Detection of Individual Flux Motion in Superconductors
超导体中单个磁通运动的检测
基本信息
- 批准号:9623270
- 负责人:
- 金额:$ 10万
- 依托单位:
- 依托单位国家:美国
- 项目类别:Standard Grant
- 财政年份:1996
- 资助国家:美国
- 起止时间:1996-06-15 至 1999-05-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
w:\awards\awards96\*.doc 9623270 Yeh This research aims at developing a novel system that can be used to detect the motion of individual flux lines in high temperature superconducting (HTS) materials in magnetic fields. The instrument will be equipped with HTS thin film transformers with a micrometer-size pickup coil to couple the flux motion signal to a dc SQUID. This probe will be scanned with micrometer control. With this instrument the dynamics of flux line motion will be investigated, especially the depinning process. An objective is to determine information about individual pinning sites in the HTS material. This research may reveal the main pinning mechanism and thus may lead to an improvement in the critical current density in the HTS materials. %%% The discovery of high temperature superconducting materials provides great potential for applications in many types of products. The key problem for many practical applications is the enhancement of the critical current density in magnetic fields that is governed by control of magnetic flux line motion. This grant supports the development of a microscopic probe to detect the motion of flux lines and determine the material properties such as defects or impurities that impede or pin the flux lines. Thus this research may lead to new techniques for the preparation of high-current carrying superconductors. ***
w:\awards\awards96\*.doc 9623270 Yeh 本研究旨在发展一种新的系统,可用于检测高温超导中的单个磁通线的运动 (HTS)磁性材料 领域的 该仪器将配备高温超导薄膜变压器与微米大小的拾波线圈耦合通量运动信号的直流SQUID。 该探头将使用千分尺控制进行扫描。 利用这台仪器将研究磁通线运动的动力学,特别是脱钉过程。 一个目标是确定在高温超导体的个人钉扎网站的信息 材料 这一研究可能揭示主要的钉扎机制,从而可能导致在高温超导材料的临界电流密度的改善。 高温超导材料的发现为许多类型的产品提供了巨大的应用潜力。 许多实际应用的关键问题是通过控制磁通线运动来提高磁场中的临界电流密度。 该资助支持开发一种显微探头,以检测磁通线的运动并确定材料特性,如阻碍或钉扎磁通线的缺陷或杂质。 因此,这项研究可能会导致新的技术制备高电流携带超导体。 ***
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Wei Yeh其他文献
Wei Yeh的其他文献
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{{ truncateString('Wei Yeh', 18)}}的其他基金
REU Site: Idaho Physics Research for Undergraduates
REU 网站:爱达荷州本科生物理研究
- 批准号:
1062561 - 财政年份:2011
- 资助金额:
$ 10万 - 项目类别:
Continuing Grant
An Idaho Physics Department Based Research Experiences for Undergraduates Site
爱达荷州物理系本科生研究经验网站
- 批准号:
0754360 - 财政年份:2008
- 资助金额:
$ 10万 - 项目类别:
Continuing Grant
REU: An Idaho Physics Department Based Research Experiences for Undergraduates Site
REU:爱达荷州物理系本科生研究经验网站
- 批准号:
0453253 - 财政年份:2005
- 资助金额:
$ 10万 - 项目类别:
Continuing Grant
Research Experiences for Undergraduates - REU: An Idaho Physics Department Based Research Experiences for Undergraduates Site
本科生研究经验 - REU:爱达荷州物理系本科生研究经验网站
- 批准号:
0138992 - 财政年份:2002
- 资助金额:
$ 10万 - 项目类别:
Continuing Grant
Study of Flux-flow Dynamics in High-Tc Materials
高温材料中的通量动力学研究
- 批准号:
9202631 - 财政年份:1992
- 资助金额:
$ 10万 - 项目类别:
Standard Grant
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