Study on the self-organizing arrangements of nano-scale magnetic particles in Cu-base alloys and their mechanisms
铜基合金中纳米级磁性颗粒的自组织排列及其机制研究
基本信息
- 批准号:21560683
- 负责人:
- 金额:$ 3.16万
- 依托单位:
- 依托单位国家:日本
- 项目类别:Grant-in-Aid for Scientific Research (C)
- 财政年份:2009
- 资助国家:日本
- 起止时间:2009 至 2011
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Nano-granular ferromagnetic materials have heterogeneous microstructures comprising ferromagnetic fine particles and metallic or non-metallic bases. Accordingly, the microstructures are likely to give significant influences to their physical properties such as the giant magneto-resistance(GMR) effect. Despite the anticipation, the relationship between microstructure and magnetic properties has been investigated in few cases so far. The present study was aimed to make a close investigation to the relationship in Cu-Ni-Fe alloys, using transmission electron microscopy(TEM) and SQUID magnetic measurements. This investigation revealed that microstructure consisting of super-paramagnetic particles surpassed that containing fine ferromagnetic particles in the GMR effect.
纳米颗粒铁磁材料具有由铁磁细颗粒和金属或非金属基体组成的异质微结构。因此,微结构可能会对其物理性能产生重大影响,例如巨磁阻(GMR)效应。尽管如此,到目前为止,微观结构和磁性能之间的关系已经在少数情况下进行了研究。本研究的目的是使密切调查的关系,在Cu-Ni-Fe合金,利用透射电子显微镜(TEM)和SQUID磁性测量。研究表明,在巨磁电阻效应中,由超顺磁性颗粒组成的微结构优于含有细铁磁性颗粒的微结构。
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)
The microstructural evolutions of a Cu75-Fe5-Ni20 alloy depending on the isothermal annealing temperatures
Cu75-Fe5-Ni20 合金的微观结构随等温退火温度的变化
- DOI:
- 发表时间:2012
- 期刊:
- 影响因子:3.5
- 作者:S.KANG;D.S.BAE;M.TAKEGUCHI;K.J.HONG;C.H.CHANG;M.TAKEDA
- 通讯作者:M.TAKEDA
Microstructure affecting magneto-resistance of a Cu75-Fe5-Ni20 alloy
影响 Cu75-Fe5-Ni20 合金磁阻的微观结构
- DOI:
- 发表时间:2011
- 期刊:
- 影响因子:1.5
- 作者:S. Kang;M. Takeda;D.-S. BAE;K. Takanashi;M. Mizuguchi
- 通讯作者:M. Mizuguchi
Study on the microstructures and the magnetic properties of precipitates in a Cu75-Fe5-Ni20 alloy
Cu75-Fe5-Ni20合金中析出相的显微组织和磁性能研究
- DOI:10.1166/jnn.2012.4664
- 发表时间:2012
- 期刊:
- 影响因子:0
- 作者:S.KANG;M.TAKEDA;M.TAKEGUCHI;Z.HIROI;G.W.KIM;D.S.BAE;C.G.LEE;B.H.KOO
- 通讯作者:B.H.KOO
Cu-10Ni-5Co合金における析出粒子の微細組織と磁性の影響
Cu-10Ni-5Co合金中析出颗粒显微组织和磁性的影响
- DOI:
- 发表时间:2012
- 期刊:
- 影响因子:0
- 作者:李東海;森木隆大;渋谷遊;竹田真帆人;竹口雅樹
- 通讯作者:竹口雅樹
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TAKEDA Mahoto其他文献
TAKEDA Mahoto的其他文献
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{{ truncateString('TAKEDA Mahoto', 18)}}的其他基金
The relationship between microstructure and magnetic properties of nano-scale magnets formed in a copper matrix
铜基体纳米级磁体的微观结构与磁性能之间的关系
- 批准号:
25420689 - 财政年份:2013
- 资助金额:
$ 3.16万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Selforganization of Co and Fe nanoparticles in annealing process and their magnetic properties
Co和Fe纳米粒子在退火过程中的自组织及其磁性能
- 批准号:
18560643 - 财政年份:2006
- 资助金额:
$ 3.16万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Lorentz Microscopy of nano-scale magnetic particles embedded in metal matrices
嵌入金属基质中的纳米级磁性颗粒的洛伦兹显微镜
- 批准号:
16560576 - 财政年份:2004
- 资助金额:
$ 3.16万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
Microstructural evolution and domain structure of cobalt particles precipitated in a cooper matrix
铜基体中沉淀钴颗粒的微观结构演变和域结构
- 批准号:
14550650 - 财政年份:2002
- 资助金额:
$ 3.16万 - 项目类别:
Grant-in-Aid for Scientific Research (C)
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