Abstract
An emerging type-II Dirac semimetal PtTe2 exhibits a large potential for spintronic devices due to the high conductivity, high mobility, and good air stability. However, there are few reports on the terahertz emission phenomena in PtTe2 films, which may prohibit the practical application in the future. Here, we successfully prepared high quality two-dimensional (2D) materials PtTe2 and combined it with ferromagnet Fe into heterostructure. Then the spintronic terahertz (THz) emission characteristics of PtTe2/Fe heterostructure excited by ultrafast femtosecond laser were investigated. Our work provides a novel material strategy for spintronic devices, paving the way for researching next-generation optospintronic devices.
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