candidate for alternative photovoltaic (PV) materials. Composed of cheap, non-toxic and earth-abundant elemental constituents, SnS has appropriate band gap and high absorption coefficient. ... -
Direct Liquid Evaporation Chemical Vapor Deposition(DLE-CVD) of Nickel, Manganese and Copper-Based Thin Films for Interconnects in Three-Dimensional Microelectronic Systems
(2016-05-19)Electrical interconnects are an intrinsic part of any electronic system. These interconnects have to perform reliably under a wide range of environmental conditions and survive stresses induced from thermal, mechanical, ...