Ferroelastic and strain glass transition in (1-x)(Bi0.5Na0.5)TiO3-xBaTiO3 solid solution Yonggang Yao, Yaodong Yang, Shuai Ren, Chao Zhou, Linglong Li and Xiaobing Ren EPL, 100 1 (2012) 17004 Published online: 17 October 2012 DOI: 10.1209/0295-5075/100/17004