List of Articles Dielectric Function Open Access Article Abstract Page Full-Text 1 - An investigation of bulk module , Pressure transition and electronic properties of Calcium Carbonate using pseudopotential method Hamdollah salehi Amin Shanbedi Open Access Article Abstract Page Full-Text 2 - Investigation of optical properties of HgTe using density functional theory Hamdollah salehi Zinab Izadi Open Access Article Abstract Page Full-Text 3 - Polarizability and Hyperpolarizability of Schiff Base Salen-H2 as Judged as UV-vis Spectroscopy and Simulation Analysis Yasaman Abed Fatemeh Mostaghni Open Access Article Abstract Page Full-Text 4 - Electronic and Optical Properties of SnGe and SnC Nanoribbons: A First-Principles Study samira damizadeh Maryam Nayeri Forough Kalantari Fotooh somayeh fotoohi