Novel graphene-based electronic devices integratible with silicon: synergistic research across materials, concepts, and implementation

该项目的目标是展示基于新型硅集成石墨烯的器件，包括实现零带隙漏电流饱和的金属-氧化物-石墨烯-硅场效应晶体管，以及实现共振隧道的石墨烯-绝缘体-石墨烯结。这些设备有望利用硅制造背后的巨大势头，利用石墨烯的独特优势，同时绕过严重的挑战，从而找到适合技术进入的利基应用，并最终进入未来进步带来的全面潜力的主流数字领域。智力优势：该项目代表了跨越材料、概念和实施的连贯研究努力。材料生长研究将寻求关于二维层异质外延的基本问题的答案。新颖的器件概念，具有深厚的根源和未经证实的想法(调制掺杂和共振隧道效应)，独特地利用了材料的特性。这些概念的实施包含了从材料和加工到结构和建模的现实工程考虑，并代表了音响工程实践。广泛的影响：将向本科生和研究生介绍新发现，不仅是为了传授知识，也是为了激发好奇心和热情。国际学生联合会与当地一所高中的合作伙伴关系等外展活动将对K-12科学和数学教育产生影响。建议研究的性质为研究生提供了一个很好的多学科研究平台。该项目将通过吸引和培训女研究生以及从代表性不足的群体中招募年轻人才来加强多样性。这项研究的成功可能会通过以石墨烯为基础的利基技术来补充占主导地位的海外硅基制造，从而潜在地为美国创造就业机会。

The objective of this program is to demonstrate novel silicon-integratible graphene-baseddevices, including the metal-oxide-graphene-silicon field-effect transistor to achieve draincurrent saturation with a zero bandgap, and the graphene-insulator-graphene junction to achieveresonance tunneling. These devices are expected to harness the enormous momentum behindsilicon manufacturing, exploit the unique advantages graphene while circumventing seriouschallenges, thus find niche applications for technology entry, and eventually enter themainstream digital arena with full potential enabled by future progress.Intellectual merit: This project represents coherent research efforts spanning materials, concepts,and implementation. The materials growth research will seek answers to fundamental questionsabout heteroepitaxy of two-dimensional layers. Novel device concepts, with deep roots inproven ideas (modulation doping and resonant tunneling), uniquely take advantage of thematerial properties. Implementation of the concepts incorporates realistic engineeringconsiderations from materials and processing to structures and modeling, and represents soundengineering practice.Broader impact: New discoveries will be introduced to undergraduate and graduate students, notonly to convey knowledge, but also to stimulate curiosity and enthusiasm. Outreach activitiessuch as the PI's partnership with a local high school will impact K-12 science and matheducation. The nature of the proposed research provides an excellent multidisciplinary researchplatform for graduate students. This project will enhance diversity by involving and trainingfemale graduate students and by recruiting young minds from underrepresented groups. Thesuccess of this research will potentially create US jobs by complementing the dominant, largelyoverseas silicon-based fabrication with graphene-based niche technologies.