About the Authors

Seçkin D. Günay

sgunay@yildiz.edu.tr

Affiliation Yıldız Technical University, Department of Physics, Faculty of Science, Esenler, Istanbul, Turkey

Competing Interests

The author has declared that no competing interests exist.

Author Contributions

Conceived and designed the experiments: SDG. Performed the experiments: SDG. Analyzed the data: SDG. Contributed reagents/materials/analysis tools: SDG. Wrote the paper: SDG.