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Similarity of THz radiation excitation mechanisms in magnetic nanocontacts and in nanoheterostructure with heavy metal Mo
Russian version
Vilkov E. A1, Chigarev S. G.1, Byshevsky-Konopko O. A.1
1Fryazino Branch of the Kotelnikov Institute of Radioengineering and Electronics, Russian Academy of Sciences, Fryazino, Russia
Email: chig50@mail.ru
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The modes of occurrence of Three-band electromagnetic oscillations during the flow of current in magnetic nanocontacts and in a heterogeneous Fe/Mo structure with a heavy metal nanofilm are compared, and the similarity of the dependences of the change in radiated power on the change in current in the region of radiation occurrence is established. Based on this, a conclusion is made about the identity of the processes of THz radiation formation in the structures under study and the possibility of spreading physical ideas about the excitation of THz radiation during spin injection by current in the case of a heterogeneous Fe/Mo structure with a heavy metal nanofilm. Keywords: THz radiation, spin-polarized current, anisotropic exchange interaction, Dzyaloshinsky-Moriya interaction.
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