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Origin of PSD Behavior II: Hysteresis Measurements and Domain Observations of Small Single Particles

Origin of PSD Behavior II: Hysteresis Measurements and Domain Observations of Small Single Particles
PSD 行为的起源 II:小单粒子的滞后测量和域观察
批准号:
9204762
负责人:
Susan Halgedahl
金额:
$19.71万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1992
资助国家:
美国
项目状态:
已结题
起止时间:
1992-09-15 至 1997-02-28

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中文摘要
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英文摘要
Rock magnetic studies have entered a new phase of high- sensitivity analysis, in which it is possible to unravel the physics of magnetism at the level of single magnetic grains. The PI will do a suite of experiments to study magnetic domain behavior and hysteresis loops of single particles, using the magneto- optical Kerr effect and an alternating force magnetometer. The two primary goals of this work are: 1: To determine whether the behavior of a large assemblage of particles is well-represented by he behavior of an average grain making up the assemblage. 2. To extract microphysical data that are critical to understanding the hysteresis behavior of single particles.
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Micromagnetic Experiments on Small Single Particles: Defects, Nucleation, and Wall-Pinning
  • 批准号:
    0125993
  • 项目类别:
    Standard Grant
  • 资助金额:
    $19.57万
  • 财政年份:
    2002
  • 负责人:
    Susan Halgedahl
  • 依托单位:
Local Energy Minimum Domain States in Magnetite, Titanomagnetite, and Hematite
  • 批准号:
    9725844
  • 项目类别:
    Standard Grant
  • 资助金额:
    $18.8万
  • 财政年份:
    1998
  • 负责人:
    Susan Halgedahl
  • 依托单位:
Experiments to Investigate the Demagnetization Response of Small Single Particles
  • 批准号:
    9418405
  • 项目类别:
    Continuing Grant
  • 资助金额:
    $19.89万
  • 财政年份:
    1996
  • 负责人:
    Susan Halgedahl
  • 依托单位:
Equipment for Rockmagnetic and Paleomagnetic Research: Squid Magnetometer and Shielded Room
  • 批准号:
    9204551
  • 项目类别:
    Standard Grant
  • 资助金额:
    $9.63万
  • 财政年份:
    1992
  • 负责人:
    Susan Halgedahl
  • 依托单位:
国内基金
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  • 批准号:
    2026JJ60588
  • 项目类别:
    省市级项目
  • 资助金额:
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  • 批准年份:
    2026
  • 负责人:
    周毅
  • 依托单位:
CMPK2驱动小胶质细胞焦亡介导的炎症级联反应致PSD前扣带皮层谷氨酸能神经元突触损伤的机制研究及中药干预