Editors

Dr. Elsayed Hafez

City for Scientific Research and Technology Applications,
New Borg El Arab City, 21934,
Alexandria, Egypt.

Dr. Hira Khalid

Department of Chemistry,
GC University,
Lahore, Pakistan.

Associate Editors

Dr. Samia Ahmed Abd El Kawy Gad

Department of Solid state physics,
National Research Center ,
Al-Tahrir Str., Cairo,
Egypt, Post Number 12612.