Large spin-orbit torque efficiency enhanced by magnetic structure of collinear antiferromagnet IrMn

Jing Zhou; Xiao Wang; Yaohua Liu; Jihang Yu; Huixia Fu; Liang Liu; Shaohai Chen; Jinyu Deng; Weinan Lin; Xinyu Shu; Herng Yau Yoong; Tao Hong; Masaaki Matsuda; Ping Yang; Stefan Adams; Binghai Yan; Xiufeng Han; Jingsheng Chen

doi:10.1126/sciadv.aau6696

Research ArticleMATERIALS SCIENCE

Large spin-orbit torque efficiency enhanced by magnetic structure of collinear antiferromagnet IrMn

Jing Zhou¹,
Xiao Wang²,
Yaohua Liu³,
Jihang Yu¹,
Huixia Fu⁴,
Liang Liu¹,
Shaohai Chen¹,
Jinyu Deng¹,
Weinan Lin¹,
Xinyu Shu¹,
Herng Yau Yoong¹,
Tao Hong³,
Masaaki Matsuda³,
Ping Yang¹,⁵,
Stefan Adams¹,
Binghai Yan⁴,
Xiufeng Han² and
Jingsheng Chen ¹,⁶,*

¹Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.
²Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing, China.
³Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA.
⁴Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot, Israel.
⁵Singapore Synchrotron Light Source (SSLS), National University of Singapore, 5 Research Link, Singapore 117603, Singapore.
⁶Suzhou Research Institute, National University of Singapore, Suzhou 215123, China.

↵*Corresponding author. Email: msecj{at}nus.edu.sg

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Science Advances 10 May 2019:
Vol. 5, no. 5, eaau6696
DOI: 10.1126/sciadv.aau6696

Jing Zhou

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Xiao Wang

Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing, China.

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Yaohua Liu

Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA.

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Jihang Yu

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Huixia Fu

Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot, Israel.

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Liang Liu

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Shaohai Chen

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Jinyu Deng

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Weinan Lin

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Xinyu Shu

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Herng Yau Yoong

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Tao Hong

Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA.

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Masaaki Matsuda

Neutron Scattering Division, Oak Ridge National Laboratory, Oak Ridge, TN, USA.

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Ping Yang

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.Singapore Synchrotron Light Source (SSLS), National University of Singapore, 5 Research Link, Singapore 117603, Singapore.

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Stefan Adams

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.

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Binghai Yan

Department of Condensed Matter Physics, Weizmann Institute of Science, Rehovot, Israel.

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Xiufeng Han

Institute of Physics and Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing, China.

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Jingsheng Chen

Materials Science & Engineering, National University of Singapore, 9 Engineering Drive 1, Singapore 117575, Singapore.Suzhou Research Institute, National University of Singapore, Suzhou 215123, China.

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For correspondence: msecj@nus.edu.sg

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