1. Department of Physics, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
2. Department of Physics, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), P.O. Box 90950, Riyadh 11623, Saudi Arabia
3. Department of Nutrition and Food Technology, Faculty of Agriculture, Jordan University of Science and Technology, P.O. Box 3030, Irbid 22110, Jordan
4. Department of Physics, University of Nebraska at Omaha, Omaha, NE 68182, USA
5. Nanotechnology Center, The University of Jordan, Amman 11942, Jordan