Newly Preparation of Chaotic Low Dimensional Conducting System by Polymer C60 Ultrathin films and Application to Super-functional Electronic Devices

本工作的主要目的是：1）利用Au薄膜上的自组装单层膜，合成基于金属与π电子相互作用的新型二维导电体系。2）研究混沌导电体系和室温超导的可能性。1）开发了C60衍生物的合成新工艺（C60-O-C8 SH）自组装膜（C60-SAM）在Au纳米薄膜/MgO（100）单晶上的自组装沿着由透明台阶形成的台阶制备尺度Au外延膜，并通过优化退火条件制造平台结构。C_（60）-SAM/Au/MgO样品是符合Little和Ginzburg提出的室温超导体模型的材料体系。当微-这些结果揭示了室温超导的可能性，这将通过对超导体电阻率的测量来阐明。样品制备过程的精细化和/或样品表征的详细测量。

The purpose of this work are the following:1) The synthesis of the novel 2-dimensional conducting system on the basis of the interaction between metals and π electrons by using the self-assembly monolayer formed on the Au ultrathin films.2) The investigation of the chaotic conducting system and the possibility of a room temperature superconductivity.As results of this work are the following:1) We have developed the new process to prepare the C60 derivative (C60-O-C8SH) self-assembly monolayer (C60-SAM) on Au ultrathin films/MgO(100)single crystal.2) By AFM observation we demonstrated that nano-scale Au ultrathin films were prepared along to the steps formed of the clear step and terrace structures were fabricated by optimization of the annealing conditions. The obtained samples, C60-SAM/Au/MgO were the materials system corresponding to the room temperature superconductor model proposed by Little and Ginzburg.3) In some of the obtained samples the resistivity anomaly was observed at about 200K, when the micro-scale electrodes were fabricated for the resistivity measurements.These obtained results revealed the possibility of the room temperature superconductivity which will be clarified by the refinement of the sample preparation process and/or the detailed measurements of the sample characterization.