List of Articles رامین یوسفی Article 1 - Comparative study of Photoluminescence Properties of Various Lead Sulfide Morphologies Mohsen Cheraghizade Ramin Yousefi Farid Jamali-Sheini Abdolhossein Sa'aedi Majlesi Journal of Telecommunication Devices , Issue 3 , Year , Summer 2012 Article 2 - Comparative study of Raman Properties of Various Lead Sulfide Morphologies Mohsen Cheraghizade Ramin Yousefi Farid Jamali-Sheini Majlesi Journal of Telecommunication Devices , Issue 5 , Year , Winter 2013