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Colloquium: Spin Currents and Magnetism in Graphene

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Roland Kawakami, Ohio State University
20 November 2014 from 4:00 PM to 5:00 PM
117 Osmond Laboratory
Contact Name
Jun Zhu
Contact Phone
(814) 865-4376
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Graphene has emerged as one of the most exciting systems for investigating spin transport and other spin-dependent phenomena. It turns out to be one of the best materials for spin transport, with room temperature spin diffusion lengths of several microns, far better than any other material. As a 2D atomic crystal, it turns out to be very surface sensitive and its spin-dependent properties could be modified by surface modifications. We are exploring induced phenomena such as magnetism in graphene induced by point defects including hydrogen adatoms and vacancies. Finally, I will discuss a new type of 2D material, germanane, which is a cousin of graphene but with germanium atoms in place of the carbon atoms.