CAREER: Current-Induced Effects in Magnetic Nanostructures and Development of Science Education

职业:磁性纳米结构的电流感应效应和科学教育的发展

基本信息

  • 批准号:
    1218414
  • 负责人:
  • 金额:
    $ 30.26万
  • 依托单位:
  • 依托单位国家:
    美国
  • 项目类别:
    Continuing Grant
  • 财政年份:
    2011
  • 资助国家:
    美国
  • 起止时间:
    2011-08-15 至 2015-01-31
  • 项目状态:
    已结题

项目摘要

****NON-TECHNICAL ABSTRACT****Continued technological development depends on the advanced understanding of phenomena specific to nanoscale systems, and the ability to harness the phenomena for application in nanodevices. The goal of this Faculty Early Career Development project at West Virginia University is to explore new physical phenomena in nanoscale magnetic devices. Such devices promise higher speed and smaller power consumption compared to the conventional semiconductor devices. The functionality of nanomagnetic devices is associated with changes of their magnetic configuration, which can be efficiently achieved by passing an electrical current through the device. The goal of this project is to establish the scope of current-induced phenomena in nanomagnetic devices. The project will investigate whether using advanced magnetic materials with complex magnetic properties can enhance the efficiency of manipulation of magnetic nanodevices by electrical current. Additionally, new current-induced effects in magnetic devices will be probed, expanding the range of configurations achievable by applying an electrical current. The research goals of the project will be complemented by a comprehensive nanoscience education program, which includes a science camp for middle school students and development of a nanoscale physics course in the framework of the nanoscience minor at WVU.****TECHNICAL ABSTRACT****Future technological development relies on the advanced understanding of phenomena specific to nanoscale systems, and the ability to harness the phenomena for application in nanodevices. Magnetic nanodevices are a promising replacement for the conventional semiconductor devices. Their configuration can be manipulated by spin polarized electrical currents, which can rotate the magnetic moments via the spin transfer torque exerted by polarized electrons. The goal of this Faculty Early Career Development project at West Virginia University is to explore new current-induced phenomena in nanomagnetic devices that can make the manipulation of magnetic devices by current more efficient. The project will address the possibility of expanding the scope of manipulation by spin transfer to complex magnetic systems including antiferromagnets, and to magnetic configurations in which the usual spin torque becomes inefficient. The research goals of the project will be complemented by a comprehensive nanoscience education program, which includes a science camp for middle school students and development of a nanoscale physics course in the framework of the nanoscience minor at WVU.
* 非技术摘要 * 持续的技术发展取决于对纳米系统特有现象的深入理解,以及利用这些现象在纳米器件中应用的能力。 西弗吉尼亚大学的这个教师早期职业发展项目的目标是探索纳米磁性器件中的新物理现象。与传统的半导体器件相比,这样的器件保证更高的速度和更小的功耗。 纳米磁性装置的功能性与其磁性配置的变化相关联,这可以通过使电流通过装置来有效地实现。这个项目的目标是建立纳米磁性器件中电流感应现象的范围。该项目将研究使用具有复杂磁性的先进磁性材料是否可以提高电流操纵磁性纳米器件的效率。此外,新的电流感应效应的磁性设备将被探测,扩大范围的配置可通过施加电流。 该项目的研究目标将得到一个全面的纳米科学教育计划的补充,其中包括中学生的科学营和在西弗吉尼亚大学纳米科学未成年人的框架内开发纳米级物理课程。技术摘要 * 未来的技术发展依赖于对纳米级系统特有现象的深入理解,以及利用这些现象应用于纳米器件的能力。 磁性纳米器件是传统半导体器件的一个很有前途的替代品。它们的配置可以通过自旋极化电流来操纵,自旋极化电流可以通过极化电子施加的自旋转移力矩来旋转磁矩。 西弗吉尼亚大学的这个教师早期职业发展项目的目标是探索纳米磁性设备中新的电流感应现象,可以使电流更有效地操纵磁性设备。 该项目将讨论通过自旋转移将操纵范围扩大到包括反铁磁体在内的复杂磁性系统以及通常的自旋力矩变得无效的磁性配置的可能性。 该项目的研究目标将得到一个全面的纳米科学教育计划的补充,其中包括中学生的科学营和在西弗吉尼亚大学纳米科学未成年人的框架内开发纳米级物理课程。

项目成果

期刊论文数量(0)
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会议论文数量(0)
专利数量(0)

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Sergei Urazhdin其他文献

Stability criterion for critical points of a model in micromagnetics
Dynamical Coupling Between Ferromagnets Due to Spin Transfer Torque
  • DOI:
    10.1103/physrevb.78.060405
  • 发表时间:
    2008-02
  • 期刊:
  • 影响因子:
    0
  • 作者:
    Sergei Urazhdin
  • 通讯作者:
    Sergei Urazhdin

Sergei Urazhdin的其他文献

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{{ truncateString('Sergei Urazhdin', 18)}}的其他基金

Ideal memristor based on the spin liquid state in magnetic heterostructures
基于磁性异质结构自旋液态的理想忆阻器
  • 批准号:
    2005786
  • 财政年份:
    2020
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Standard Grant
Thermodynamics of nanomagnetic devices driven by spin currents
自旋电流驱动的纳米磁性器件的热力学
  • 批准号:
    1804198
  • 财政年份:
    2018
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Standard Grant
Active microwave nanodevices based on nonlocal spin injection
基于非局域自旋注入的有源微波纳米器件
  • 批准号:
    1503878
  • 财政年份:
    2015
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Standard Grant
Electrical control of nontrivial textures in magnetic nanostructures
磁性纳米结构中重要纹理的电控制
  • 批准号:
    1504449
  • 财政年份:
    2015
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Continuing Grant
Collaborative Research: Microwave Auto-Oscillators Driven by Pure Spin Currents
合作研究:纯自旋电流驱动的微波自动振荡器
  • 批准号:
    1305586
  • 财政年份:
    2013
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Standard Grant
Development of tunable nanomagnetic microwave oscillators and circuits
可调谐纳米磁性微波振荡器和电路的开发
  • 批准号:
    1218419
  • 财政年份:
    2011
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Standard Grant
Development of tunable nanomagnetic microwave oscillators and circuits
可调谐纳米磁性微波振荡器和电路的开发
  • 批准号:
    0967195
  • 财政年份:
    2010
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Standard Grant
CAREER: Current-Induced Effects in Magnetic Nanostructures and Development of Science Education
职业:磁性纳米结构的电流感应效应和科学教育的发展
  • 批准号:
    0747609
  • 财政年份:
    2008
  • 资助金额:
    $ 30.26万
  • 项目类别:
    Continuing Grant

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