Dimensionality in Artificially Structured Strongly Correlated Electron Systems

技术摘要：本提案涉及变维强相关电子系统的生长、表征和物理性质的建模。所研究的系统大多是使用最先进的薄膜沉积和电子束和扫描隧道光刻技术制备的。所研究的凝聚态问题包括超导和磁性中从零到一、从一到二、从二到三维的维度转换。这里提出的一个关键和必要的成分是这些研究中使用的人工结构的结构和化学特征。该材料将使用溅射和分子束外延生长。生长技术将与原位和非原位结构表征技术相结合，并结合在首席研究员实验室开发的模拟和改进方法。非技术摘要：限制几何中新型材料的研究提供了基础研究基础，并直接关系到微电子领域的应用，包括新型传感器、器件和记录介质的开发。所研究的凝聚态问题包括超导和磁性中从零到一维到二维和三维的维度转换。这里提出的一个关键和必要的成分是这些研究中使用的人工结构的结构和化学特征。这些材料将使用各种生长技术生长。生长技术将与主要研究者实验室开发的结构表征技术相关联。＊＊＊

9317748 Schuller Technical abstract: This proposal relates to the growth, characterization, and modeling of the physical properties of strongly correlated electron systems of varying dimensionality. The systems to be studied are mostly prepared using state-of-the-art thin film deposition and electron beam and scanning tunneling lithography techniques. The condensed matter problems studied include dimensional transitions from zero to one, one to two, and two to three dimensions in superconductivity and magnetism. A crucial and essential ingredient proposed here is the structural and chemical characterization of the artificial structures used in these studies. The materials will be grown using sputtering and molecular beam epitaxi. The growth techniques will be correlated with in situ and ex situ structural characterization techniques combined with simulation and refinement methods developed in the principal investigator's laboratory. Non-technical abstract: The study of novel materials in restricted geometries provides the basic research basis and is directly related to applications in the field of microelectronics, including the development of novel sensors, devices and recording media. The condensed matter problems studied include dimensional transitions from zero to one to two and three dimensions in superconductivity and magnetism. A crucial and essential ingredient proposed here is the structural and chemical characterization of the artificial structures used in these studies. The materials will be grown using a variety of growth techniques. The growth techniques will be correlated with structural characterization techniques developed in the principal investigator's laboratory. ***