From Wikipedia, the free encyclopedia
Dysprosium titanate
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Names
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IUPAC name
Dysprosium titanate
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Identifiers
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|
|
|
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InChI=1S/2Dy.7O.2Ti/q2*+3;7*-2;2*+4
|
[Dy+3].[Dy+3].[Ti+4].[Ti+4].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2]
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Properties
|
|
Dy
2
O
7
Ti
2
|
Molar mass
|
532.727
g·mol
?1
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Density
|
6.8 g/cm
3
[1]
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Structure
[1]
|
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Pyrochlore
|
|
Fd
3
m,
cF88
, No. 227
|
|
a
= 1.0136 nm
|
|
8
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Related compounds
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Holmium titanate
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Except where otherwise noted, data are given for materials in their
standard state
(at 25 °C [77 °F], 100 kPa).
|
Chemical compound
Dysprosium titanate
(
Dy
2
Ti
2
O
7
) 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 (
Dy
2
Ti
O
5
) is used since 1995 as material for
control rods
of commercial
nuclear reactor
.
[4]
References
[
edit
]
- ^
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 Dy
2
Ti
2
O
7
".
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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Titanium(II)
| Organotitanium(II) compounds
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Titanium(III)
| Organotitanium(III) compounds
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Titanium(IV)
| Titanate compounds
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Organotitanium(IV) compounds
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