Development of High Performance Exchange Bias Materials by Analyzing and Controlling Interfacial Induced Uncompensated Antiferromagnetic Spins
Development of High Performance Exchange Bias Materials by Analyzing and Controlling Interfacial Induced Uncompensated Antiferromagnetic Spins
批准号:
20360133
负责人:
TSUNODA Masakiyo
金额:
$11.81万
依托单位:
依托单位国家:
日本
项目类别:
Grant-in-Aid for Scientific Research (B)
财政年份:
2008
资助国家:
日本
项目状态:
已结题
起止时间:
2008 至 2010
中文摘要
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英文摘要
A correlation between uncompensated (UC)antiferromagnetic (AF)spins and exchange bias (E. B.)strength was investigated for Mn_<74> Ir_<26>/Co_<100-x> Fe_x bilayers. The E. B. strength had a maximum at x=25 at.%, and the x-ray magnetic circular dichroism of Mn, representing the UC-AF spins, changed systematically in sign and magnitude with respect to x. A linear correlation was found between the E. B. strength and the root mean square magnitude of the UC-Mn spins. The hidden parameter connecting these two quantities might be exchange coupling energy at the hetero-interface, which varies as a function of the ferromagnetic layer composition. Based on the above findings, we succeeded to induce large (> 1. 2 erg/cm^2)E. B. strength on L1_2-Mn_3Ir/Co_<65> Fe_<35> bilayers with inserting an ultra-thin Co-Fe layer which induces large Mn-XMCD.
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γ-Mn-Ir/Fe-Co-Ni積層膜の交換磁気異方性と強磁性層結晶構造との相関
γ-Mn-Ir/Fe-Co-Ni叠层薄膜交换磁各向异性与铁磁层晶体结构的相关性
DOI:
--
发表时间:
2010
期刊:
Journal of Magnetics Society of Japan
影响因子:
--
作者:
[高橋宏和, 角田匡清, 三俣千春, 高橋研]
通讯作者:
高橋研
Correlation between exchange bias field and domain size of ferromagnetic layer in Mn-Ir / Co-Fe bilavers
Mn-Ir/Co-Fe 双体中交换偏置场与铁磁层磁畴尺寸的相关性
DOI:
--
发表时间:
2009
期刊:
Journal of Applied Physics 105
影响因子:
--
作者:
[福島俊之, 高宮健吾, 土方泰斗, 矢口裕之, 吉田貞史, 岡野真人, 吉田正裕, 秋山英文, 窪谷茂幸, 尾鍋研太郎, 片山竜二, D.Y.Kim, 平島知彦, H. Takahashi]
通讯作者:
H. Takahashi
Enhanced Exchange Anisotropy by Ultra-Thin Co_xFe_<100-x>(x>80) Layer Insertion at the Interface of L1_2-Ordered Mn_3Ir/Co_<65>Fe_<35> Bilayers
L1_2有序Mn_3Ir/Co_<65>Fe_<35>双层界面处超薄Co_xFe_<100-x>(x>80)层插入增强交换各向异性
DOI:
--
发表时间:
2008
期刊:
IEEE Transaction on Magnetics 44
影响因子:
--
作者:
[K. Komagaki, M. Tsunoda, H. Takahashi, K. Noma, H. Kanai, K. Kobayashi, Y. Uehara, and M. Takahashi, 橘高明信, C. Mitsumata, 樋口卓也, M. Tsunoda, 稲田智志, K. Komagaki]
通讯作者:
K. Komagaki
強磁性/反強磁性積層膜の交換磁気異方性と界面非補償反強磁性スピンとの相関~ハイゼンベルグモデルによる検討~
铁磁/反铁磁堆叠薄膜中交换磁各向异性与界面未补偿反铁磁自旋之间的相关性〜使用海森堡模型进行研究〜
DOI:
--
发表时间:
2009
期刊:
影响因子:
--
作者:
[三俣千春, 角田匡清、高橋宏和、中村哲也、高橋研, 秋山英文, 高橋宏和, 三俣千春]
通讯作者:
三俣千春
Tailor-made nano-structured materials for perpendicular recording media and head—precise control of direct/indirect exchange coupling
用于垂直记录介质和磁头的定制纳米结构材料——直接/间接交换耦合的精确控制
DOI:
10.1016/j.jmmm.2008.05.008
发表时间:
2009
期刊:
Journal of Magnetism and Magnetic Materials
影响因子:
2.7
作者:
[M. Takahashi, M. Tsunoda, S. Saito]
通讯作者:
S. Saito
共 38 条
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STUDY FOR MECHANISM OF GIANT EXCHANGE ANISOTROPY AND DEVELOPMENT OF HIGH PERFORMANCE Mn BASED ANTIFERROMAGNETIC MATERIALS
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财政年份:2004
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依托单位:
GIANT EXCHANGE ANISOTROPY OF FERROMAGNETIC/ANTIFERROMAGNETIC BILAYERS INDUCED BY THE CONTROLE OF THEIR MICROSTRUCTURE AND INTERFACE
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负责人:TSUNODA Masakiyo
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依托单位:
国内基金
海外基金
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