[1] King Saud Univ, Coll Sci, King Abdullah Inst Nanotechnol, Riyadh, Saudi Arabia
[2] King Saud Univ, CFY Deanship, Riyadh, Saudi Arabia
[3] King Saud Univ, Coll Sci, Dept Phys, Riyadh, Saudi Arabia
[4] Wenzhou Kean Univ, Dept Comp Sci, Wenzhou 325060, Zhejiang, Peoples R China