Advanced Science and Technology for Semiconductor Materials and Devices

近年来，半导体微结构中的量子尺寸效应及其在新型电子和光电子器件中的应用得到了越来越多的研究。这一领域的发展在很大程度上依赖于先进科学技术的进步，因此需要国际研究合作。韩国是在该领域进行国际研究合作的最合适的伙伴国之一。因此，该项目的目的是在科学信息交流和相互合作的基础上，促进日本和韩国研究机构对半导体材料和器件的先进科学技术的研究。本项目的活动和成果如下：1)研究的材料包括SiGe， III-Vs （AlGaAs和GaInPAs）和II-VIs （ZnSe和CdSe）。利用分子束外延和金属有机气相外延，制备了由这些材料组成的超晶格、量子线和量子点等多种微观结构。还对这些材料和结构进行了针对其器件应用的表征。1993年9月在札幌举行了关于半导体材料和器件先进科学和材料的日韩研讨会，日本有17人参加，韩国有9人参加。讨论了本项目的合作研究成果。3) 1993年12月在韩国举行的会议上对该项目进行了总结，日本派出了4名成员。借此机会，讨论了日本和韩国未来进一步的研究合作。综上所述，该研究项目的目的已成功实施，取得了显著的成果，并有望进一步合作。

Recently, there has been an increasing research effort in the field of quantum size effects in semiconductor microstructures and their application for novel electronic and optoelectronic devices. The development of this field depends largely on progress in advanced science and technology, and thus needs international research cooperation. Korea is one of the most appropriate partner countries for the international research cooperation in this field.The purpose of this project is, therefore, to promote the researches on advanced science and technology for semiconductor materials and devices in Japanese and Korean research institutes, based on an exchange of scientific information and mutual collaborations.The activities and achievements of this project are as follows.1) The materials investigated include SiGe, III-Vs (AlGaAs and GaInPAs) and II-VIs (ZnSe and CdSe). A variety of micostructures such as superlattices, quantum wires and quantum dots consisted of these materials were fabricated by using molecular beam epitaxy and metalorganic vapor phase epitaxy. Characterization of these materials and structures directed toward their device applications was also performed.2) Japan-Korea Symposium on Advanced Science and Materials for Semiconductor Materials and Devices was held in September 1993, in Sapporo with participants of 17 from Japan and 9 from Korea. Discussion was made about the results of collaborative studies of this project.3) Summary of this project was made at a meeting held in December, 1993 in Korea, where 4 Japanese members were sent. By using the opportunity, further research cooperation between Japan and Korea in the future was discussed.In summary, the purpose of this research project was successfully carried out with remarkable achievements and promise for further collaborations.