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Prof. Tanusri Saha Dasgupta : Controlling Magnetism on and in Graphene - A Tale of two Stories

Wanneer:wo 01-04-2015 14:00 - 15:00

In the first part of the talk we will report first-principles investigation of the electronic and magnetic properties of adatom on bilayer graphene. In particular, we studied the influence of an applied gate-voltage.[1,2] In the second part, we will discuss the manipulation of magnetism in small sized hexagonal graphene nanoflakes.[3,4] The effect of carrier doping, chemical modification at the edge, and finite temperature on the edge magnetism has been studied.

[1] Dhani Nafday and T. Saha-Dasgupta, Phys. Rev. B 88, 205422 (2013).

[2] Dhani Nafday and T. Saha-Dasgupta, under preparation.

[3] Mukul Kabir and T. Saha-Dasgupta, Phys. Rev. B 90, 035403 (2014).

[4] Sajeev Chacko, Dhani Nafday, D. G. Kanhere, and T. Saha-Dasgupta

Phys. Rev. B 90, 155433 ( 2014)