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Condensed Matter > Materials Science

Title: How does the electric current propagate through the fully-hydrogenated borophene?

Abstract: We study the electronic transport properties of two-dimensional (2D) fully-hydrogenated borophene (namely, borophane), using the density functional theory and non-equilibrium Green's function approaches. Borophane shows a perfect electrical transport anisotropy and is promising for applications. Along the peak- or equivalently the valley-parallel direction, the 2D borophane exhibits a metallic characteristic and its current-voltage (I-V) curve shows a linear behavior, corresponding to the ON state in borophane-based nano-switch. In this case, electrons mainly propagate via the B-B bonds along the linear boron chains. In contrast, the electron transmission is almost forbidden along the perpendicular buckled direction (i.e., the OFF state), due to its semi-conductor property. Our work demonstrates that 2D borophane could combine the metal and semiconductor features and can be a promising candidate of nano-switching materials with stable structure and high ON/OFF ratio.
Subjects: Materials Science (cond-mat.mtrl-sci); Mesoscale and Nanoscale Physics (cond-mat.mes-hall); Applied Physics (physics.app-ph); Atomic Physics (physics.atom-ph); Computational Physics (physics.comp-ph)
Journal reference: Phys.Chem.Chem.Phys.,2018, 20, 21552
DOI: 10.1039/C8CP04272A
Cite as: arXiv:1810.01532 [cond-mat.mtrl-sci]
  (or arXiv:1810.01532v1 [cond-mat.mtrl-sci] for this version)

Submission history

From: Yipeng An [view email]
[v1] Tue, 2 Oct 2018 21:53:36 GMT (448kb)

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