Now showing items 21-35 of 35

• #### A Microfluidic Microprocessor: Controlling Biomemetic Containers and Cells using Hybrid Integrated Circuit / Microfluidic Chips ﻿

(Royal Society of Chemistry, 2010-06-02)
We present an integrated platform for performing biological and chemical experiments on a chip based on CMOS (complementary metal–oxide–semiconductor) technology. We have developed a hybrid integrated circuit (IC) / ...
• #### Microwave Dielectric Heating of Drops in Microfluidic Devices ﻿

(Royal Society of Chemistry, 2009)
We present a technique to locally and rapidly heat water drops in microfluidic devices with microwave dielectric heating. Water absorbs microwave power more efficiently than polymers, glass, and oils due to its permanent ...
• #### Microwave dielectric heating of non-aqueous droplets in a microfluidic device for nanoparticle synthesis ﻿

(Royal Society of Chemistry (RSC), 2013)
We describe a microfluidic device with an integrated microwave heater specifically designed to dielectrically heat non-aqueous droplets using time-varying electrical fields with the frequency range between 700 and 900 MHz. ...
• #### Nanoscale Magnetic Materials for Energy-Efficient Spin Based Transistors ﻿

(2015-05-01)
In this dissertation, I study the physical behavior of nanoscale magnetic materials and build spin-based transistors that encode information in magnetic domain walls. It can be argued that energy dissipation is the most ...
• #### Novel fabrication of diamond nanophotonics coupled to single-photon detectors ﻿

(SPIE-Intl Soc Optical Eng, 2017)
Freestanding diamond nanostructures are etched from a bulk diamond substrate and integrated with evanescently coupled superconduncting nanowire single-photon detectors.
• #### Point-of-Care Systems for Cellular Analysis ﻿

(2015-01-29)
Cellular analysis is a vital part of diagnostics testing for most diseases. The development of modern technologies has led to great advancement in this task. However, the use of cellular analysis systems is limited mainly ...
• #### Proposed Triaxial Atomic Force Microscope Contact Free Tweezers for Nanoassembly ﻿

(Institute of Physics, 2009)
We propose a triaxial atomic force microscope contact-free tweezer (TACT) for the controlled assembly of nanoparticles suspended in a liquid. The TACT overcomes four major challenges faced in nanoassembly, as follows. ...
• #### Quantum Dots for Conventional and Topological Qubits ﻿

(2015-09-29)
This thesis presents a series of quantum dot studies, performed with an eye towards improved conventional and topological qubits. Chapters 1-3 focus on improved conventional (spin) qubits; Chapters 4-6 focus on the topological ...
• #### Scaling of Transverse Nuclear Magnetic Relaxation due to Magnetic Nanoparticle Aggregation ﻿

(Elsevier, 2010)
The aggregation of superparamagnetic iron oxide (SPIO) nanoparticles decreases the transverse nuclear magnetic resonance (NMR) relaxation time $T_{2}^{CP}$ of adjacent water molecules measured by a Carr-Purcell-Meiboom-Gill ...
• #### Scanning gate imaging of quantum dots in 1D ultra-thin InAs/InP nanowires ﻿

(IOP Publishing, 2011)
We use a scanning gate microscope (SGM) to characterize one-dimensional ultra-thin (diameter ≈ 30 nm) InAs/InP heterostructure nanowires containing a nominally 300 nm long InAs quantum dot defined by two InP tunnel barriers. ...
• #### Self-Driving Capacitive Cantilevers for High-Frequency Atomic Force Microscopy ﻿

(American Institute of Physics, 2012)
We demonstrate a simple way to actuate an atomic force microscope cantilever at high frequencies by electrically driving a thin-film capacitor on its surface. Capacitive driving directly actuates the vibrational mode of ...
• #### Superconducting Proximity Effect in Graphene Nanodevices: A Transport and Tunneling Study ﻿

(2016-01-29)
Provided that it is in good electrical contact with a superconductor, a normal metal can acquire superconducting properties when the temperature is low enough. Known as the superconducting proximity effect, this phenomenon ...
• #### Topological Graphene Imaging and Fabrication of Devices ﻿

(Microscopy Society of America, 2012)
• #### Triaxial AFM Probes for Noncontact Trapping and Manipulation ﻿

(American Chemical Society, 2011)
We show that a triaxial atomic force microscopy probe creates a noncontact trap for a single particle in a fluid via negative dielectrophoresis. A zero in the electric field profile traps the particle above the probe ...