几个相关联纳米结构小子体系中的电子结构，以及它们与准粒子之间相互作用、杂化和耦合相关的一些重要的光电子超快动力学过程。

       低维强关联和磁性材料

发展同步辐射和氧化物生长等实验技术，开展高温超导、子相变体系和电荷轨道有序现象的研究，试图弄清子相变点对电子结构的影响，轨道有序和电子结构关系，以及高温超导与低维Mott系统中电子结构的演变等强关联电子体系研究中的重要问题。开展利用分子束外延、多靶磁控溅射和电化学沉积等多种实验方法制备的磁性超薄膜和多层膜、磁性纳米线和磁性纳米点等各种纳米磁性结构的研究，试图弄清其原子结构、电子态和磁性及其相互关联，进一步揭示固体磁性的本质；研究纳米磁性结构中的磁相变行为、磁各向异性、自旋再取向、磁化反转及其磁畴变化动力学等多种技术磁性中的重要问题，探索可能的新型垂直磁记录材料及其原型器件结构。

The electronic structures in several correlated nanostructured small systems, and some important optoelectronic ultrafast dynamics processes related to their interaction, hybridization and coupling with quasi-particles.

Low-dimensional strong correlation and magnetic materials

Develop experimental technologies such as synchrotron radiation and oxide growth, carry out research on high temperature superconductivity, phase transition system and charge orbital ordering, and try to understand the influence of phase transition point on electronic structure, the relationship between orbital ordering and electronic structure, as well as the evolution of electronic structure in high temperature superconductivity and low-dimensional Mott system and other important issues in the study of strongly related electronic systems. To carry out research on magnetic ultrathin films and multilayers, magnetic nanowires and magnetic nanodots prepared by molecular beam epitaxy, multi-target magnetron sputtering and electrochemical deposition and other experimental methods, and to try to understand their atomic structure, electronic state, magnetism and their correlation, and further reveal the nature of solid magnetism; The important problems in technical magnetism such as magnetic phase transition behavior, magnetic anisotropy, spin reorientation, magnetization reversal and dynamics of magnetic domain change in nanometer magnetic structures are studied, and possible new vertical magnetic recording materials and prototype device structures are explored.