Projects

Clusters of Damage in Irradiated DNA

Lead Institution

Colorado State University

Principal Investigator

John Zimbrick

Project type

Large-Scale EMSL Research

This EMSL project will increase our knowledge of the spatial characteristics of the free radical damage at the interface between the physical deposition of energy in DNA from gamma irradiation and…

The Impact of Carbonate on Surface Protonation, Electron Transfer and Crystallization Reactions in Iron Oxide Nanoparticles and Colloids

Lead Institution

University of Alabama

Principal Investigator

David Dixon

Project type

Large-Scale EMSL Research

In this proposal we outline a plan to address three key issues of importance in the geochemical behavior of iron oxides and in the geochemical cycling of iron, specifically the influence of…

Model oxide defects with vicinally stepped NiO(100) substrates

Lead Institution

University of Nebraska - Lincoln

Principal Investigator

Marjorie Langell

Project type

Large-Scale EMSL Research

We propose atomic force microscopy (AFM) studies of vicinally-stepped NiO(001) substrates designed to present periodic surface atomic edge sites and narrow terraces of constant atomic width. The…

MBE Growth and Properties of Model TiO2 Surfaces for Fundamental Studies of Heterogeneous Photocatalysis

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Large-Scale EMSL Research

The overall objective of this project is to provide the field of heterogeneous photocatalysis with unique insights into the molecular-level properties of photocatalytic transformations on TiO2…

MBE Growth and Properties of N-doped TiO2 for Enhanced Visible Light Absorption and Water Splitting

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Large-Scale EMSL Research

Development of new energy sources is a major need for the 21st century. Hydrogen has considerable potential as an alternative fuel. Fujishima and coworkers discovery in 1969 that water could be…

Epitaxial Growth and Properties of Magnetically Doped ZnO Prepared by Pulsed Laser Deposition of Nanoparticle Targets

Lead Institution

University of Washington

Principal Investigator

Daniel Gamelin

Project type

Large-Scale EMSL Research

Semiconductor spintronics has the potential to create entirely new paradigms for analog and digital electronics which may have a significant impact on energy consumption and efficiency. However, in…

Real-time FTIR measurements of Fe-oxide transformation in presence of dissimilatory Fe-reducing bacteria

Lead Institution

Montana State University

Principal Investigator

Gill Geesey

Project type

Large-Scale EMSL Research

The research will determine the nature, sequence and rates of formation of secondary Fe-oxides at a primary Fe-oxide surface colonized by dissimilatory Fe-reducing bacteria under a controlled…

Investigations into
Sulfur Poisoning Mechanisms in Solid-State Oxide Fuel Cells
Using Quantum-Chemical Computations

Lead Institution

Georgia Institute of Technology

Principal Investigator

Meilin Liu

Project type

Large-Scale EMSL Research

The objective of the proposed study is to gain a fundamental understanding of the sulfur poisoning processes in solid oxide fuel cells due to sulfur-containing impurities in the fuel. First, the…

Visualization of a Pd-Au{100} Catalyst: a Scanning Tunneling Microscopy Study

Lead Institution

Texas A&M University

Principal Investigator

Patrick Han

Project type

Large-Scale EMSL Research

Our objective is to use a UHV variable temperature STM to investigate a fabricated Pd-Au(100) surface alloy system. We plan to exploit both the microscopic and spectroscopic capabilities of an STM at…

Directed Self-Assembly of Metal Oxide Island Nanostructures

Lead Institution

University of Virginia

Principal Investigator

James Groves

Project type

Large-Scale EMSL Research

This Synthesis and Characterization of Novel Nanocrystalline Oxide Film Structures Proposal focuses on oxide Quantum Dots (QDs). Interface controlled, self-assembled oxide quantum dots (QDs) are…

Structure-Property Relationships in Thin Film Energy Conversion Materials and Coatings

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Dean Matson

Project type

Large-Scale EMSL Research

We propose to use of EMSL surface analysis, electron microscopy, laser spectroscopy and other analytical capabilities to characterize nanoscale organic and inorganic materials and hybrid thin film…

Nerve Agent Detection Using Enzyme-Coated Nanowires

Lead Institution

Pennsylvania State University

Principal Investigator

Seong Kim

Project type

Large-Scale EMSL Research

We propose a research program to prepare, characterize, and apply enzyme-coated nanowires to the detection of nerve agents. The substrate specificity of enzymatic reactions renders a great potential…

Soft-Landing of Complex Ions on Surfaces

Lead Institution

Purdue University

Principal Investigator

Robert Cooks

Project type

Large-Scale EMSL Research

Interaction of ions with surfaces is an area of active fundamental research in surface science relevant to a broad range of other scientific disciplines supported by the DOE Office of Science such as…

Molecular-level understanding of transport and optic properties of doped oxide nanoclusters

Lead Institution

University of Idaho

Principal Investigator

You Qiang

Project type

Large-Scale EMSL Research

In this proposal, a research plan to investigate ferromagnetic zinc oxide (ZnO) nanoclusters is outlined. ZnO is a widely studied material due to its wide-band gap energy of 3.3 eV at room…

Molecular Dynamics Study of an Actin Septamer: Testing the Holmes Model and the Hydrophobic Plug Loop Hypothesis

Lead Institution

Northwestern University

Principal Investigator

George Schatz

Project type

Large-Scale EMSL Research

This proposal is in response to the Science Theme Call. We are requesting standard access with non-proprietary status. Actin is a cellular protein which polymerizes into helical filaments. These…

Substrate-specific binding of Staphylococcus adhesins to solid surfaces

Lead Institution

The Ohio State University

Principal Investigator

Steven Lower

Project type

Large-Scale EMSL Research

A nearly universal trait of bacteria is their ability to attach to solid surfaces. Attached cells often form biofilms that are implicated in a significant amount of human infections and have been…

Design of micro-cantilever actuators for measuring surface tension of sub microliter volumes applied towards monitoring interfacial processes

Lead Institution

Utah State University

Principal Investigator

David Britt

Project type

Large-Scale EMSL Research

It is well known that ambient moisture results in a capillary effect between AFM probes and surfaces when scanning in air. This phenomenon has been largely overlooked with respect to cantilever…

Microfabrication of Electrospray Emitter Arrays for Improved Sensitivity in Electrospray Ionization-Mass Spectrometry

Lead Institution

Brigham Young University

Principal Investigator

Ryan Kelly

Project type

Large-Scale EMSL Research

Liquid chromatography (LC), combined with mass spectrometry (MS), is an extremely powerful platform for protein analysis, allowing complex mixtures first separated by LC to be further resolved and…

Surface and Interface Studies of Photochemically Initiated Immobilization

Lead Institution

Portland State University

Principal Investigator

Mingdi Yan

Project type

Large-Scale EMSL Research

The ability to precisely control surface and interface properties is of paramount importance in applications ranging from catalysis, adhesion, sensing, to nanoscale devices. Critical to these…

Refroming of Hydrocarbons on Solid Oxide Fuel Cell Anodes

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James Strohm

Project type

Large-Scale EMSL Research

The work to be performed is to characterize materials used during reforming of methane and other hydrocarbons. Nickel-based anodes (of powder and plate form) used in solid oxide fuel cells and/or…