Document Type


Original Publication Date


Journal/Book/Conference Title

Physical Review B





DOI of Original Publication



Originally published by the American Physical Society at:

Date of Submission

April 2015


First-principles calculations based on density-functional theory reveal some unusual properties of BN sheet functionalized with hydrogen and fluorine. These properties differ from those of similarly functionalized graphene even though both share the same honeycomb structure. (1) Unlike graphene which undergoes a metal to insulator transition when fully hydrogenated, the band gap of the BN sheet significantly narrows when fully saturated with hydrogen. Furthermore, the band gap of the BN sheet can be tuned from 4.7 to 0.6 eV and the system can be a direct or an indirect semiconductor or even a half-metal depending on surface coverage. (2) Unlike graphene, the hydrogenation of BN sheet is endothermic. (3) Unlike graphene, BN sheet has heteroatomic composition. When codecorated with H and F, it can lead to anisotropic structures with rich electronic and magnetic properties. (4) Unlike graphene, BN sheets can be made ferromagnetic, antiferromagnetic, or magnetically degenerate depending on how the surface is functionalized. (5) The stability of magnetic coupling of functionalized BN sheet can be further modulated by applying external strain. Our study highlights the potential of functionalized BN sheets for unusual applications.


Zhou, J., Wang, Q., Sun, Q., et al. Electronic and magnetic properties of a BN sheet decorated with hydrogen and fluorine. Physical Review B, 81, 085442 (2010). Copyright © 2010 American Physical Society.

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