Steve Heald

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…

Growth of Single Crystal La2CuO(4+delta) films

Lead Institution

Argonne National Laboratory

Principal Investigator

Steve Heald

Project type

Exploratory Research

Recently La2CuO(4+delta) was found to undergo an interesting light-induced transient phase transition. We propose to use XAFS to look at the local structural changes occurring about the Cu and La…

Epitaxial and Nanoscale Fe-doped TiO2 and Ti-doped alpha-Fe2O3 - Magnetic, Electronic and Photochemical Properties Modification via Selective Doping

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Large-Scale EMSL Research

The wide-ranging properties of transition metal oxides can in principle be expanded even further through selective doping. We propose to investigate the effect of doping TiO2 and alpha-Fe2O3 with…

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…

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…

Electronic and optical properties modification of complex oxide epitaxial films and superlattices for efficient light harvesting

Lead Institution

Drexel University

Principal Investigator

Steven May

Project type

Large-Scale EMSL Research

We propose an aggressive program of epitaxial film synthesis, detailed and definitive materials characterization, optical and electronic properties measurements and ab initio simulations with the…

Spatial and temporal Study of assembly of organic matrix and their roles in mineral nucleation

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

James De Yoreo

Self-assembled protein architectures exhibit diverse structural motifs including particles, fibers, ribbons and sheets. Their functions include selective transport, structural scaffolding, templated…

Epitaxial Growth and Properties of Candidate Diluted Magnetic Oxide Semiconductors - Chemistry and Physics of Ceramic Surfaces (Scott Chambers' BES Project - 10122)

Lead Institution

Pacific Northwest National Laboratory

Principal Investigator

Scott Chambers

Project type

Exploratory Research

We propose to grow and characterize by MBE, MOCVD, and PLD doped transition metal oxide epitaxial films to assess suitability for potential use in spin electronics. We will use RHEED and XPS (in…

EMSL Science Overview

Steve Heald

Projects

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

Growth of Single Crystal La2CuO(4+delta) films

Epitaxial and Nanoscale Fe-doped TiO2 and Ti-doped alpha-Fe2O3 - Magnetic, Electronic and Photochemical Properties Modification via Selective Doping

Complex Oxide Heteroepitaxial Growth of Novel Electronic and Magnetic Heterostructures

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

Electronic and optical properties modification of complex oxide epitaxial films and superlattices for efficient light harvesting

Spatial and temporal Study of assembly of organic matrix and their roles in mineral nucleation

Epitaxial Growth and Properties of Candidate Diluted Magnetic Oxide Semiconductors - Chemistry and Physics of Ceramic Surfaces (Scott Chambers' BES Project - 10122)