1. Faculty of Education, Department of Mathematical and Natural Science Education, Cumhuriyet University, Sivas, Turkey
2. Faculty of Science, Department of Physics, Cumhuriyet University, Sivas, Turkey
3. Faculty of Science, Physics Department, Dokuz Eylul University, Izmir, Turkey
4. Facultad de Ciencias Exactas y Naturales, Grupo de Materia Condensada-UdeA, Instituto de Física, Universidad de Antioquia UdeA, Medellín, Colombia