Dislocation and node states in bilayer graphene systems

التفاصيل البيبلوغرافية
العنوان: Dislocation and node states in bilayer graphene systems
المؤلفون: Weckbecker, D., Gupta, R., Rost, F., Sharma, S., Shallcross, S.
المصدر: Phys. Rev. B 99, 195405 (2019)
سنة النشر: 2018
المجموعة: Condensed Matter
مصطلحات موضوعية: Condensed Matter - Mesoscale and Nanoscale Physics
الوصف: We investigate the electronic structure of realistic partial dislocation networks in bilayer graphene that feature annihilating, wandering, and intersecting partial lines. We find charge accumulation states at partials that are sensitive to Fermi energy and partial Burgers vector but not to the screw versus edge character of the partial. These states are shown to be current carrying, with the current density executing a spiral motion along the dislocation line with a strong interlayer component to the current. Close to the Dirac point localization on partials switches to localization on intersections of partials, with a corresponding complex current flow around the nodes.
نوع الوثيقة: Working Paper
DOI: 10.1103/PhysRevB.99.195405
URL الوصول: http://arxiv.org/abs/1812.03343
رقم الأكسشن: edsarx.1812.03343
قاعدة البيانات: arXiv
الوصف
DOI:10.1103/PhysRevB.99.195405