فهرس المقالات Shadowing effect حرية الوصول المقاله صفحة الملخص نص كامل 1 - Fabrication of graded helical square tower-like Mn sculptured thin films and investigation of their electrical properties: comparison with perturbation theory Mahsa Fakharpour Hadi Savaloni 10.1007/s40094-017-0242-3