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T.N. Anh Nguyen
T.N. Anh Nguyen
Vietnam Academy of Science and Technology, Vietnam
Tunable Magnetic Anisotropy in Metallic Multilayers: A Promising New Avenue to Next Generation Spintronics Devices

Future spintronic devices based on spin-transfer torque (STT) require a delicate engineering of the constituent magnetic layers. While spin-transfer torque devices are typically based on either in-plane or perpendicularly magnetized materials, a tilted free or fixed layer provides additional design freedom [1,2]. Unfortunately, the tilt angle is often defined by magnetocrystalline anisotropy, which cannot be readily tuned. We recently proposed a new ideal candidate for a tunable tilted magnetic material by using exchange-coupled in-plane/out-of-plane anisotropy system. Due to the competition between the perpendicular magnetic anisotropy (PMA) of the Co/Ni or Co/Pd multilayers and the in-plane magnetic anisotropy (IMA) of the NiFe layer, a variable magnetization tilt angle has been shown [3,4]. In order to explore underlying magnetization reversal mechanism and to further understand the control of tilt angles and uniformity of the magnetization, the exchange coupled spring systems are systematically studied with different PMA, IMA materials as well as different thickness parameters. This work provides meaningful insights to materials system with mixed anisotropies for future utilization in STT-MRAM or STO devices.

Dr. T.N. Anh Nguyen is currently a Group Leader of Spintronics Research Group at Institute of Materials Science, Vietnam Academy of Science and Technology (VAST), Vietnam. She did her Ph.D. research in Nanomaterials and Engineering at Korea Institute of Science and Technology (KIST) in Seoul, Korea and obtained her Ph.D. degree in 2008. After that she worked at Hung Yen University of Education and Technology, Hung Yen, Vietnam as the Vice Dean of Basic Department for 3 years (2009-2012) and then moved to Laboratory for Nanotechnology (LNT), Vietnam National University-Ho Chi Minh City, Vietnam where she worked as the Leader of Spintronics Research Group (2012-2014). She joined the Royal Institute of Technology (KTH), Stockholm Sweden as a postdoc for almost 5.5 years (2009-2014). She was appointed as member of the Vietnam association for Intellectual Women and the Swedish Goodwill Ambassador about Education and Culture in Vietnam from the Embassy of Sweden last year. Within the last 5 years, she has successfully published more than 25 peer-reviewed journal articles receiving over 250 citations. She is a regular reviewer of Applied Physics Letter, IEEE Transactions on Magnetics, Journal of Applied Physics, Journal of Superconductivity and Novel Magnetism Journals and has been a committee member for several international conferences in nanoscience and nanotechnology: IWNA 2013 Conference (Vung Tau, Vietnam), IWNN-APCBM 2015 Conference (Da Nang, Vietnam), and IWAMSN 2016 Conference (Ha Long, Vietnam).
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