Phan, H. 2019. STUDY OF TiO2 NANOPARTICLES’ STRUCTURE USING DENSITY FUNCTIONAL THEORY BASED TIGHT BINDING METHOD. TRA VINH UNIVERSITY JOURNAL OF SCIENCE. 7, 3 (Jun. 2019), 79-85. DOI:https://doi.org/10.35382/18594816.1.27.2017.132.