Anomalous Hall effect;
Perpendicular magnetic anisotropy;
Interface chemical states;
X-ray photoelectron spectroscopy;
D O I:
10.1016/j.apsusc.2014.09.021
中图分类号:
O64 [物理化学(理论化学)、化学物理学];
学科分类号:
070304 ;
081704 ;
摘要:
Chemically manipulated anomalous Hall effect (AHE) and perpendicular magnetic anisotropy (PMA) have been studied in MgO/[Co/Pt](3)/MgO multilayers by introducing a Mg metal layer between the Co layer and the top MgO layer. It is shown that the saturation anomalous Hall resistivity (pAH) and effective magnetic anisotropy (rho(AH)) are 125% and 26% larger than those in the multilayers without Mg insertion, respectively. The X-ray photoelectron spectroscopy (XPS) analysis shows that the enhancement of AHE and PMA is primarily ascribed to effective control of chemical states at the Co/MgO interface. (C) 2014 Elsevier B.V. All rights reserved.
机构:
Capital Normal Univ, Dept Phys, Beijing 100048, Peoples R China
Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R ChinaCapital Normal Univ, Dept Phys, Beijing 100048, Peoples R China
Na, Liu
Hai, Wang
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机构:
Capital Normal Univ, Dept Phys, Beijing 100048, Peoples R ChinaCapital Normal Univ, Dept Phys, Beijing 100048, Peoples R China
Hai, Wang
Tao, Zhu
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机构:
Chinese Acad Sci, Inst Phys, State Key Lab Magnetism, Beijing 100190, Peoples R ChinaCapital Normal Univ, Dept Phys, Beijing 100048, Peoples R China
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Ju Hai-Lang
Li Bao-He
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h-index: 0
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Li Bao-He
Wu Zhi-Fang
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h-index: 0
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Wu Zhi-Fang
Zhang Fan
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h-index: 0
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Zhang Fan
Liu Shuai
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h-index: 0
机构:
Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Liu Shuai
Yu Guang-Hua
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Ju Hai-Lang
Wang Hong-Xin
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h-index: 0
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Wang Hong-Xin
Cheng Peng
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机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Cheng Peng
Li Bao-He
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Li Bao-He
Chen Xiao-Bai
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h-index: 0
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Chen Xiao-Bai
Liu Shuai
论文数: 0引用数: 0
h-index: 0
机构:
Beijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
Liu Shuai
Yu Guang-Hua
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R ChinaBeijing Technol & Business Univ, Sch Sci, Beijing 102488, Peoples R China
机构:
North China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R ChinaNorth China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R China
Liu, Qian
Jiang, Shaolong
论文数: 0引用数: 0
h-index: 0
机构:
Peking Univ, Coll Engn, Dept Mat Sci & Engn, Beijing 100871, Peoples R ChinaNorth China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R China
Jiang, Shaolong
Teng, Jiao
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R ChinaNorth China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R China
机构:
North China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R ChinaNorth China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R China
Liu, Qian
Jiang, Shaolong
论文数: 0引用数: 0
h-index: 0
机构:
Peking Univ, Coll Engn, Dept Mat Sci & Engn, Beijing 100871, Peoples R ChinaNorth China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R China
Jiang, Shaolong
Teng, Jiao
论文数: 0引用数: 0
h-index: 0
机构:
Univ Sci & Technol Beijing, Dept Mat Phys & Chem, Beijing 100083, Peoples R ChinaNorth China Univ Sci & Technol, Coll Met & Energy, Tangshan 063210, Peoples R China