Energy band correction due to one dimension tension in phosphorene

Subject Areas : Journal of Optoelectronical Nanostructures

Ali Izadparast ¹ , Peyman Sahebsara ²

1 - Department of Physics, Isfahan University of Technology. Isfahan, Iran
2 - Department of Physics, Isfahan University of Technology. Isfahan, Iran

Received: 2016-11-23 Accepted : 2017-06-10 Published : 2017-01-01

Keywords: phosphorene, Band Structure, electron conductivity, tension, energy band gap,

Abstract :

Among graphene-like family, phosphorene is a typical semiconducting layered material, which can also be a superconductor in low temperature. Applying pressure or tension on phosphorene lattice results in changing the hopping terms, which change the energy bands of the material. In this research we use the tight-binding Hamiltonian, including relevant hopping terms, to calculate energy bands of normal and under tension phosphorene. Our results show that the energy gap decreases by decreasing / from 3 to 2, and finally the gap disappears.

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