1. A. Roy, R. Gupta, A. Garg, Adv. Condens. Matter Phys. 2012(926290), 12 (2012)
2. M.M. Vopson, Crit. Rev. Solid State Mater. Sci. 40, 223–250 (2015)
3. M. Fiebig, T. Lottermoser, D. Meier, M. Trassin, Nat. Rev. Mater. 1, 16046 (2016)
4. M. Bichurin, V. Petrov, S. Priya, A. Bhalla, Adv. Condens. Matter Phys. 2012(129794), 12 (2012)
5. N. Panda, S. Pattanayak, R.N.P. Choudhary, J. Mater. Sci. 26(6), 4069–4077 (2015)