About the Authors
- K. G. Saw
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* E-mail: kgsaw@usm.my
Affiliations Physics Programme, School of Distance Education, Universiti Sains Malaysia, 11800, Penang, Malaysia, Institute of Nano-optoelectronics Research and Technology, Sains@USM, 11900, Penang, Malaysia
- N. M. Aznan
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Affiliation Physics Programme, School of Distance Education, Universiti Sains Malaysia, 11800, Penang, Malaysia
- F. K. Yam
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Affiliation School of Physics, Universiti Sains Malaysia, 11800, Penang, Malaysia
- S. S. Ng
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Affiliation Institute of Nano-optoelectronics Research and Technology, Sains@USM, 11900, Penang, Malaysia
- S. Y. Pung
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Affiliation School of Materials and Mineral Resources Eng., Universiti Sains Malaysia, 14300, Nibong, Tebal, Malaysia
Competing Interests
The authors have declared that no competing interests exist.
Author Contributions
Conceived and designed the experiments: KGS. Performed the experiments: KGS NMA. Analyzed the data: KGS NMA. Contributed reagents/materials/analysis tools: KGS SSN FKY SYP. Wrote the paper: KGS.