Optical properties of single-layer and bilayer arsenene phases

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buir.contributor.authorÇıracı, Salim
buir.contributor.authorDurgun, Engin
buir.contributor.orcidÇıracı, Salim|0000-0001-8023-9860
dc.citation.epage205410-9en_US
dc.citation.issueNumber20en_US
dc.citation.spage205410-1en_US
dc.citation.volumeNumber94en_US
dc.contributor.authorKecik, D.en_US
dc.contributor.authorDurgun, Enginen_US
dc.contributor.authorÇıracı, Salimen_US
dc.date.accessioned2018-04-12T10:43:47Z
dc.date.available2018-04-12T10:43:47Z
dc.date.issued2016-11en_US
dc.departmentDepartment of Physicsen_US
dc.departmentInstitute of Materials Science and Nanotechnology (UNAM)en_US
dc.departmentNanotechnology Research Center (NANOTAM)en_US
dc.description.abstractAn extensive investigation of the optical properties of single-layer buckled and washboard arsenene and their bilayers was performed, starting from layered three-dimensional crystalline phase of arsenic using density functional and many-body perturbation theories combined with random phase approximation. Electron-hole interactions were taken into account by solving the Bethe-Salpeter equation, suggesting first bound exciton energies on the order of 0.7 eV. Thus, many-body effects were found to be crucial for altering the optical properties of arsenene. The light absorption of single-layer and bilayer arsenene structures in general falls within the visible-ultraviolet spectral regime. Moreover, directional anisotropy, varying the number of layers, and applying homogeneous or uniaxial in-plane tensile strain were found to modify the optical properties of two-dimensional arsenene phases, which could be useful for diverse photovoltaic and optoelectronic applications.en_US
dc.description.provenanceMade available in DSpace on 2018-04-12T10:43:47Z (GMT). No. of bitstreams: 1 bilkent-research-paper.pdf: 179475 bytes, checksum: ea0bedeb05ac9ccfb983c327e155f0c2 (MD5) Previous issue date: 2016en
dc.identifier.doi10.1103/PhysRevB.94.205410en_US
dc.identifier.issn2469-9950
dc.identifier.urihttp://hdl.handle.net/11693/36545
dc.language.isoEnglishen_US
dc.publisherAmerican Physical Societyen_US
dc.relation.isversionofhttps://doi.org/10.1103/PhysRevB.94.205410en_US
dc.source.titlePhysical Review Ben_US
dc.titleOptical properties of single-layer and bilayer arsenene phasesen_US
dc.typeArticleen_US

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