Preview: 1996 MRS Spring Meeting

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Preview: 1996 MRS Spring Meeting San Francisco, California • April 8-12,1996 MEETING CHAIRS: Thomas F. Kuech

Clifford L. Renschler

Chuang Chuang Tsai

University of Wisconsin-Madison

Sandia National Laboratories

Xerox Palto Alto Research Center

While device technologists carve bulk materials to make smaller and smaller devices, chemists build materials molecule by molecule, like molecular tinker toys. The 1996 MRS Spring Meeting, located at the San Francisco Marriott April 8-12, will show the merging of these and other diverse approaches to manipulating and understanding the materials that mold our lives. This meeting's 2,500 oral and poster presentations in 30 symposia represent innovative technological developments that promote the interdisciplinary nature of materials science. Topics featured include electronic materials such as rareearth doped and wide bandgap semiconductors, displays and photovoltaics, porous materials, high-temperature superconductors, materials for optoelectronics and sensors, ceramics, computation, polymers and macromolecules, mechanical and structural materials, rapid thermal and microwave processing, instrumentation, characterization, and the materials science of musical instruments. We are in the midst of an explosion in new technologies for microscopy, spectroscopy, data analysis, and sample manipulation. Symposium AA, Innovations in Instrumentation for Materials Research, will concentrate on analytical characterization of materials, including imaging, elemental composition, chemical properties, and mechanical testing on a microscopic scale. Instrumentation turns to "string theory" in Symposium BB, Materials in Musical Instruments II. This symposium will foster interaction among materials and acoustics researchers, instrument makers, manufacturers, and performers. Jointly sponsored by the Acoustical Society of America, this symposium will sound off about the materials of stringed and percussion instruments. An entertaining evening of musical demonstrations is scheduled for Thursday. 50

Computational Materials Science, Symposium W, represents a continuing growth area, with coverage of electronic structure and energy methods, atomistic modeling, mesoscopic systems, continuum methods, and industrial applications. Researchers will present modeling approaches for a broad scope of materials, length scales, and time intervals. While computers can lead to a better understanding of materials behavior, research on materials contributes to nextgeneration computers through the development of reliable integrated circuits, information storage, and displays. Woven into a cluster of symposia on electronic and photonic materials are issues related to epitaxy, strain, and defects encountered in compound semiconductors, heterostructures, and semiconductor-on-insulator (SOI) structures. Control of growth, processing, and surface condition are important for device design. For instance, SOI-based compliant substrates for heteroepitaxy allow independent control of the strain state with very low threadin