One‐pot instant flame synthesis of strontium‐doped lanthanum nickelate perovskite for energy conversion and storage. - Singh, Laxman; Patel, Vineet Kumar; Mukherjee, Ayan; Singh, Varsha; Kumar, Anup; Rai, Abhishek; Ganesan, Vellaichamy; Srivastava, Anshuman; Pillai, Parwathi; Kumar, Rajeev; Rai, R. N.; Lee, Youngil (Journal of the American Ceramic Society, 2025)