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TMT4245_2016_xtl_structures Flashcards | StudBud
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TMT4245_2016_xtl_structures
Which crystal structure is this?
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TMT4245_2016_xtl_structures
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1
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2
Which crystal structure is this?
NiAs
Wurtzite
Diamond
Zinc blende
3
An octahedral void is ___% larger than a tetrahedral void?
84
20
144
0
4
BiMnO
3
- Jahn-Teller effect and/or lone pair?
Both
Jahn-Teller
Lone pair
None
5
LaFeO
3
- Jahn-Teller effect and/or lone pair?
Lone pair
Both
None
Jahn-Teller
6
Quasicrystals are unique because they:
have long range fivefold symmetry.
have long range and short range fivefold symmetry.
they have local fivefold symmetry.
- nah, trick question.
7
The crystal field splitting in T is ____% of the crystal field splitting in O?
67
125
15
40
8
LaMnO
3
- Jahn-Teller effect and/or lone pair?
None
Lone pair
Both
Jahn-Teller
9
BiFeO
3
- Jahn-Teller effect and/or lone pair?
Jahn-Teller
None
Both
Lone pair
10
Which statement is incorrect?
Symmetry increases with disorder.
Symmetry increases with increasing order.
Symmetry elements are mathematical operations.
Symmetry increases with temperature.
11
In a close packed lattice of spheres there are:
1 O and 1 T per sphere.
1 O and 2 T per sphere.
2 O and 2 T per sphere.
2 O and 1 T per sphere.
