Effect of rare earth doping on the morphological dielectric,piezoelectric and ferroelectric characteristics of ZnO nano-/micro arhitectrues synthesized by wet chemical route Sahil Goel - Goel Sahil Au.; University of Delhi. Faculty of Science. Department of Physics and Astrophysics; Binay Kumar Gu.; University of Delhi. Faculty of Science. Department of Physics and Astrophysics (2019)