title: Electronic structure and magnetic properties of penta-graphene nanoribbons.
abstract: 2D penta-graphene sheets were cut along typical crystallographic orientations in order to construct various penta-graphene nanoribbon (P-GNR) models, and their electronic structures and magnetic properties were systemically investigated. It was demonstrated that P-GNRs are very versatile with rich and unique electronic and magnetic properties. In particular, bipolar magnetic semiconducting features can be achieved in the ferromagnetic state for all magnetic P-GNRs, which makes P-GNRs valuable for developing next-generation information storage devices. More interestingly, studies on the electric-magnetic coupling revealed that an applied transverse electric field can transform a P-GNR from a magnetic semiconductor to a half-metal with a wide band gap of 0.88 eV, which can achieve complete spin filtering even at room temperature. Important advantages of magnetism over graphene nanoribbons are thus expected.
authors.affiliation: Institute of Nanomaterial & Nanostructure, Changsha University of Science and Technology, Changsha 410114, China. zhzhang@csust.edu.cn.
authors.forename: P F
authors.initials: PF
authors.lastname: Yuan
authors.affiliation: Institute of Nanomaterial & Nanostructure, Changsha University of Science and Technology, Changsha 410114, China. zhzhang@csust.edu.cn.
authors.forename: Z H
authors.identifier: http://orcid.org/0000-0002-8753-0543
authors.initials: ZH
authors.lastname: Zhang
authors.affiliation: Institute of Nanomaterial & Nanostructure, Changsha University of Science and Technology, Changsha 410114, China. zhzhang@csust.edu.cn.
authors.forename: Z Q
authors.initials: ZQ
authors.lastname: Fan
authors.affiliation: Institute of Nanomaterial & Nanostructure, Changsha University of Science and Technology, Changsha 410114, China. zhzhang@csust.edu.cn.
authors.forename: M
authors.initials: M
authors.lastname: Qiu