Acquistion of Computer Automated Zero Field AC SusceptometerResistivity Instrumentation

该项目将提供一个计算机自动化，零场交流- 具有四个探头交流电阻率和I特斯拉的电阻率计 超导螺线管，允许磁相图 在中等应用领域的材料的测定。 这 仪器将用于各种新的和持续的 磁化率和/或电阻率 测量起着关键作用。 具体项目包括（A） 高温铜酸盐的一般表征 超导体，（B）场诱导多晶取向 高温超导体的镶嵌，（C）非线性和频率 高Tc超导体的磁行为响应，（D） 导电有机金属的磁性和输运性质 基于价均双核金属聚集体的聚合物，（E） 低温零场磁化率和Ho-T相图 高自旋铁络合物的行为III. 这 东北大学目前还没有仪器 大学 它将由化学系的教师分享， 物理系，并将提供给其他用户， needed.

This project will provide a computer automated, zero-field AC- susceptometer with four probe AC-resistivity and a I Tesla superconducting solenoid, allowing magnetic phase diagram determinations of materials over moderate applied fields. This instrumentation will be used in a variety of new and continuing research areas for which magnetic susceptibility and/or resistivity measurements play a crucial role. Specific projects include (A) general characterization of high temperature cuprate superconductors, (B) field induced orientation of polycrystal mosaics of high Tc superconductors, (C) non-linearity and frequency response of the magnetic behavior of high Tc superconductors, (D) magnetism and transport properties of conductive organo-metallic polymers based on valence averaged binuclear metal aggregates, (E) low temperature zero field susceptibility and Ho vs T phase diagram behavior of complex flourides of high spin Iron III. This instrumentation is not presently available at Northeastern University. It will be shared by faculty in the Chemistry and Physics departments, and will be made available to other users as needed.