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Realizing valley polarization and valley inversion in graphene by using a valley magnet

By Si-Yu Li and others
It is quite easy to control the spin polarization and spin direction of a system via magnetic fields. However, there is no such a direct and efficient way to manipulate the valley pseudospin degree of freedom. Here, we demonstrate experimentally that a valley magnet can switch valley polarization and valley... Show more
January 12, 2019
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Realizing valley polarization and valley inversion in graphene by using a valley magnet
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