"High-performance dielectric thin films for science and technology"Dr. Bruce Van Dover , Agere Systems , Murray Hill NJ [Host: Joseph Poon]
ABSTRACT:
Ultrahigh-density dynamic random acess memory, hyperscaled field-effect
transistors, and field-effect-induced superconductivity at 117 K in
fullerenes are examples where high-performance thin film dielectrics
play a pivotal role in science and technology. In the past, only a
small set of materials (SiO2, Al2O3, (Ba,Sr)TiO3, etc.) have been
considered for these structures. We have assessed a wide range of
dielectric systems using a high-throughput, composition-spread
approach. This has lead to the discovery and development of dielectrics
with extremely high performance, as well as the identification of
unexpected physics by careful investigation of systematic trends.
I will discuss the scientific and technological issues, our approach to
discovery, and the interesting materials and materials physics we have
uncovered.
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Colloquium Friday, March 22, 2002 4:00 PM Physics Building, Room 204 Note special time. Note special room. |
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