Vaithiyalingam Shutthanandan | Environmental Molecular Sciences Laboratory

Material Interface Optimization in ETA-Photovoltaics

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Droubay

Project type

Exploratory Research

This project aims to provide a fundamental scientific foundation to understand the charge transport in novel oxide-based solar cells, and to tailor the transport by doping and/or interface…

Developing Three-dimensional characterization methods for energy and environmental materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Arun Devaraj

Three dimensional high resolution nanoscale characterization is pivotal in understanding materials relevant to energy and environmental applications. As a part of this proposal and an LDRD funded by…

ETA-Photovoltaics materials Interface optimization

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Timothy Droubay

Project type

Large-Scale EMSL Research

We will provide a fundamental scientific foundation to understand the charge transport in novel oxide-based solar cells, and to tailor the transport by doping and/or interface modification of the…

Carbon Nanotube-Polymer composites

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Vaithiyalingam Shutthanandan

Carbon nanotubes (CNTs) were discovered in 1991 by S. Iijima, and since that time CNT related materials became the focus of research activity in both academia and the industry due to its exceptional…

Complex Oxide Heteroepitaxial Growth of Novel Electronic and Magnetic Heterostructures

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Large-Scale EMSL Research

Complex oxide heteroepitaxial growth of pure and magnetically doped perovskite films will be studied with the dual goals of: (i) enhancing understanding of the details of the growth process, and, (ii…

Developing Three-dimensional characterization methods for energy and environmental materials

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Arun Devaraj

Three dimensional high resolution nanoscale characterization is pivotal in understanding materials relevant to energy and environmental applications. As a part of this proposal and an LDRD funded by…

Exploring the Radiation Damage Resistance of Nanoscale Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Richard Kurtz

Project type

Exploratory Research

The objective of this research is to rigorously test the hypothesis that internal interfaces can be manipulated at the nanoscale to enhance recombination of radiation-produced defects to dramatically…

Multimodal chemical imaging of energy, environmental, and biological materials.

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Arun Devaraj

As a part of this proposal and an LDRD funded by Chemical Imaging Initiative for AMBER Beamline development at LBNL, we aim to develop a combined STXM/XPS-TEM-APT multimodal chemical imaging…

Hydrogen Materials Compatibility Studies

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kyle Alvine

Project type

Exploratory Research

We propose to use the world-class ion scattering facilities at EMSL to advance the understanding of the effects of high-pressure hydrogen on nanolaminate low friction coatings and piezoelectric…

Stabilization of organic carbon by complexation with iron colloids formed during biogeochemical weathering of basalt

Lead Institution

University of Arizona

Principal Investigator

Jon Chorover

Project type

Large-Scale EMSL Research

This project is part of a larger, multi-year effort to evaluate the development of spatial and temporal heterogeneity as a result of microbial colonization and biogeochemical weathering of granular…

Exploring the Radiation Damage Resistance of Nanoscale Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Richard Kurtz

Project type

Exploratory Research

The objective of this research is to rigorously test the hypothesis that internal interfaces can be manipulated at the nanoscale to enhance recombination of radiation-produced defects to dramatically…

Developing a predictive understanding of thermodynamics and kinetics of phase transformation and defect evolution during concurrent ion irradiation and transient heating

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Arun Devaraj

As a part of PNNL Physical and computational sciences directorate seed LDRD project, we aim to develop a predictive understanding of the phase transformation pathway and defect evolution mechanisms…

Characterization of inorganic thin films on polymer substrate

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Theva Thevuthasan

We have received some oxide thin films that were grown on polymer substrate for characterization as a part of TAP program. The PIs are interested in elemental qunatifications in these films.

Performance Prediction and Process Attribution for Additive Manufacturing

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Christopher Barrett

The proposed work seeks to develop a modeling-prescribed measurement strategy to generate the data necessary to build a finite element model from which an additively manufactured objects’ performance…

Development of Ion-Bombardment Surface Treatments for Suppression of Secondary Electron Emission in Accelerator Vacuum Chambers and Other Structures

Lead Institution

Cornell University

Principal Investigator

Mark Palmer

Project type

Large-Scale EMSL Research

Particle accelerators have become an increasingly essential tool for basic and applied research. Charged particle beams in accelerators can be adversely affected by the build-up of clouds of…

Elucidating synergistic plant-bacteria metabolic pathways for alleviating iron deficiency

Lead Institution

Oregon State University

Principal Investigator

Rene Boiteau

Nutrient mobilization from soil minerals is critical for plant growth, particularly in marginal lands with high pH soils or low phosphate availability. One way that rhizospheric bacteria enhance…

Compositionally graded Co and Cr doped TiO2 rutile for Optimum Thermoelectric Power

Lead Institution

University of Washington

Principal Investigator

Fumio Ohuchi

Project type

Exploratory Research

Conversion of waste heat into useful energy in many applications including automobile exhausts has received considerable attention, recently. As such, there is a growing interest in synthesizing…

Nanolayered, Self-healing Radiation Shielding Foils

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Theva Thevuthasan

Recent discovery and research indicate that materials can be hardened against radiation damage by building nanolayered structures with an optimized layer thickness to increase point defect…

Extracellular Research Thrust for EMSL SSA

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Kirsten Hofmockel

This project will develop a conceptual framework that defines the biotic and abiotic mechanisms regulating the persistence of mineral associated organic matter (OM). The specific goals are to…

Aerosol and Organic Precursor Measurements at Ground-Based Sites during the Megacity Aerosol Experiment in Mexico City 2006 (MAX-Mex 2006)

Lead Institution

University of Arkansas, Little Rock

Principal Investigator

Jeffrey Gaffney

Project type

Exploratory Research

The Megacity Aerosol Experiment - Mexico City 2006 will be a collaborative effort with the DOE Atmospheric Science Program, the NSF MIRAGE-Mex field study, and the Mexico City Metropolitan Area (MCMA…

Exploring the Radiation Damage Resistance of Nanoscale Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Richard Kurtz

Project type

Exploratory Research

The objective of this research is to rigorously test the hypothesis that internal interfaces can be manipulated at the nanoscale to enhance recombination of radiation-produced defects to dramatically…

Harnessing Biomineralization Potential of Metal-Oxidizing Bacteria for REE Synthesis

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Alex Beliaev

Although redox reactions and enzymes participating in the extracellular oxidation of Fe and Mn are identified, little is known about the biomineralization mechanisms that facilitate formation…

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…

Electronic and Optical Properties of Doped Complex Oxide Epitaxial Films and Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Large-Scale EMSL Research

The effect of A-cation site and anion-site doping, as well as heteroepitaxial interface formation, on the electronic and optical properties of La-based perovskites will be investigated. Specimens…

Deposition of Metal-Doped Oxides for Spintronic Applications

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Tiffany Kaspar

Project type

Exploratory Research

For spintronic devices such as spin-FETs, efficient injection of spin-polarized electrons into a semiconductor material is necessary. For devices compatible with current semiconductor technology,…

Chemistry of Aerosols in Mexico City: MILAGRO 2006 study.

Lead Institution

Lawrence Berkeley National Laboratory

Principal Investigator

Mary Gilles

Project type

Large-Scale EMSL Research

The MILAGRO (Megacity Initiative: Local and Global Research Observations) Campaign in Mexico City 2006 was a collaborative effort with the DOE Atmospheric Science Program, the NSF MIRAGE-Mex field…

Characterization of Ore Components

Lead Institution

Environmental Molecular Sciences Laboratory

Principal Investigator

Theva Thevuthasan

Rocks pieces, ground rocks and moss with sand need to be assayed using particle induced x-ray emission, x-ray photoelectron spectroscopy and scanning electron microscopy. The elements in these…

Influence of Gd and Sm Doping on Atomic and Ionic Transport Properties of Novel Nanostructured Ceria-Zirconia Multilayers

Lead Institution

Battelle India

Principal Investigator

Satyanarayana Kuchibhatla

Project type

Exploratory Research

This project aims to develop the understanding of ionic transport processes in nanostructured materials that may enable the design of new types of electrolyte materials for electrochemical device…

Open Ocean Ship-Board Study of Atmospheric Aerosols at the Equatorial Pacific: Characterizing Iron in Marine Aerosol

Lead Institution

Central Washington University

Principal Investigator

Anne Johansen

Project type

Large-Scale EMSL Research

Iron is a growth-limiting nutrient to phytoplankton in the open ocean, but its sources, chemistry and physical forms are largely unknown. Since phytoplankton control global climate by producing ~50%…

Directed Mesoscale Synthesis of Tunnel Structured Materials for Energy Applications

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Eugene Ilton

Many materials for energy applications function by reversibly absorbing and releasing charge carriers. Conventional synthesis of these materials typically results in complex aggregates of nano-scale…

Structure and property tailoring of metal nanoparticles dispersed in dielectrics by high energy ion implantation

Lead Institution

University of Tennessee

Principal Investigator

Gerd Duscher

Project type

Exploratory Research

High energy ion beam will be used to tailor structure of metal nanoparticles dispersed in dielectric medium. The typical examples are Au, Fe, Co, and Cr implanted into SrTiO3, MgO, TiO2. The…

Spin Electronic Phenomena in Magnetically Doped Perovskites and Complex Oxide Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

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,…

Developing next generation multimodal chemical imaging capability by combining STEM/APT/STXM/HIM

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Arun Devaraj

Understanding complex energy conversion and storage systems hinges upon developing a fully three-dimensional analysis of the structure and chemistry with sub-nanometer spatial and chemical resolution…

The Role of Ice and Aerosol Surfaces in Halogen Activation in the Arctic Springtime Boundary Layer

Lead Institution

University of Alaska Fairbanks

Principal Investigator

William Simpson

Project type

Large-Scale EMSL Research

The UAF research group of Prof. Simpson is performing an intensive field campaign in Barrow, Alaska during March 2007. The goal of this field campaign is to quantify the amounts of reactive bromine …

The Effects of Radiation Damage on Heteroepitaxial Interfaces

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Richard Kurtz

The interaction of radiation with materials controls the performance, reliability, and safety of conventional and advanced nuclear power systems. Energetic particles produced by nuclear reactions…

Determining Mechanisms of Nonlinear Photo Response and Transport Properties in Scintillating Materials

Lead Institution

Oak Ridge National Laboratory

Principal Investigator

Yanwen Zhang

The objective of this proposed work is to develop fundamental understanding on photo response and charge carrier transport properties in advanced scintillating materials: (1) light output as a…

Directed Mesoscale Synthesis of Tunnel Structured Materials for Energy Applications

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Eugene Ilton

Many materials for energy applications function by reversibly absorbing and releasing charge carriers. Conventional synthesis of these materials typically results in complex aggregates of nano-scale…

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