RUI: Ultrasonic Studies in the Alkali Metals

他们的计划将包括四个主题。(1)碱金属中超声波的直接电磁产生。这包括寻找晶格不稳定性、电荷密度波(CDW)结构，以及在强磁场中的测量。(2)碱金属单晶生长和中子衍射研究，与橡树岭国家实验室、密苏里大学和国家标准与技术研究所的人员合作。他们将研究钠、锂和锂镁合金。(3)高温超导体中的超声衰减和声速。他们将研究各种样本，并包括压力效应。(4)碱金属(钠、钾、铯)熔点附近的超声研究。他们希望达到熔点0.1MK以内。

Their program will consist of four topics. (1) Direct electromagnetic generation of ultrasound in alkali metals. This includes looking for lattice instabilities, charge-density wave (CDW) structure, and measurements in high magnetic fields. (2) Single crystal growth and neutron diffraction studies in alkali metals, in collaboration with people at Oak Ridge National Laboratory, University of Missouri, and National Institute of Standards and Technology. They will look at sodium, lithium, and lithium magnesium alloys. (3) Ultrasonic attenuation and velocity in high temperature superconductors using primarily their own samples. They will look at a variety of samples and include pressure effects. (4) Ultrasonic studies near the melting point in alkali metals (sodium, potassium, cesium). They hope to reach within 0.1 mK of melting point.