Practical Electron Microscopy and Database

An Online Book, Second Edition by Dr. Yougui Liao (2006)

Practical Electron Microscopy and Database - An Online Book

Chapter/Index: Introduction | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Appendix

Coercive Field in Ferroelectrics

Coercive field EC in ferroelectrics is the reverse electric field necessary to bring the polarization to zero. Figure 1803 shows a typical hysteresis loop of ferroelectrics.

typical dielectric hysteresis loop

Figure 1803. A typical dielectric hysteresis loop (Ec: coercive field; Ps: spontaneous polarization; and Pr: remanent polarization).