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Effects of Sodium and Chlorine Doping on Optical Properties of Germanene: Density Functional Theory Calculation

Mauludi Ariesto Pamungkas, Istiroyah, Muhammad Fikri Salim, Dina Nurul Afifah
2018 IOP Conference Series: Materials Science and Engineering  
Germanene is a two-dimensional material which is derived from germanium elements and arranged in a honeycomb-like hexagonal. This study aims to determine the optical properties of pristine germanene and effect of doping Sodium (Na) and Chlorine (Cl) atom on germanene. These elements are chosen owing to their ability to create strong bonds with germanene and easily available in nature. This research uses Density Functional Theory approach to measure the effects of sodium and chlorine doping on
more » ... hlorine doping on germanene's optical properties. The results showed that pristine germanene had higher optical and energy than the doped with sodium and chlorine. Cl-doped germanene had similar graphical shape with pristine germanene
doi:10.1088/1757-899x/299/1/012045 fatcat:dkyoa42udzhffnivfd7amq5oty