Yomery Espinal and colleagues in Army Research Lab investigated both direct and indirect methods to measure pyroelectric behavior in lead zirconate titanate thin films. Their findings were published in the Journal of Applied Physics.

Y. Espinal, S. P. Alpay, M. Howard, B. Hanrahan, ” Dielectric Properties and Resistive Switching Characteristics of Lead Zirconate Titanate/ Hafnia Heterostructures”, J. Appl. Phys. 124 (2018)