T. Usman, K. Liaqat, S. Khan, M. Yar Khan, and S. Ali Khan, “Tailoring structural, electronic, optical, and magnetic properties of rare-earth gallates RGaO3 (R = Ho, Er, Tm) via first-principles investigations”, Condens. Matter Phys., vol. 29, no. 3, p. 33702, Sep. 2026, doi: 10.5488/CMP.29.33702.