Electromechanical Properties of Suspended Graphene Nanoribbons Export

@article{citeulike:4788098, abstract = {PMID: 19505116 Graphene nanoribbons present diverse electronic properties ranging from semiconducting(1-3) to half-metallic,(4) depending on their geometry, dimensions, and chemical composition.(5, 6, 7) Here we present a route to control these properties via externally applied mechanical deformations. Using state-of-the-art density functional theory calculations combined with classical elasticity theory considerations, we find a remarkable Young's modulus value of ∼ 7 TPa for ultranarrow graphene strips and a pronounced electromechanical response toward bending and torsional deformations. Given the current advances in the synthesis of nanoscale graphene derivatives, our predictions can be experimentally verified opening the way to the design and fabrication of miniature electromechanical sensors and devices based on ultranarrow graphene nanoribbons.}, author = {Hod, Oded and Scuseria, Gustavo E.}, citeulike-article-id = {4788098}, citeulike-linkout-0 = {http://dx.doi.org/10.1021/nl900913c}, citeulike-linkout-1 = {http://pubs.acs.org/doi/abs/10.1021/nl900913c}, day = {8}, doi = {10.1021/nl900913c}, journal = {Nano Letters}, keywords = {electronic-properties, graphene, graphene-modulus, graphene-nanoribbon, mechanical-properties, nanoletters, simulation}, month = {July}, number = {7}, pages = {2619--2622}, posted-at = {2009-08-06 20:59:19}, priority = {2}, title = {Electromechanical Properties of Suspended Graphene Nanoribbons}, url = {http://dx.doi.org/10.1021/nl900913c}, volume = {9}, year = {2009} }

TY - JOUR ID - citeulike:4788098 L3 - citeulike-article-id:4788098 N2 - PMID: 19505116 Graphene nanoribbons present diverse electronic properties ranging from semiconducting(1-3) to half-metallic,(4) depending on their geometry, dimensions, and chemical composition.(5, 6, 7) Here we present a route to control these properties via externally applied mechanical deformations. Using state-of-the-art density functional theory calculations combined with classical elasticity theory considerations, we find a remarkable Young’s modulus value of ∼ 7 TPa for ultranarrow graphene strips and a pronounced electromechanical response toward bending and torsional deformations. Given the current advances in the synthesis of nanoscale graphene derivatives, our predictions can be experimentally verified opening the way to the design and fabrication of miniature electromechanical sensors and devices based on ultranarrow graphene nanoribbons. IS - 7 JF - Nano Letters EP - 2622 TI - Electromechanical Properties of Suspended Graphene Nanoribbons VL - 9 SP - 2619 KW - electronic-properties KW - graphene KW - graphene-modulus KW - graphene-nanoribbon KW - mechanical-properties KW - nanoletters KW - simulation AU - Hod, Oded AU - Scuseria, Gustavo PY - 2009/07/08/ UR - http://dx.doi.org/10.1021/nl900913c ER -