journal article·2016-12Open access

Powerful and Tunable THz Emitters Based on the Fe/Pt Magnetic Heterostructure

Dewang Yang, Jianhui Liang, Chao Zhou, Lu Sun, Ronger Zheng, Shengnian Luo, Yizheng Wu, Jingbo Qi

Advanced Optical Materials· Volume 4· Issue 12

Abstract

Heterostructures composed of ferromagnetic metal and nonmagnetic metal with strong spin-orbit coupling are shown to be powerful broadband THz emitters, whose field strength can be maximized by optimizing the thickness of both ferromagnetic and nonmagnetic films, and the heterostructure layers. Furthermore, the THz spectrum and its intensity are tunable by the magnetic field orientation applied on the patterned magnetic Fe/Pt heterostructures. As a service to our authors and readers, this journal provides supporting information supplied by the authors. Such materials are peer reviewed and may be re-organized for online delivery, but are not copy-edited or typeset. Technical support issues arising from supporting information (other than missing files) should be addressed to the authors. Please note: The publisher is not responsible for the content or functionality of any supporting information supplied by the authors. Any queries (other than missing content) should be directed to the corresponding author for the article.
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Research context

OpenAlex topics: Terahertz technology and applications · Gyrotron and Vacuum Electronics Research · Magnetic properties of thin films

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

The Peac Institute of Multiscale Sciences Chengdu Sichuan 610031 P. R. China

Department of Physics Optics and Optoelectronics Laboratory Ocean University of China Qingdao Shandong 266100 P. R. China

Department of Physics State Key Laboratory of Surface Physics and Collaborative Innovation Center of Advanced Microstructures Fudan University Shanghai 200433 P. R. China

Key Laboratory of Advanced Technologies of Materials Ministry of Education Southwest Jiaotong University Chengdu Sichuan 610031 P. R. China

Funding

National Natural Science Foundation of China

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