Large polarization gradients and temperature-stable responses in compositionally-graded ferroelectrics oleh Anoop R. Damodaran, Shishir Pandya, Yubo Qi, Shang-Lin Hsu, Shi Liu, Christopher Nelson, Arvind Dasgupta, Peter Ercius, Colin Ophus, Liv R. Dedon, Josh C. Agar, Hongling Lu, Jialan Zhang, Andrew M. Minor, Andrew M. Rappe, Lane W. Martin