NGUYEN, Anh Tien; NGUYEN, Hoang Huy; NGUYEN, Thi Thu Trang; LE, Thi Viet Hoa; PHUNG, Viet Duc; NGUYEN, Thuy An; NGUYEN, Tuan Loi; NGUYEN, Thi Kim Chung. SYNTHESIS AND INVESTIGATION OF THE OPTICAL AND ELECTRICAL PROPERTIES OF COBALT-DOPED HOLMIUM ORTHOFERRITE NANOPARTICLES. Ho Chi Minh City University of Education Journal of Science, [S. l.], v. 22, n. 5, p. 790–800, 2025. DOI: 10.54607/hcmue.js.22.5.4808(2025). Disponível em: https://journal.hcmue.edu.vn/index.php/hcmuejos/article/view/4808. Acesso em: 10 feb. 2026.