Projects

Biocompatible, Engineered Surfaces of Mixed Chemistry

Lead Institution

University of Utah

Principal Investigator

Vladimir Hlady

Project type

Large-Scale EMSL Research

High resolution in situ spatial imaging is critical to visualizing how molecules adsorb and arrange themselves on surfaces. In order to image proteins or organic molecules on surfaces, scanning probe…

Development of an integrated atomic force / fluorescence microscope at EMSL

Lead Institution

The Ohio State University

Principal Investigator

Brian Lower

Project type

Large-Scale EMSL Research

We propose to develop a new spectroscopic/microscopic capability at EMSL that combines atomic force microscopy (AFM) with fluorescence microscopy allowing for simultaneous force and fluorescence…

Specificity of Shewanella oneidensis outer membrane cytochromes
OmcA and OmcB towards iron- and manganese-oxide surfaces

Lead Institution

The Ohio State University

Principal Investigator

Brian Lower

Project type

Large-Scale EMSL Research

Metal-reducing bacteria have a unique ability to reduce solid-phase iron- and manganese- oxides in anaerobic environments. Unlike oxygen, Fe and Mn oxides, in a solid form, cannot diffuse across the…

The Formation and Structure of Tropical Organic/Water Aerosols

Lead Institution

University of Colorado at Boulder

Principal Investigator

Gayfree Ellison

Project type

Large-Scale EMSL Research

Atmospheric aerosols are widely recognized as key elements in many environmental issues ranging from global climate change and visibility to adverse effects on peoples health. Aerosols affect climate…

The role of U(V) during heterogeneous reduction of aqueous U(VI) to U(IV).

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Eugene Ilton

Project type

Large-Scale EMSL Research

This proposal is being submitted in response to the Science theme call: Biogeochemistry and Subsurface Science, understanding the chemistry of radionuclides in the subsurface. It directly relates to…

Design Criteria for Organic Charge Transporting Materials through Computational Modeling

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Linda Sapochak

Project type

Large-Scale EMSL Research

ABSTRACT We propose to use EMSL computational facilities for developing predictive models which will guide the design of new organic charge transporting materials for thin film energy conversion…

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…