Dresden 2017 – wissenschaftliches Programm

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MA: Fachverband Magnetismus

MA 66: Poster 3

MA 66.6: Poster

Freitag, 24. März 2017, 09:30–13:00, P2-OG2

Coupling of magnetism and structural phase transition in V2O3/Co bilayers — •Changan Wang^1,2,3, Chi Xu^1,2, Ye Yuan^1,2, Yu-Jia Zeng³, Manfred Helm^1,2, and Shengqiang Zhou¹ — ¹Helmholtz-Zentrum Dresden-Rossendorf, Institute of Ion Beam Physics and Materials Research, Bautzner Landstr. 400, 01328 Dresden, Germany — ²Technische Universität Dresden, 01062 Dresden, Germany — ³Shenzhen Key Laboratory of Laser Engineering, College of Optoelectronic Engineering, Shenzhen University, 518060 Shenzhen, China

Exchange couplings across interfaces of hybrid magnetic heterostructures are being considered as unique opportunity for functional materials design. In this study, we show that both coercivity and magnetization of V2O3/Co bilayers are affected by the stress associated with structural phase transition across metal-insulator phase transition in V2O3. The change in coercivity is as large as 76% in a very narrow temperature range. The magnetic properties can be controlled by stress, which is significant for future multiferroic and spintronics applications.