Tailoring of unipolar strain in lead-free piezoelectrics using the ceramic/ceramic composite approach (vol 115, 124108, 2014) - Khansur, Neamul Hayet; Groh, Claudia; Jo, Wook; Reinhard, Christina; Kimpton, Justin A.; Webber, Kyle G.; Daniels, John E. (Journal of Applied Physics, 2014)