Objectives
Microelectronic Materials and Processing
Our group's major thrust is relationships
among processing, properties and structure as well as the development of
new materials and processes. Objectives include novel substrate surface
cleaning techniques, kinetics and surface chemistry of reaction processes
on silicon substrate surfaces, controlled production of ultra-thin heterostructure
layers, and design of new material systems for
optical, electronic and nano-electro-mechanical systems. Specific systems
of interest include selective atomic layer deposition, ultra-thin high dielectric constant materials,
active multiferroic nanostructures, multiple metal oxide nanostructures,
atomic layer deposition, metal organic chemical vapor deposition,
and in situ probing
of surface chemical phenomena during the thin film growth of micro- and nano-electronic
materials.
Heterogeneous Catalysis and Surface Chemistry
Our group's thrust is the emergence
of a basic new understanding of several key catalytic processes on transition
metal and other surfaces at high gas pressures. Time-resolved in situ
surface-enhanced Raman spectra of adsorbed species on a subsecond/seconds
time scale coupled with in situ infrared spectra, reaction rate
measurements in transient experiments (with or without isotopes) and ex
situ spectroscopic information are used to obtain hitherto unavailable
information concerning the nature, role and kinetic significance of reaction
intermediates and adsorbed species in heterogeneous catalytic systems and solid oxide fuel cells at
high gas pressures.
Long-term inhibition of bacterial-associated infections in implant devices
Implant-associated infections are potentially serious
complications of medical device insertions. Many times, such infections are difficult to treat.
Implant-associated infections may arise in the weeks following surgery due to contamination.
At later times, infections can arise from hematogenous sources. In joint replacements,
treatment entails aggressive systemic and local antibiotic treatment, debridement, and
many times implant removal and reimplantation. Despite aggressive antibiotic treatments,
eradication of established implant-associated infections is often unsuccessful. In
collaboration with orthopedic surgeons, our research and implementation of implant surfaces
modified with antibiotics would have a knowledge-driven impact in surgical implants and in
particular for implants used by orthopedic surgeons.
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News
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Nasim defends her Master's Project-November 22nd, '11. |
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Runshen receives travel and registration fee awards for the ALD Applications Symposium in the ECS meeting in Boston
- October 3rd '11 |
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