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Nanowire electronic and optoelectronic devices http://www.divshare.com/download/2052625-dd4 ¹þ·ð Å£ÈË LieberдµÄ¹ØÓÚÄÉÃ×Ïßµç×ÓÆ÷¼þºÍ¹âµç×ÓÆ÷¼þµÄһƪ×ÛÊöÎÄÕ£¬ËùÓвο¼ÎÄÏ×¾ùΪScience, Nature µÈ¸ßˮƽÔÓÖ¾ÎÄÕ¡£ ÕªÒª Electronic and optoelectronic devices impact many areas of society, from simple household appliances and multimedia systems to communications, computing, and medical instruments. Given the demand for ever more compact and powerful systems, there is growing interest in the development of nanoscale devices that could enable new functions and/or greatly enhanced performance. Semiconductor nanowires are emerging as a powerful class of materials that, through controlled growth and organization, are opening up substantial opportunities for novel nanoscale photonic and electronic devices. We review the broad array of nanowire building blocks available to researchers and discuss a range of electronic and optoelectronic nanodevices, as well as integrated device arrays, that could enable diverse and exciting applications in the future. Nanowire photonics http://www.divshare.com/download/2052672-fe8 ÑîÅà¶«µÄһƪ¹ØÓÚÄÉÃ×Ïß¹â×ÓѧµÄһƪ×ÛÊö ÕªÒª £º The development of integrated electronic circuitry ranks among the most disruptive and transformative technologies of the 20th century. Even though integrated circuits are ubiquitous in modern life, both fundamental and technical constraints will eventually test the limits of Moore¡¯s law. Nanowire photonic circuitry constructed from myriad onedimensional building blocks offers numerous opportunities for the development of next-generation optical information processors and spectroscopy. However, several challenges remain before the potential of nanowire building blocks is fully realized. We cover recent advances in nanowire synthesis, characterization, lasing, integration, and the eventual application to relevant technical and scientific questions. [search]ÄÉÃ×Ïß[/search] Nanowire-based onedimensional electronics http://www.divshare.com/download/2052651-870 ´Ô¶àÈ˺ÏдµÄһƪ¹ØÓÚÄÉÃ×Ïßµç×ÓѧµÄ×ÛÊö ÕªÒª£º During the last half century, a dramatic downscaling of electronics has taken place, a miniaturization that the industry expects to continue for at least a decade. We present efforts to use the self-assembly of onedimensional semiconductor nanowires1 in order to bring new, highperformance nanowire devices as an add-on to mainstream Si technology. The nanowire approach offers a coaxial gate-dielectricchannel geometry that is ideal for further downscaling and electrostatic control, as well as heterostructure-based devices on Si wafers. Nanowire nanosensors http://www.divshare.com/download/2052684-6bb LieberµÄÁíһƪ¹ØÓÚÄÉÃ×Ïß´«¸ÐÆ÷µÄÎÄÕ ժҪ£º The detection of biological and chemical species is central to many areas of healthcare and the life sciences, ranging from uncovering and diagnosing disease to the discovery and screening of new drug molecules. Hence, the development of new devices that enable direct, sensitive, and rapid analysis of these species could impact humankind in significant ways. Devices based on nanowires are emerging as a powerful and general class of ultrasensitive, electrical sensors for the direct detection of biological and chemical species. [ Last edited by jackchen145 on 2007-9-21 at 17:54 ] |
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