1. Leibniz‐Institut fürAnalytische Wissenschaften‐ISAS‐e.V Dortmund Germany
2. Department of Physics, Faculty of Science University of M'sila M'sila Algeria
3. Laboratory of Physics and Chemistry of Materials University of M'sila M'sila Algeria
4. Department of Physical Sciences Jordan University of Science & Technology Irbid Jordan
5. Department of Physics University of Nebraska at Omaha Omaha Nebraska USA