Acquisition of Low Temperature NMR Instrumentation (Materials Research)

西北大学将建立一个新设施，成本非常低 温度和高分辨率核磁共振（NMR） 有能力为四名主要研究人员服务。 这 包括量子液体实验，主要是对超流体 氦三（3 He）和高度极化的液体3 He。 实验- 一系列高分子材料的超低温性能 将进行一维材料。 这些将 涉及铜和镍的磁性和核磁共振实验 酞菁及其合金。实验计划， 研究各向异性聚合物电导体。 的 电子传导机制和分子的 酞菁化合物和凯夫拉的混合物中的各向异性将 在低温下用核磁共振方法进行研究。 发展 ~ 3 He NMR方法用于定量非破坏性评价 孔隙结构是有计划的。 这些方法将应用于 涉及致密化过程特性的问题 陶瓷超快速烧结.扩散测量 和表征广泛分散的孔隙空间， 砂岩和模型多孔材料的研究。 这一设施将大大加强研究的 首席研究员和他的合作者谁是高度 被他们的同行所关注。

A new facility will be established at Northwestern with very low temperature and high resolution Nuclear Magnetic Resonance (NMR) capability to serve a group of four primary researchers. This includes quantum liquids experiments principally on superfluid Helium three (3He) and on highly polarized liquid 3He. Experi- ments on very low temperature properties of a family of highly one-dimensional materials will be carried out. These will involve magnetic and NMR experiments on copper and nickel thalocyonines and their alloys. Experiments are planned to investigate anisotropic polymeric electrical conductors. The electronic conduction mechanisms and the degree of molecular anistropy in mixtures of phthalocyanine compounds and Kevlar will be investigated by NMR methods at low temperatures. Development of 3He NMR methods for quantitative non-destructive evaluation of pore structures is planned. These methods, will be applied to problems involving charaterization of the densification process for ultra-rapid sintering of ceramics; diffusion measurements and characterization of widely dispersed pore spaces in sandstones, and studies of model porous materials. This facility will significantly enhance the research of the principal investigator and his collaborators who are highly regarded by their peers.