The high magnetoresistance performance of epitaxial half-metallic CrO2-based magnetic junctions

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成果类型：

期刊论文

作者：

Zhang, Zhenhua*;Cheng, Ming*;Fan, Zhiqiang;Liu, Yong;Wang, Dengjing;...

通讯作者：

Zhang, Zhenhua;Cheng, Ming

作者机构：

[Lu, Zhihong; Zhang, Zhenhua] Wuhan Univ Sci & Technol, State Key Lab Refractories & Met, Wuhan 430081, Peoples R China.

[Lu, Zhihong; Zhang, Zhenhua] Wuhan Univ Sci & Technol, Sch Mat & Met, Wuhan 430081, Peoples R China.

[Cheng, Ming; Xiong, Rui; Liu, Yong] Wuhan Univ, Sch Phys & Technol, Key Lab Artificial Micro & Nanostruct, Minist Educ, Wuhan 430072, Peoples R China.

[Fan, Zhiqiang] Changsha Univ Sci & Technol, Sch Phys & Elect Sci, Changsha 410114, Peoples R China.

[Wang, Dengjing] Wuhan Univ Sci & Technol, Coll Sci, Wuhan 430065, Peoples R China.

通讯机构：

[Rui Xiong] K

[Zhihong Lu] T

The State Key Laboratory of Refractories and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China<&wdkj&>School of Materials and Metallurgy, Wuhan University of Science and Technology, Wuhan 430081, China<&wdkj&>Key Laboratory of Artificial Micro- and Nano-structures of Ministry of Education, School of Physics and Technology, Wuhan University, Wuhan 430072, China

语种：

英文

期刊：

PHYSICAL CHEMISTRY CHEMICAL PHYSICS

ISSN：

1463-9076

年：

2023

卷：

期：

页码：

1848-1857

DOI：

10.1039/d2cp05015c

基金类别：

National Natural Science Foundation of China; China Postdoctoral Science Foundation; [12204364]; [51871170]; [2022M712479]

机构署名：

本校为其他机构

院系归属：

物理与电子科学学院

摘要：

Half-metallic chromium dioxide (CrO(2)) is an ideal spintronic material due to its near-full spin polarization and ultralow Gilbert damping at room temperature. Based on theoretical calculations, we found that the tunneling magnetoresistance (TMR) ratios of the CrO(2)/XO(2)/CrO(2) (X= Ti and Sn) magnetic tunnel junctions (MTJs) can reach up to the order of magnitude of 10(5)%, and the magnetoresistance (MR) ratio of CrO(2)/RuO(2)/CrO(2) magnetic junctions (MJs) can reach the order of magnitude of 10(4)%. In addition, we succeeded in fabricating epitaxial CrO(2)-based MTJs (CrO(2)/TiO(2)/CrO(2)...

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The high magnetoresistance performance of epitaxial half-metallic CrO2-based magnetic junctions

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