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

Antiferroelectrics & Antiferroelectric Materials

Figure 2383 shows the polarization and piezoelectric displacement measurements of MIM (metal-insulator-metal) capacitor samples with ferroelectric and antiferroelectric Si-doped HfO2 insulators.

polarization and piezoelectric displacement measurements of MIM (metal-insulator-metal) capacitor samples with ferroelectric and antiferroelectric Si-doped HfO2 insulators

Figure 2383. Polarization (top row) and piezoelectric displacement (bottom row) measurements of MIM (metal-insulator-metal) capacitor samples with ferroelectric (left column) and antiferroelectric (right column) Si-doped HfO2 insulators. [1]

Table 2383. Examples of antiferroelectric materials and their properties.

Materials

PbZrO3
(Lead zirconate)

NaNbO3
(Sodium niobate)

NH4H2PO4
Curie temperature
(Tc, °C)
+233 +63 -125

 

[1] TS Böscke, J Müller, D Bräuhaus, U Schröder, U Böttger, Ferroelectricity in hafnium oxide thin films, Applied Physics Letters, 99, 102903-102903-3, 2011.