Majed Kubba R, Abaid Samawi K. Theoretical Study of Bonds length, Energetic and Vibration Frequencies for Construction Units of (6,0) ZigZag SWCNTs. Iraqi Journal of Science. 2023;57(3A):1821-1835. Accessed June 26, 2026. https://www.ijs.uobaghdad.edu.iq/index.php/eijs/article/view/9880