Bhabha Atomic Research Centre 1 article published in JoVE Chemistry Molten-Salt Synthesis of Complex Metal Oxide Nanoparticles Jose P. Zuniga1, Maya Abdou1, Santosh K. Gupta1,2, Yuanbing Mao1,3 1Department of Chemistry, University of Texas Rio Grande Valley, 2Radiochemistry Division, Bhabha Atomic Research Centre, 3School of Earth, Environmental, and Marine Sciences, University of Texas Rio Grande Valley Here, we demonstrate a unique, relatively low-temperature, molten-salt synthesis method for preparing uniform complex metal oxide lanthanum hafnate nanoparticles.