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Large excitonic effects in monolayers of molybdenum and tungsten dichalcogenides, Physical Review B (2012)

Quasiparticle band structures and optical properties of MoS2, MoSe2, MoTe2, WS2, and WSe2 monolayers are...

 

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Tunable band gaps in bilayer graphene-BN heterostructures (with Doron Naveh and ELias Towe), arXiv (2010)

We investigate band-gap tuning of bilayer graphene between hexagonal boron nitride sheets, by external electric...

 

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Interatomic potentials for hydrogen in a-iron based on density functional theory (with Emily A. Carter and Mitsuhiro Itakura), Physical Review B (2009)

We present two interatomic potentials for hydrogen in α–iron based on the embedded atom method...

 

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Substrate-induced magnetism in epitaxial graphene (with V. B. Shenoy and N. V. Medhekar), Nanotechnology (2009)

Magnetism in graphene is of fundamental as well as technological interest, with potential applications in...

 

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Edge-stress induced warping of graphene sheets and nanoribbons (with Y. W. Zhang, C. D. Reddy, and V. B. Shenoy), Physical Review Letters (2008)

We show that edge stresses introduce intrinsic ripples in freestanding graphene sheets even in the...