Lithium metatitanate

Crystal structure
__ Li +      __ Ti 4+      __ O 2−
Crystal system	monoclinic
Space group	C 2 / c (No. 15)
Lattice parameters	a  = 5.041  Å , b  = 8.806 Å, c  = 9.726 Å, β  = 100.0 °
General
Surname	Lithium metatitanate
other names	Lithium titanate Dilithium titanium oxide Dilitiium titanium (IV) oxide
Ratio formula	Li 2 TiO 3
Brief description	White dust
External identifiers / databases
CAS number 12031-82-2 EC number 234-759-6 ECHA InfoCard 100,031,586 PubChem 160968 Wikidata Q3991823
properties
Molar mass	109.75 g mol −1
Physical state	firmly
density	3.43 g / cm 3
Melting point	1520-1564 ° C
safety instructions
GHS labeling of hazardous substances no GHS pictograms H and P phrases H: no H-phrases P: no P-phrases
As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions .

Lithium metatitanate (Li ₂ TiO ₃ ) is a mixed oxide of lithium and titanium from the group of titanates and crystallizes in the monoclinic crystal system in the space group C 2 / c (space group no.15 ) with the lattice parameters a = 5.041 Å , b = 8.806 Å , c = 9.726 Å and β = 100.0 °. The crystal structure consists of layers of edge-sharing of TiO ₆ - octahedron , wherein lithium ions are intercalated both within the layers and between the two layers. In the commercial form and at room temperature it is available as a white powder.

Lithium metatitanate is used as an additive in porcelain production and in enamel . Because of its chemical stability, it is also used as a flux for molten metal. A conceivable future field of application of lithium metatitanate is its use in nuclear fusion reactors , which breed the tritium used for fusion from lithium. Due to its high stability, lithium metatitanate is a candidate for breeding material here - alongside lithium orthosilicate.

Individual evidence

1. ↑ ^{a b c d} LITHIUM TITANATE (12031-82-2) Basic Information. Retrieved May 20, 2014 .  
2. ^ J. van der Laan, R. Muis: Properties of lithium metatitanate pebbles produced by a wet process. In: Journal of Nuclear Materials , pp. 271-272, 401-404; 1999
3. ↑ ^{a b} data sheet lithium titanate, −325 mesh from Sigma-Aldrich , accessed on May 21, 2014 ( PDF ).
4. ^ JF Dorrian, RE Newnham: Refinement of the structure of Li ₂ TiO ₃ . In: Materials Research Bulletin , 4, 3, 1969, pp. 179-183, doi: 10.1016 / 0025-5408 (69) 90054-3 .
5. ↑ Lithium Titanate (Product Code: LI2TI03) . Thermograde. Archived from the original on May 21, 2014. Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. Retrieved May 20, 2014.  
6. ↑ Ceramic Tritium Breeding Materials. (No longer available online.) Karlsruhe Institute of Technology KIT, archived from the original on February 19, 2014 ; accessed on June 14, 2014 . Info: The archive link was inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice.