Shoei Tetsukawa, Shuang Liu, V. Mag-usara, V. C. Agulto, M. Kohda, Ryan Thompson, H. Gamou, Ye Du, S. Karube, J. Nitta, M. Tani, M. Asakawa, M. Nakajima
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Spintronic Terahertz Emission and Magnetic Anisotropy of Epitaxial Platinum Heterostructures on MgO(110) Substrate
Spintronic terahertz emitters are terahertz wave emitting elements that utilize spin currents. We have produced Pt/Co spintronic terahertz emitters by epitaxial growth of Pt and Co layers on MgO(110) substrate. The azimuthal angle dependence of Pt/Co spintronic terahertz emission shows characteristic dependences due to magnetic anisotropy. The terahertz emission is useful to evaluate the magnetic anisotropy in spintronic thin films.
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