Materials World Network: Hydrogen Transport and Trapping in Ion-Cut Phenomena

亚利桑那州立大学的材料世界网络奖是为了表彰亚利桑那州立大学和南非西开普省大学的研究人员之间的合作项目，西开普省是一所历史上处于不利地位的大学。该奖项由材料研究部的电子材料项目和国际科学与工程办公室的非洲、近东和南亚项目共同资助，旨在研究离子诱导硅和其他半导体表面薄层剥离中氢的传输和捕获的基本方面。离子切割过程使用氢原子来促进薄表面层的分裂和转移到不同的衬底上。虽然离子切割现象得到了广泛的应用，但人们对这一过程中氢的输运和捕获的基本原理知之甚少。该程序特别研究了氢含量、传输和位置如何随剂量、注入温度、注入深度、化学共注入、感应应力和离子注入或等离子体氢化材料的退火机制而变化。这项调查将在亚利桑那州立大学和南非西开普省大学进行，学生和科研人员将进行国际交流。这一计划的一个独特之处在于，学生交换的时间将是错开的，这样合作的研究生将优化在同一实验室共同工作的时间。在洛斯阿拉莫斯国家实验室的积极参与下，一个文化多元化的团队将开展这一合作研究计划。所有学生都将有机会与洛斯阿拉莫斯国家实验室离子-固体相互作用和界面工程小组的组长M.Nastasi密切合作。此外，亚利桑那州立大学的教育、商业和文科学生将受益于通过南非西开普省大学开发的感知世界课程接触材料科学和工程。

This Materials World Network award to Arizona State University is for a collaborative program between researchers from Arizona State University and University of the Western Cape South Africa, which is a historically disadvantaged university. This award, co-funded by the Electronic Materials program in the Division of Materials Research and the Africa, Near East and South Asia program in the Office of International Science and Engineering, is to investigate the fundamental aspects of hydrogen transport and trapping in ion-induced delamination of thin surface layers from silicon and other semiconductors. The ion-cut process uses hydrogen atoms to promote splitting and transfer of a thin surface layer onto a different substrate. Although the ion-cut phenomenon is widely applied, little is known about the fundamentals of hydrogen transport and trapping in this process. This program addresses in particular how hydrogen content, transport, and position change as a function of the dose, implant temperature, implant depth, chemical co implants, induced stresses, and anneal mechanisms in ion implanted or plasma hydrogenated materials. The investigation will be done at both Arizona State University and University of the Western Cape South Africa with an international exchange of students and scientific staff. A unique aspect of this program is that the student-exchange periods will be staggered, such that the collaborating graduate students will optimize the time spent working together in the same laboratory. A culturally diversified team with active involvement of Los Alamos National Laboratory will conduct this collaborative research program. All students will have an additional opportunity to collaborate closely with M. Nastasi, team leader of the ion-solid interactions and interface engineering group at the Los Alamos National Laboratory. In addition, students at Arizona State University in education, business, and liberal arts will benefit from exposure to materials science and engineering through the course Sensing the World, a course developed by University of the Western Cape in South Africa.