Robust Ferrimagnetism in Quasi-Freestanding Graphene

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Resumo

The influence of the size of dislocation loops on sublattice ferrimagnetism in graphene is studied. It is shown that graphene and the underlying gold layer with Au/Co dislocation loops of various sizes are characterized by ferrimagnetic ordering within atomic layers. Additional gold adatoms under graphene enhance the induced Rashba spin–orbit coupling in graphene but do not destroy the ferrimagnetic order in graphene. Since gold clusters can remain during the intercalation of gold on the surface of graphene and under graphene, the number and size of clusters after intercalation can be controlled to enhance the induced Rashba interaction and to obtain a topological phase in graphene.

Sobre autores

A. Rybkin

St. Petersburg State University, 198504, St. Petersburg, Russia

Email: artem.rybkin@spbu.ru

A. Tarasov

St. Petersburg State University, 198504, St. Petersburg, Russia

Email: artem.rybkin@spbu.ru

A. Gogina

St. Petersburg State University, 198504, St. Petersburg, Russia

Email: artem.rybkin@spbu.ru

A. Eryzhenkov

St. Petersburg State University, 198504, St. Petersburg, Russia

Email: artem.rybkin@spbu.ru

A. Rybkina

St. Petersburg State University, 198504, St. Petersburg, Russia

Autor responsável pela correspondência
Email: artem.rybkin@spbu.ru

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