Chemically Homogeneous Complex Oxide Thin Films via Improved Substrate Metallization
Abstract not provided.
Publications
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Jump to search filtersOxide Nanocomposites for Tailored Dielectric Response
Abstract not provided.
Minimizing voltage tuning for enhanced high field capacitance
Abstract not provided.
Role of interfaces and defects on the thermal properties of complex oxide thin films
Abstract not provided.
Influence of anisotropy on thermal boundary conductance at solid interfaces
Physical Review B - Condensed Matter and Materials Physics
We investigate the role of anisotropy on interfacial transport across solid interfaces by measuring the thermal boundary conductance from 100 to 500 K across Al/Si and Al/sapphire interfaces with different substrate orientations. The measured thermal boundary conductances show a dependency on substrate crystallographic orientation in the sapphire samples (trigonal conventional cell) but not in the silicon samples (diamond cubic conventional cell). The change in interface conductance in the sapphire samples is ascribed to anisotropy in the Brillouin zone along the principal directions defining the conventional cell. This leads to resultant phonon velocities in the direction of thermal transport that vary nearly 40% based on crystallographic direction. © 2011 American Physical Society.
Chemical Phase and Interface Effects in Solution-Based Fabrication of Continuous and Nanopatterned Thin Film Ferroelectrics
Abstract not provided.
Enabling Self-Powered Ferroelectric Nanosensors: Fundamental Science of Interfacial Effects in Extreme Environments
Abstract not provided.
Reduction in thermal boundary conductance due to proton implantation in silicon and sapphire
Applied Physics Letters
We measure the thermal boundary conductance across Al/Si and Al/ Al 2 O3 interfaces that are subjected to varying doses of proton ion implantation with time domain thermoreflectance. The proton irradiation creates a major reduction in the thermal boundary conductance that is much greater than the corresponding decrease in the thermal conductivities of both the Si and Al2 O3 substrates into which the ions were implanted. Specifically, the thermal boundary conductances decrease by over an order of magnitude, indicating that proton irradiation presents a unique method to systematically decrease the thermal boundary conductance at solid interfaces. © 2011 American Institute of Physics.
Phase and texture evolution in solution deposited PZT thin films during slow and fast heating rates
Abstract not provided.
Low-Loss Infrared Metamaterials: New Architectures and Unconventional Materials
Abstract not provided.
Neutron Flux Characterization Techniques for Radiation Effects Studies
Abstract not provided.
Directed Patterning and Fabrication of Functional Nanoscale Electronic Oxides
Abstract not provided.
Crystal coherence length effects on the infrared optical response of MgO thin films
Abstract not provided.
Phase and texture evolution in solution deposited PZT thin films
Abstract not provided.
Hysteretic Behavior in Irradiated Ferroelectric Ceramics
Abstract not provided.
Infrared Dielectric Resonator Metamaterial
Abstract not provided.
Experimental Demonstration of an Infrared Cubic Dielectric Resonator Metamaterial
Science
Abstract not provided.
Solution deposition planarization of long-length flexible substrates
Applied Physics Letters
Abstract not provided.
Alternative electrodes for improved electroceramic thin films
Abstract not provided.
ZnO buffered platinized silicon substrates for high temperature oxide thin film synthesis
Abstract not provided.
Effect of domain structure on the dielectric nonlinearity in epitaxial BiFeO3 films
Applied Physics Letters
Abstract not provided.
Structure-property relations in negative permittivity reststrahlen materials for IR metamaterial applications
We will present a study of the structure-property relations in Reststrahlen materials that possess a band of negative permittivities in the infrared. It will be shown that sub-micron defects strongly affect the optical response, resulting in significantly diminished permittivities. This work has implications on the use of ionic materials in IR-metamaterials.
Inorganic thin film synthesis for electrical, optic, and electronic applications
Abstract not provided.
Processing Technologies for High Permittivity Thin Films in Capacitor Applications
Journal of the American Ceramic Society
Abstract not provided.
Enabling self-powered ferroelectric nanosensors : neutron radiation damage in PZT thin films
Abstract not provided.
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