NEMS With Broken T Symmetry: Graphene Based Unidirectional Acoustic Transmission Lines

• DOI: 10.1038/srep09926
• Publication Date: 2015-05-20T15:29:17Z
• Authors: Mehdi B. Zanjani; Arthur R. Davoyan; Nader Engheta; Jennifer R. Lukes
• Keywords: Nanoelectromechanical systems; Modulation (music); SIGNAL (programming language); Isolator; Realization (probability)

Abstract In this work we discuss the idea of one-way acoustic signal isolation in low dimensional nanoelectromechanical oscillators. We report a theoretical study showing that conversion between in-phase and anti-phase vibrational modes double layer graphene nanoribbon is achieved by introducing spatio-temporal modulation system properties. The required length order to reach full two subsequently calculated. Generalization method beyond nanoribbons realization NEMS isolator are also discussed.