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Tiffany Kaspar

Institution
Pacific Northwest National Laboratory

Projects

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…

Model epitaxial heterostructures for water electrolysis

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Scott Chambers
This proposal focuses on the design, fabrication and evaluation of structurally and compositionally well-defined complex oxide heterostructures that can facilitate the harvesting of visible sunlight,…

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…

Microstructural Evolution under Shear Deformation

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Arun Devaraj
Solid phase processing (SPP) of alloys using shear-deformation results in nanoscale metastable phases and enhanced mechanical properties. High-speed mass and energy transfer during such process makes…

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…

Unraveling Oxygen Reduction Reaction at Solid Oxide Fuel Cell Cathodes

Lead Institution
Boston University
Principal Investigator
Srikanth Gopalan
Project type
Exploratory Research
We seek to uncover the role of the structure and chemistry of the surfaces of solid oxide fuel cell cathodes in the oxygen reduction reaction. In particular we seek to understand the relationship of…

Deposition of Cobalt-doped Oxides for Spintronic Applications

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Tiffany Kaspar
Project type
Capability Research
The mechanism of magnetism in novel oxide-based dilute ferromagnetic semiconductors is not understood. Knowing the nature and relative position of the magnetic species in the material can help…

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…

Non-destructive Evaluation of LiAlO2 Pore Structure and Microstructure

Lead Institution
Pacific Northwest National Laboratory
Principal Investigator
Tiffany Kaspar
Tritium (3H) is a strategically important isotope of hydrogen. In the U.S. Tritium Sustainment Program (operated by DOE National Nuclear Security Administration (NNSA)), tritium is generated through…

Site Specific Valence Above and Below the Verwey Transition in Magnetite

Lead Institution
Argonne National Laboratory
Principal Investigator
Julie Cross
Project type
Exploratory Research
ABSTRACT: The Verwey transition has historically been described as an electron-ordering transition in a mixed-valent system that results in ordering of the formal valence states in the low…

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,…

Molecular Beam Epitaxy Growth of Barium Strotium Titanate

Lead Institution
Idaho National Laboratory
Principal Investigator
James (Bill) Rogers
Project type
Exploratory Research
Use molecular beam epitaxy for the deposition of barium strontium titanate thin films. Deposition on Pt substrates will allow formation of capacitor structures for measurement of electrical…

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…

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…