Scanning Tunneling Microscope for Undergraduate Instruction in Thin Film Science

大学生用扫描隧道显微镜 薄膜科学教学”计划的目的， 加强本科生电子薄膜实验室， 材料科学与工程系的大四学生。 因为表面热力学和动力学在 薄膜电子材料的生长和加工， 寻求扩大我们实验室的主题，包括表面 原子结构和表面热力学和动力学。的 STM的发明允许本科生 不仅能单独观察原子， 也可以测量材料的基本性质， 基本水平。它将在我们的实验室中用于观察 表面原子间相互作用的动力学 这是理解基本材料过程的关键 例如扩散、聚结和晶粒生长。也关注于我们的 个人的经验与STM和同事的投入，我们 已经组装了一组实验来研究他们的 适合本科教学。实验包括 隧穿现象、结构和微结构 表征，包括个体的原子分辨率 有机吸附物和聚合物的二维有序。然而 这项工作的大部分发展将集中在 设计实验，强调核心概念， 材料科学：成核与生长。一份报告 这些实验的细节将被写为实验室 手册.

The "Scanning Tunneling Microscope for Undergraduate Instruction in Thin Film Science" project is proposed to enhance the undergraduate Electronic Thin Film laboratory for seniors in the Materials Science and Engineering Department. Because surface thermodynamics and kinetics play a key role in the growth and processing of thin film electronic materials, we seek to expand the topics for our laboratory to include surface atomic structure and surface thermodynamics and kinetics. The invention of the STM allows undergraduate students the opportunity to actually observe not only atoms individually but also to measure fundamental properties of materials on the most basic level. It will be used in our laboratory to observe the dynamics of the interactions between the atoms on the surface which is key to understanding the basic materials processes such as diffusion, coalescence and grain growth. Drawing on our personal experience with STM and the input of colleagues we have assembled set of experiments to be investigated for their suitability for undergraduate instruction. Experiments include tunneling phenomena, structure and microstructure characterization including atomic resolution of individual organic adsorbates and the 2-D ordering of polymers. However the majority of the development of this work will be focused toward designing experiments which emphasis core concepts in materials science: Nucleation and Growth. A report which details these experiments will be written as a laboratory manual.