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dc.contributor.authorHan, Yimo
dc.contributor.authorLi, Ming-yang
dc.contributor.authorJung, Gang-Seob
dc.contributor.authorMarsalis, Mark A.
dc.contributor.authorQin, Zhao
dc.contributor.authorBuehler, Markus J.
dc.contributor.authorLi, Lain-Jong
dc.contributor.authorMuller, David A.
dc.date.accessioned2017-12-28T07:32:16Z
dc.date.available2017-12-28T07:32:16Z
dc.date.issued2017-07-31
dc.identifier.urihttp://hdl.handle.net/10754/626555
dc.description.abstractTwo-dimensional (2D) materials are among the most promising candidates for next-generation electronics due to their atomic thinness, allowing for flexible transparent electronics and ultimate length scaling1. Thus far, atomically-thin p-n junctions2-7, metal-semiconductor contacts8-10, and metal-insulator barriers11-13 have been demonstrated. While 2D materials achieve the thinnest possible devices, precise nanoscale control over the lateral dimensions are also necessary. Although external one-dimensional (1D) carbon nanotubes14 can be used to locally gate 2D materials, this adds a non-trivial third dimension, complicating device integration and flexibility. Here, we report the direct synthesis of sub-nanometer 1D MoS2 channels embedded within WSe2 monolayers, using a dislocation-catalyzed approach. The 1D channels have edges free of misfit dislocations and dangling bonds, forming a coherent interface with the embedding 2D matrix. Periodic dislocation arrays produce 2D superlattices of coherent MoS2 1D channels in WSe2. Molecular dynamics (MD) simulations have identified other combinations of 2D materials that could form 1D channels. Density function theory (DFT) calculation predicts these 1D channels display type II band alignment needed for carrier confinement and charge separation to access the ultimate length scales necessary for future electronic applications.
dc.publisherarXiv
dc.relation.urlhttp://arxiv.org/abs/1707.09880v1
dc.relation.urlhttp://arxiv.org/pdf/1707.09880v1
dc.rightsArchived with thanks to arXiv
dc.titleSub-Nanometer Channels Embedded in Two-Dimensional Materials
dc.typePreprint
dc.contributor.departmentMaterial Science and Engineering Program
dc.contributor.departmentPhysical Science and Engineering (PSE) Division
dc.eprint.versionPre-print
dc.contributor.institutionSchool of Applied & Engineering Physics, Cornell University, Ithaca, NY, 14850, USA
dc.contributor.institutionResearch Center for Applied Sciences, Academia Sinica, Taipei, 10617, Taiwan
dc.contributor.institutionDepartment of Civil and Environmental Engineering, MIT, Cambridge, MA, 02139, USA
dc.contributor.institutionDepartment of Physics, Texas Tech University, Lubbock, TX, 79416, USA
dc.contributor.institutionKavli Institute at Cornell for Nanoscale Science, Cornell University, Ithaca, NY, 14850, USA
dc.identifier.arxivid1707.09880
kaust.personLi, Ming-yang
kaust.personLi, Lain-Jong
refterms.dateFOA2018-06-14T09:23:07Z


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