title: Tuning electronic and magnetic properties of partially hydrogenated graphene by biaxial tensile strain: a computational study.
abstract: Using density functional theory calculations, we have investigated the effects of biaxial tensile strain on the electronic and magnetic properties of partially hydrogenated graphene (PHG) structures. Our study demonstrates that PHG configuration with hexagon vacancies is more energetically favorable than several other types of PHG configurations. In addition, an appropriate biaxial tensile strain can effectively tune the band gap and magnetism of the hydrogenated graphene. The band gap and magnetism of such configurations can be continuously increased when the magnitude of the biaxial tensile strain is increased. This fact that both the band gap and magnetism of partially hydrogenated graphene can be tuned by applying biaxial tensile strain provides a new pathway for the applications of graphene to electronics and photonics.
authors.affiliation: Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea.
authors.forename: Er Hong
authors.initials: EH
authors.lastname: Song
authors.affiliation: Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea.
authors.forename: Ghafar
authors.initials: G
authors.lastname: Ali
authors.affiliation: Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea.
authors.forename: Sung Ho
authors.initials: SH
authors.lastname: Yoo
authors.affiliation: Department of Materials Science and Engineering, Jilin University, Changchun 130022, China.
authors.forename: Qing
authors.initials: Q
authors.lastname: Jiang
authors.affiliation: Department of Nuclear and Quantum Engineering, Korea Advanced Institute of Science and Technology, Daejeon 305-701, Republic of Korea.
authors.forename: Sung Oh
authors.initials: SO
authors.lastname: Cho
keywords: Band gap; Graphene; Magnetism; Strain