Bismuth trititanate

Bismuth trititanate
IUPAC name	bismuth(III) oxide—titanium dioxide (2/3)
Identifiers
InChI	InChI=1/4Bi.12O.3Ti/q4*+3;12*-1;;;/r4Bi.3O4Ti/c;;;;3*1-5(2,3)4/q4*+3;3*-4
InChIKey	KVNMYNXIQDOFRJ-OPDSCCRPAT
Standard InChI	InChI=1S/4Bi.12O.3Ti/q4*+3;12*-1;;;
Standard InChIKey	KVNMYNXIQDOFRJ-UHFFFAOYSA-N
CAS number	[12010-77-4]
EC number	234-564-6
ChemSpider	10637934
Properties
Chemical formula	Bi4Ti3O12
Molar mass	1171.5 g mol−1
Appearance	white solid
Structure
Coordination geometry	Octahedral (Ti4+)
Hazards
EU index number	not listed
Related compounds
Other anions	Bismuth dititanate
Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)

Bismuth titanate, Bi₄Ti₃O₁₂ is a mixed oxide of bismuth and titanium. It is ferroelectric, with a transition temperature of 675 °C, and has attracted substantial interest for lead-free high-temperature piezoelectric devices.

Notes and references

Further reading

• Pookmanee, Pusit; Phanichphant, Sukon Characterization of lead-free bismuth titanate (Bi₄Ti₃O₁₂) synthesized by a modified oxalate co-precipitation method. J. Ceram. Process. Res. 2009, 10 (4), 448–52, <http://jcpr.kbs-lab.co.kr/english/journal/JCPR/vol10num4/448.pdf>.
• Galasso, F. S.; Kestigan, M. Bismuth Titanate, Bi₄Ti₃O₁₂. Inorg. Synth. 2007, 30, 121. DOI: 10.1002/9780470132616.ch24.