High performance Y4Al2O9:Eu3+ phosphors: Optical, thermal, and functional applications in w-LEDs, anti-counterfeiting and advanced forensics

R. Arunakumar, M. Gagana, B.R. Radha Krushna, I.S. Pruthviraj, G. Ramakrishna, S.C. Sharma, Subhobroto Choudhury, E. Shanma, Burnice Nalina Kumari, K. Manjunatha, Sheng Yun Wu, Basanta Kumar Das, H. Nagabhushana