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Statement of Disbursements of the House
Covers receipts and expenditures of appropriations and other funds.
Materials and Devices for Silicon-Based Optoelectronics: Volume 486
Presents 57 contributions from the fall 1997 symposium. Some of the most important conclusions to emerge from the papers are: Si-based visible and infrared light provide competing and complementary methods to overcome poor performance of Si as a light emitter; the silicon-on- insulator Si/SiO2/Si systems are ideal for highly confined waveguides and microphotonics components and for the fabrication of quantum wells and resonant tunneling structures; efficient integrated modulators and optically pumped amplifiers hold promise for Si-compatible optoelectronics; SiGe quantum wells, Ge films on buffered Si, and SnGe-alloys-upon-Si could be used for efficient near infrared light detection, once dark current problems are solved; and finally, new monolithic approaches to the engineering of the optical approaches of Si are allowing new applications and market space for low-cost Si-compatible integrated optoelectronics and microphotonics. Annotation copyrighted by Book News, Inc., Portland, OR
New Developments in Porous Silicon: Relation with Other Nanostructured Porous Materials
The symposium entitled "New Developments in Porous Silicon. Relation with Other Nanostructured Porous Materials" took place in Strasbourg on 4-7 June 1996 hosted by the EMRS Society. Its objectives were to assess the recent developments in porous silicon research and make the 'porous Si community' more aware of related porous materials. The 71 papers contained in these proceedings account for about 80% of the work presented at the meeting and cover nine different topic areas. Chapter 1 focuses on some recent advances in porous Si fabrication and a new formation mechanism involving specific point defects, extensions to the basic anodization process for preparing macropore arrays, multilayers ...
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British Delft at Williamsburg
British Delft at Williamsburg catalogs the collection of more than seven hundred museum-quality examples acquired by the Colonial Williamsburg Foundation during the past sixty years, in many instances relating them to several hundred of the thousands of archaeological fragments excavated in Virginia's colonial capital and on nearby sites. Presenting the objects in categories according to their use, John C. Austin discusses the period utilization of the various forms, identifying them, when possible, with the names of the objects commonly employed at that time. He also compares and contrasts the pieces with other examples in public and private collections in America and England.
