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CNST Group Seminars

Displaying CNST Group Seminars from January 01, 2014 To December 30, 2014

Photoluminescence of the Titanium Dioxide-Effect of UV Light and Adsorbed Molecules on Surface Band Structure
January 13, 2014

The photoluminescence (PL) of powdered titanium dioxide at 529.5 nm (2.34 eV) has been found to be a sensitive indicator of UV-induced surface … more

Tunneling Anisotropic Magneto-Seebeck Effect
January 14, 2014

Due to their ubiquitous presence in spinning hard-drive technologies and growing potential as commercially viable memory bits, magnetic tunnel … more

Nanophotonic optomechanics in Si and wide-bandgap materials
January 17, 2014

Recent advances in optomechanics utilize the co-localization of optical and mechanical modes for coherent energy exchange between photons and … more

Quantum Motion and Microwave Fields
January 27, 2014

The boundary between quantum and classical physics is continually evolving, with nano- and micron scale mechanical oscillators very recently … more

Memristors: artificial nano-synapses
January 31, 2014

Memristors are nanometer size non-volatile tunable resistances. The resistance state of these devices can be changed by varying the voltage or the … more

In Situ Microscopy and Spectroscopy Study of the Early-Stage Oxidation of Metals and Alloys
February 3, 2014

Oxidation, with effects both beneficial and deleterious, plays an enormous role in technology, from causing serious corrosion problems, to … more

Nanoplasmonics: Physics and Applications
February 11, 2014

When light interacts with metallic nanostructures, it can excite free-electron near the metal surface. The electromagnetic resonances associated … more

Antiferromagnetic Domain Wall Manipulation and Measurement in Chromium Films
February 19, 2014

Antiferromagnets are described by their local magnetization as well as how this magnetization evolves with position. This contrasts with … more

Advances in Single Molecule Methods with Applications to Interfacial Science and Biophysics
February 24, 2014

Single molecule methods have proven to be powerful tools that can yield complementary information to standard, ensemble averaged techniques. … more

Brillouin Light Scattering Study of Linear and Nonlinear Spin Dynamics in Magnetic Thin Films
February 24, 2014

Brillouin light scattering (BLS), an inelastic light scattering technique, has been used for decades to study phonons and magnons, also known as … more

Topology, symmetry, and edge states in graphene heterostructures
February 27, 2014

Low-dimensional electronic systems have traditionally been obtained by electrostatically confining electrons, either in heterostructures or in … more

Enhancing Magnetic Resonance Imaging and Sensing through Micro‐ and Nanofabrication
March 6, 2014

Magnetic resonance imaging (MRI) has rapidly become one of the most widely used medical imaging and diagnostic tools. Not requiring ionizing … more

Plasmonic Antennas for Surface-Enhanced Raman Scattering: From Classical to Quantum
March 14, 2014

Surface-enhanced Raman scattering (SERS) is an analytical technique that enables molecules to be identified from their vibrational spectra, even at … more

Using Solution Phase Self-Assembly to Control the Properties of Magnetic and Magnetoelectric Nanostructures
March 19, 2014

This talk will focus on the use of nanoscale architectures to control properties in magnetic and magnetoelectric materials. Magnetoelectric … more

Catalytic Studies of Gold Nanoparticles using Single-Molecule Fluorescence Microscopy
March 21, 2014

Noble metal nanoparticles are an important class of catalyst, however they are inherently heterogeneous. This makes studying them at the … more

Development of tailored scanning probes to study condensed matter systems at the nanoscale: From high mobility two-dimensional electron systems to the nitrogen-vacancy center in diamond
March 28, 2014

High mobility electron systems have traditionally been difficult to spatially probe on a local scale because they are typically found at buried … more

Characterizing Electrostatic Interactions at Interfaces using Quantitative Single Molecule Fluorescence Microscopy
April 2, 2014

Rather than using single-molecule fluorescence microscopy to make simple structural maps, this research is focused on developing advanced imaging … more

Magnetic Skyrmions in Thin Films for Information Technology and Novel Physics
April 3, 2014

Skyrmions, topologically protected, particle-like "whorls" of magnetization, are a promising platform for extremely low-power spintronic memory … more

Non-volatile resistive memory: what’s going on inside the cell?
April 15, 2014

Non-volatile resistive switching memory (ReRAM) technology promises to overcome the scaling limit approached by the conventional electron storage … more

Floating Catalyst CVD Syntheses of SWNTs for Thin Film Devices – Lessons Learned and Future Directions
April 17, 2014

We discuss (n,m) distributions of our floating catalyst chemical vapor deposition (FFCVD) synthesis of SWCNTs from CO using Fe catalyst clusters … more

3-Dimensional Tracking of Non-blinking
April 21, 2014

While semiconductor quantum dots (QDs) have been used successfully in numerous single particle tracking (SPT) studies due to their high … more

Accurate 10 nm 3D SEM Metrology
April 22, 2014

The shape and dimensions of nanometer-scale structures were successfully determined using a model-based library scanning electron microscope (SEM) … more

Electrochemistry With Nanoelectrodes
April 23, 2014

Nanometer-sized electrodes have drawn considerable interest in recent years. One of the reasons is that with nanoelectrodes one can obtain a high … more

Computational Studies of Energy-Related Materials
April 24, 2014

Computational modeling plays an increasingly important role in the materials studies. Here we present our computational studies on the materials … more

From Next Generation DNA Sequencing to the Novel Characterization of Biomolecular Fluctuations
May 2, 2014

Nanoscale devices that address or detect individual molecules offer a new paradigm for sensing and have the potential to revolutionize a broad … more

Prediction and Validation of Diffusion Coefficients in a Model Drug Delivery System
May 14, 2014

Diffusion of drug and solvent in polymer-based drug delivery systems is of central significance to controlled drug delivery, as well as to the … more

The Casimir Force on Nanostructured Surfaces: Geometry and Finite Conductivity Effects
May 16, 2014

The Casimir force is a quantum effect that strongly depends on not only the material properties but also the shape of the boundary of the … more

Light Sheet Fluorescence Microscopy (LSFM): Imaging Faster and Gentler
May 20, 2014

Light Sheet Fluorescence Microscopy (LSFM) has emerged as a powerful fluorescence microscopy tool for cell and developmental biology. LSFM is very … more

Nanoscale probing with single quantum dots
June 19, 2014

The ability to position nanoscopic objects at precise locations on a surface is essential for a broad range of applications. One such application … more

Resonant Micro and Nanoelectromechanical
June 23, 2014

Resonant micro- and nanoelectromechanical systems (MEMS and NEMS) have demonstrated a number of recent scientific advancements, translating into a … more

Growth of Low-Damping YIG Films and Spin Pumping of YIG Films
June 23, 2014

If a magnetic field is applied to a magnetic material, the field produces a torque on the magnetization of the material and thereby drives the … more

Using Ultrashort Optical Pulses to Shed New Light on Complex Matter
June 25, 2014

Ultrashort optical spectroscopy (UOS) is the only experimental technique capable of probing the properties of complex materials at the fundamental … more

Memristive Nanodevices
June 27, 2014

Developing electronics beyond Moore’s Law requires revolutionary vision in novel devices, disruptive technologies, new materials and alternative … more

Micro-Devices for Intra-Cellular Recordings in Awake Active Brains
June 30, 2014

Much is known about the potential cellular and synaptic mechanisms of brain learning from in vitro studies; however, the extent to which these … more

Hybrid Interactions in Plasmonic and Molecular Systems Resulting in Fano Resonances and Surface Enhanced Infrared Absorption (SEIRA)
July 3, 2014

One of the fundamental properties of nanophotonics research is the electromagnetic interaction of different systems at the nanoscale. When the … more

Nano-Materials and Devices for Beyond CMOS Applications
July 11, 2014

Transistor scaling to increase device density and performance has enabled the advancement of integrated circuit technology. As scaling becomes more … more

Physics and Applications of Plasmonic Metamaterials: From Terahertz to the Ultraviolet
July 28, 2014

The field of plasmonics and metamaterials deals with the interaction of light with metallic or metallo-dielectric structures on a … more

High Throughput Second Order Nonlinear Optical Imaging and High Frame-Rate Lissajous Scanned Imaging
July 28, 2014

Active pharmaceutical ingredients (APIs) are typically required to be sufficiently hydrophobic to pass through lipid membranes and ultimately reach … more

An Overview of Microwave‐assisted Techniques as Related to the Synthesis Nanomaterials, and the Associated Benefits of Very Accurate Temperature and Microwave Power Control
July 29, 2014

In recent years the synthesis of nanomaterials has become a major topic in scientific research. In different chemical disciplines numerous methods … more

High-Density Micro Electrodes for Stable Interfaces with Brain and Peripheral Nervous System
July 30, 2014

Multielectrode arrays are an essential tool in experimental and clinical neuroscience, yet current designs are severely limited by a mismatch … more

An Electron Spin Resonance Analysis of Metal Histidine Coordination In Amyloid-beta
August 4, 2014

In this work Electron Spin Resonance (ESR) spectroscopy is used to gain more insight into less explored aspects of Cu(II) coordination in … more

Electrostatics at the Membrane/Peptide Interface: Utilizing pH Sensitive Spin Labels to Probe the Bilayer Interior
August 13, 2014

Polarity, electric potentials, and hydration are the major physico-chemical characteristics of lipid membranes that govern membrane-protein and … more

Emergent Optical Phenomena in Disordered Nanoparticles: Quadrupole Enhanced Raman Scattering (QERS) and Strong Optical Magnetic Plasmons
August 18, 2014

The rule of thumb in the design of plasmonic nano-antennae and waveguides is to fabricate, or to synthesize nanostructures with perfect shapes and … more

Atomic Surface Structures of Oxide Nanocrystals and Their Catalytic Applications
August 28, 2014

Oxide nanoparticles are widely used in heterogeneous catalysis. The surface structures of oxide nanoparticles are of particular interest as they … more

Polymer Physics 2.0: Exploiting Programmable Nanomaterials to Control Phase and Material Properties of Soft Matter
September 5, 2014

Biologically evolved materials are often used as inspiration in the both the development of new materials as well as examinations into the … more

ASML Stepper User Seminar
September 9, 2014

The ASML 275D I-line stepper, an advanced projection photolithography tool, has been serving NanoFab users for 2 years. Its high resolution and … more

Single engineered donor atoms with nuclear and electron spin readout for quantum bits in silicon
September 22, 2014

Solid state transistors triggered a revolution in the way we store, compute and communicate information. Half a century after this revolution began … more

Separation and Characterization of 1D Nanostructures using Asymmetric Field Flow Fractionation and Online Detectors
September 26, 2014

The development and proliferation of quasi-1D nanomaterials has evolved far more rapidly than the measurement science necessary to characterize … more

Building a Fab on a Chip
October 10, 2014

The “Fab on a Chip” approach is a novel fabrication technique that leverages the control and stability of MEMS machines to fabricate structures on … more

Tunable Geometrical Frustration in Nanomagnet Arrays
October 14, 2014

Two-dimensional nanomagnet arrays known as “artificial spin ice” have become a valuable model system with which to explore on the microscopic scale … more

Ultrastable AFM: Improved Stability, Precision, and Bandwidth for BioAFM
October 14, 2014

Instrumental drift in atomic force microscopy (AFM) remains a critical issue that limits the precision and duration of experiments. Previously, we … more

Nanoscale Radiative Transfer and Properties with Metamaterials and Graphene
October 15, 2014

Tunneling of evanescent modes enables the radiative heat flux to be several orders of magnitude higher than that between far-field blackbodies, … more

Phonon Counting Experiments in Cavity-Optomechanics
October 27, 2014

Technical advances in the fabrication of micro- and nano-structures has recently led to, among other things, the laser cooling of mechanical … more

In Situ Manipulation of Magnetization via Direct Mechanical Interaction in Magnetostrictive Thin Films
October 29, 2014

The pursuit of a universal memory– possessing fast write/read times, nonvolatile and unlimited data endurance, low operating power, low … more

Nanoparticle Characterization and Material Discovery Using ZENO
October 30, 2014

The macroscopic properties of high-performance bulk polymer composite materials derive from the properties of the microscopic building block … more

Probing and Preparing Novel States of Quantum Gases in Optical Lattices
November 14, 2014

Quantum degenerate gases placed in optical lattices is an attractive platform to explore systems analogous to condensed matter and deepen our … more

Promise of 2D Materials
November 17, 2014

Two dimensional systems, by the virtue of their unique material properties and excellent electrostatic integrity, provide immense opportunities not … more

FIB Nanofabrication Employing High Resolution and Stable Gallium and New Ion Species
November 20, 2014

There are applications whereby Focused Ion Beam (FIB) nanofabrication can “win the race” against Electron Beam Lithography (EBL) in first … more

Complex Magnetic Fields Breathe Life into Fluids
December 4, 2014

There are many areas of science and technology where being able to generate vigorous, noncontact flow would be desirable. We have discovered that … more

Order From The Disorder: Hyperbranched Nanostructures Self-assembled From The Gas Phase. Applications To Photovoltaic, Water Splitting and Smart Surfaces
December 5, 2014

The assembly of nanoscale building blocks in engineered mesostructures is one of the fundamental goals of nanotechnology. Among the various … more

Kesterite Thin-Film Solar Cell Absorbers Derived Using Inhomogeneous Cu2ZnSnS4 Nanoparticle Inks
December 11, 2014

Kesterite is a quaternary/pentenary semiconductor Cu2ZnSn(S,Se)4 (CZTSSe) that consists earth-abundant, low-toxicity elements. It attracts great … more

Conductivity and Carrier Dynamics in Low-Dimensional Semiconductors
December 18, 2014

With the tremendous successes of the electronics and photonics industries, the performance of common device materials, such as silicon or III-V’s, … more


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