First study on lattice potential energy determination from ultrasonic mean sound velocity for polycrystalline Ca1+xCu3-xTi4O12 perovskites and mono-crystalline counterparts Dolly J. Parekh, Drashti K. Thummar, Nirali S. Kanani, Nimish H. Vasoya, Kunal B. Modi*, 10.57647/j.jtap.2025.1902.19 XML Requires Subscription PDF downloads: 743