Ultralow Temperature Studies of 3He and Low Dimensional Materials

3He 和低维材料的超低温研究

• 批准号: 9501209
• 负责人: Hans Bozler
• 金额: $ 15万
• 依托单位: University of Southern California
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 1995
• 资助国家: 美国
• 起止时间: 1995-08-01 至 1997-08-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=9501209&HistoricalAwards=false
• 关键词: Ultralow; Temperature; Studies; 3He; Low

9501209 Bozler This project is a study of materials at ultralow temperatures and the development of ultralow temperature techniques. The experiments are carried out at temperature substantially below 1K. Several areas research are represented. One addresses the magnetic properties of superfluid 3He. The experiments are of interest because they will provide important test of extant theories, and address fundamental issues related to low temperature magnetic measurement methods. The second is the magnetism of thin films of 3He. The thin film magnetism differs in interesting ways from bulk magnetic properties of 3He. The third area is the transport properties of thin metal films and the development of instrumentation based on superconducting quantum interference devices (SQUIDS). This includes important research in a new area of mesoscopic physics. The various research projects are of a fundamental nature, but may have technical relevance in the context of advanced materials and devices operating at cryogenic temperatures. For example, ultrasensitive SQUID devices have been employed in clinical studies of the weak magnetic fields originating from brain wave activity. %%% This project is a study of materials at ultralow temperatures and the development of ultralow temperature techniques. The experiments are carried out at temperature substantially below 1K. Several areas research are represented. One addresses the magnetic properties of superfluid 3He. The experiments are of interest because they will provide important test of extant theories, and address fundamental issues related to low temperature magnetic measurement methods. The second is the magnetism of thin films of 3He. The thin film magnetism differs in interesting ways from bulk magnetic properties of 3He. The third area is the transport properties of thin metal films and the development of instrumentation based on superconducting quantum interference devices (SQUIDS). This includes important research in a new area of mesoscopic physics. The various research projects are of a fundamental nature, but may have technical relevance in the context of advanced materials and devices operating at cryogenic temperatures. For example, ultrasensitive SQUID devices have been employed in clinical studies of the weak magnetic fields originating from brain wave activity.

9501209 Bozler该项目是对超低温下材料的研究， 发展 超低温 技术. 实验在基本上低于1K的温度下进行。 几个领域的研究代表。一个是超流体3He的磁性。这些实验之所以有趣，是因为它们将为现存的理论提供重要的检验， 并解决有关的基本问题 到 低温磁性测量方法 第二是~3He薄膜的磁性。薄膜磁性与3He的大块磁性有着有趣的不同。 第三个领域是薄金属膜的输运性质和基于超导量子干涉器件（SQUIDS）的仪器的发展。这包括介观物理学新领域的重要研究。 各种研究项目都是基础性的，但在先进材料和设备方面可能具有技术相关性 在低温下工作。 为 例如，超灵敏的SQUID设备已经被用于对源自脑电波活动的弱磁场的临床研究。 %这个项目是研究材料在超低温和 发展 超低温 技术. 实验在基本上低于1K的温度下进行。 几个领域的研究代表。一个是超流体3He的磁性。这些实验之所以有趣，是因为它们将为现存的理论提供重要的检验， 并解决有关的基本问题 到 低温磁性测量方法 第二是~3He薄膜的磁性。薄膜磁性与3He的大块磁性有着有趣的不同。 第三个领域是薄金属的输运性质 薄膜和基于超导量子干涉器件（SQUIDS）的仪器的开发。这包括介观物理学新领域的重要研究。 各种研究项目都是基础性的，但在先进材料和设备方面可能具有技术相关性 在低温下工作。 为 例如，超灵敏的SQUID设备已经被用于对源自脑电波活动的弱磁场的临床研究。