First principles study of tunable band gap in bi layer Graphene (BLG)

Vagdevi, K.; Devi, V. Radhika; Rao, K. Venkateswara

doi:10.1016/j.matpr.2017.07.091

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“…It is abundantly clear that the intercalation of atoms and clusters in 2D layered systems can produce functional systems, but it requires a great deal of effort and time to design such complex materials as the interlayer distance is in nano-meter (nm) range and it is nearly impossible to induce hetero-atoms and clusters between these layers. [21,30,31] However, the adsorption or doping of impurities in few-layered systems is a viable technique to be adopted experimentally for complex layered systems. [21,32] Like single layer h-BN, the BL/h-BN is also a wide band insulator, has a nonmagnetic nature and absorbs 2% of light in visible range.…”

Section: Introductionmentioning

confidence: 99%

Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO₃ clusters incorporation: Ab-initio study*

et al. 2019

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The band structure, magnetism, charge distribution, and optics parameters of TMO3–h-BN hybrid systems are investigated by adopting first-principles study (FPS) calculations. It is observed that the TMO3 clusters add finite magnetic moments to bilayer h-BN (BL/h-BN), thereby making it a magnetic two-dimensional (2D) material. Spin-polarized band structures for various TMO3–BL/h-BN hybrid models are calculated. After the incorporation of TMO3, BL/h-BN is converted into semimetal or conducting material in spin up/down bands, depending on the type of impurity cluster present in BL/h-BN lattice. Optics parameters are also investigated for the TMO3–BL/h-BN complex systems. The incorporation of TMO3 clusters modifies the absorption and extinction coefficient in visible range, while static reflectivity and refraction parameter increase. It can be surmised that the TMO3 substitution in BL/h-BN is a suitable technique to modify its physical parameters thus making it functional for nano/opto-electronic applications, and an experimental approach can be adapted to reinforce the outcomes of this study.

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Section: Introductionmentioning

confidence: 99%

Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO₃ clusters incorporation: Ab-initio study*

et al. 2019

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First principles study of tunable band gap in bi layer Graphene (BLG)

Cited by 1 publication

References 12 publications

Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO₃ clusters incorporation: Ab-initio study*

Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO₃ clusters incorporation: Ab-initio study*

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First principles study of tunable band gap in bi layer Graphene (BLG)

Cited by 1 publication

References 12 publications

Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO3 clusters incorporation: Ab-initio study*

Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO3 clusters incorporation: Ab-initio study*

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Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO₃ clusters incorporation: Ab-initio study*

Inducing opto-electronic and spintronic trends in bilayer h-BN through TMO₃ clusters incorporation: Ab-initio study*