Identification of Single Particle by Observing Dynamic Motions Caused by Magnetic Volume Force.

通过观察磁体积力引起的动态运动来识别单个粒子。

• 批准号: 23654123
• 负责人: UYEDA Chiaki
• 金额: $ 0.25万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Challenging Exploratory Research
• 财政年份: 2011
• 资助国家: 日本
• 起止时间: 2011 至 2013
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-23654123/
• 关键词: 反磁性異方性; 微小重力; 磁気体積力; 磁場勾配力; ダスト整列; 磁化測定; 磁気異方性; 非晶質シリケート; 回転振動; 電子スピン共鳴; 空間分布; 室内型微小重力発生装置; 磁気放出; 物質同定; 室内型μＧ発生装置; 並進運動; 微小試料; フェライト

A new method to identify the material of a small grain is proposed which is driven by magnetic volume force. By comparing the measured susceptibility of a particle by their published values, material of the particle is identified. Solid materials are generally obtained as an ensemble of grains with different elemental composition with heterogeneous origins. At an initial stage of investigating this type of material, it is important to extract and identify the material of individual particles included in the ensemble. Such method should be non-destructive and easily performed.. The present results achieved on sub-millimetre-sized diamagnetic grain have a large significance as a step to realize the extraction and identification of micron-sized grains that compose the primitive materials. The technique described is useful in the search for new types of pre-solar grains that are not identified as yet.

提出了一种基于磁体积力驱动的小颗粒材料识别新方法。通过将粒子的磁化率测量值与公布的值进行比较，可以确定粒子的材料。固体材料通常是由具有不同元素组成和非均质起源的晶粒组成的集合。在研究这类材料的初始阶段，重要的是提取和识别系综中包含的单个粒子的材料。这种方法应是非破坏性的，易于操作。目前在亚毫米级抗磁颗粒上取得的成果，对于实现构成原始材料的微米级颗粒的提取和鉴定具有重要意义。所描述的技术在寻找尚未确定的新型前太阳颗粒方面很有用。

项目成果

A Study on Paramagnetic Anisotropy of Amorphous Silicate Orientated to Solve the Mechanism of Dust Alignment in the Dense Regions

非晶态硅酸盐顺磁各向异性定向研究解决密集区粉尘排列机理

• 发表时间: 2013
• 作者: C. Uyeda;M. Ykoi;M. Katsura and K. Hisayoshi
• 通讯作者: M. Katsura and K. Hisayoshi

室内型μG 発生装置を用いて観察した単一粒子の磁気並進運動とその飽和磁化の計測

使用室内 μG 发生器测量单个粒子的磁平移运动及其饱和磁化强度

• 发表时间: 2012
• 作者: 植田 千秋;桑田建登;久好圭治
• 通讯作者: 久好圭治

3.Attempt to Detect Magnetization process of Single magnetic grain Obtained from Field-Induced-Translation using a Chamber-type μG System

3.尝试使用腔室式μG系统检测由场感应平移获得的单个磁性颗粒的磁化过程

• 作者: KentoKuwada;Keiji Hisayoshi and Chiaki Uyeda Proc.
• 通讯作者: Keiji Hisayoshi and Chiaki Uyeda Proc.

磁気並進運動に基づく単一粒子の飽和磁化測定

基于磁平移运动的单粒子饱和磁化强度测量

• 发表时间: 2013
• 作者: 桑田建登;久好圭治;植田千秋
• 通讯作者: 植田千秋

Paramagnetic Anisotropy of Amorphous Silicate and the Mechanism of Dust Alignment in the Dense Regions

非晶硅酸盐的顺磁各向异性与密集区尘埃排列机制

• 发表时间: 2013
• 作者: C. Uyeda;M. Ykoi;M. Katsura and K. Hisayoshi;Kaoru Ohno;A. Sekiyama;Y. Nakazawa;久保田 正人;U.Uyeda
• 通讯作者: U.Uyeda