Improved multiferroic and magnetodielectric properties in Ni and Fe co-doped barium strontium titanate ceramics. - Khan, Arbaz Reyaz; Goel, Rahul; Gupta, Aayush; Tripathi, Harshit; Kumar, Naveen; Bhardwaj, Sumit; Kumar, Sanjeev; Kumar, Gagan; Sharma, Pankaj (Journal of Materials Science: Materials in Electronics, 2024)