CAREER: Pulsed electrically detected magnetic resonance - Advancing underrepresented groups in science through breakthroughs in materials spin spectroscopy

在这项由化学部门化学测量和成像项目资助的CAREER奖中，犹他大学的Boehme教授将系统地探索脉冲电检测磁共振（pEDMR）光谱的理论和实验基础。PEDMR的灵敏度比传统的磁共振光谱高许多个数量级，因此非常适合研究自旋在非常小和低维半导体样品和器件的微观电子过程中的作用。在过去的几十年里，磁共振波谱学对物理、化学和材料研究以及医学诊断产生了深远的影响。然而，与其他（如光学）光谱相比，传统的感应磁共振检测是不敏感的。这一限制阻碍了电子改进半导体材料的应用。这一限制将克服使用直接电检测方案通过电流。该项目的目的是允许观察微观过程，这些过程负责太阳能电池，发光二极管等设备的效率限制或可用于替代信息处理技术的过程。Boehme教授将通过高中生实习和本科生研究项目，将学生招聘工具的开发与他的研究结合起来，目标是增加少数民族对STEM学科的参与。

In this CAREER award, funded by the Chemical Measurement and Imaging program of the Chemistry Division, Professor Boehme of the University of Utah will systematically explore the theoretical and experimental foundations of pulsed electrically detected magnetic resonance (pEDMR) spectroscopy. PEDMR is many orders of magnitude more sensitive than traditional magnetic resonance spectroscopy and is thus well suited for the investigation of the role of spin in microscopic electronic processes in very small and low dimensional semiconductor samples and devices. Magnetic resonance spectroscopy has profoundly impacted physics, chemistry and materials research, as well as medical diagnostics during the past decades. Nevertheless, the traditional detection of magnetic resonance through induction is insensitive when compared to other (e.g. optical) spectroscopies ? a limitation that has impeded applications to electronically improved semiconductor materials. This limitation will be overcome using a direct electrical detection scheme via electric current. The aim of this project is to allow the observation of microscopic processes which are responsible for efficiency limitations in devices like solar cells, light emitting diodes or processes that could be utilized for alternative information processing technologies. Professor Boehme will integrate the development of student recruitment tools with his research through high school student internships and undergraduate research projects, with the goal of increasing minority participation in STEM disciplines.