Dysprosium titanate

Dysprosium titanate
Names
	IUPAC name Dysprosium titanate
Identifiers
CAS Number	68993-46-4;
3D model (JSmol)	Interactive image;
	InChI InChI=1S/2Dy.7O.2Ti/q2+3;7-2;2*+4;
	SMILES [Dy+3].[Dy+3].[Ti+4].[Ti+4].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2];
Properties
Chemical formula	Dy2O7Ti2
Molar mass	532.727 g·mol−1
Density	6.8 g/cm3
Structure
Crystal structure	Pyrochlore
Space group	Fd3m, cF88, No. 227
Lattice constant	a = 1.0136 nm
Formula units (Z)	8
Related compounds
Other cations	Holmium titanate
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Dysprosium titanate (Dy₂Ti₂O₇) is an inorganic compound, a ceramic of the titanate family, with pyrochlore structure.

Dysprosium titanate, like holmium titanate and holmium stannate, is a spin ice material. In 2009, quasiparticles resembling magnetic monopoles were observed at low temperature and high magnetic field.^[2]^[3]

Dysprosium titanate (Dy₂Ti O₅) is used since 1995 as material for control rods of commercial nuclear reactor.^[4]

References

^ ^a ^b Dolgikh V.A., Lavat E.A. (1991). "Preparation of new oxide nitrides with the pyrochlore structure". Russ. J. Inorg. Chem. 36: 1389–1392.
^ "Magnetic Monopoles Detected In A Real Magnet For The First Time". Science Daily. 2009-09-04. Retrieved 2009-09-04.
^ Morris, D. J. P.; Tennant, D. A.; Grigera, S. A.; Klemke, B.; Castelnovo, C.; Moessner, R.; Czternasty, C.; Meissner, M.; Rule, K. C.; Hoffmann, J.-U.; Kiefer, K.; Gerischer, S.; Slobinsky, D.; Perry, R. S. (2009-09-03). "Dirac Strings and Magnetic Monopoles in Spin Ice Dy₂Ti₂O₇". Science. 326 (5951): 411–4. arXiv:1011.1174. Bibcode:2009Sci...326..411M. doi:10.1126/science.1178868. PMID 19729617. S2CID 206522398.
^ Risovany, V.D.; Varlashova, E.E.; Suslov, D.N. (2000). "Dysprosium titanate as an absorber material for control rods". Journal of Nuclear Materials. 281 (1): 84–89. Bibcode:2000JNuM..281...84R. doi:10.1016/S0022-3115(00)00129-X.

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