About the Authors

Chris G. Antonopoulos

chris.antonopoulos@abdn.ac.uk

Affiliation Department of Physics (ICSMB), University of Aberdeen, Aberdeen, United Kingdom

Shambhavi Srivastava

Affiliation Department of Physics (ICSMB), University of Aberdeen, Aberdeen, United Kingdom

Sandro E. de S. Pinto

Affiliation Departamento de Física, Universidade Estadual de Ponta Grossa, Paraná, Brazil

Murilo S. Baptista

Affiliation Department of Physics (ICSMB), University of Aberdeen, Aberdeen, United Kingdom

Competing Interests

The authors have declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: CGA MSB. Performed the experiments: CGA. Analyzed the data: CGA SS MSB. Contributed reagents/materials/analysis tools: CGA SS SEdSP MSB. Wrote the paper: CGA SS MSB.