Chemistry Reference
In-Depth Information
Structure-type
Filled Blendes
Filled fluorites
Filled Wurtzites
Alloys
Fluorite
(CaF
2
)
Li
2
S, Na
2
S
Na
2
Se,Ag
2
S
CsLi(CrO
4
),CsLi(MoO
4
)
LiNaSO
4
HT-Li
2
SO
4
(Fluorite)
Ca
2
GeO
4
, CaSiO4
2
KLiSO
4
, KLiBeF
4
¯
Ni
2
Al
Na
2
SO
3
,K2SO
3
,
HT-Cs
2
(SO
4
)
Na
2
SeO
3
?
Fe
2
P
BaCl
2
LiCaPO
4
, LiNaSO
4
¯
Cotunnite
PbCl
2
Li
2
S, Na
2
S,
Rb
2
S, Ag
2
S,
BaCl
2
CsLiCrO
4
, KLiSO
4
Cs
2
SO
4
, K
2
SO
4
Na
2
SO
4
, Ag
2
SO
3
Ca
2
SiO
4
¯
HP-Li
2
SO
4
, HT-Na
2
SO
4
HT-K
2
SO
4
, KLiSO
4
HP-CsLiCrO
4
olivines
HT-Na
2
MoO
4
HT-Ca
2
GeO
4
,
Mn
2
GeO
4
HT-Ca
2
SiO
4
,
Na
2
S, K
2
S
Rb
2
S
Ni
2
In
¯
TiSi
2
Na
2
SO
4
HT-Na
2
MoO
4
Na
2
SeO
4
Rb
2
S ?
¯
Laves phases
FeMoGe
VCoSi
Ge
0.45
MnNi
1.55
Ψ-Mn
2
Ge
spinels
Na
2
MoO
4
HP-Mn
2
GeO4
MgCu
2
¯
Sr
2
PbO
4
SrPb +Sr
(CuAu +Sr)
CaPb is
CuAu-type
Ca
2
SnO
4
HP-Mn
2
GeO
4
¯
Ba
2
SnO
4
HP-Ca
2
GeO
4
MoSi
2
¯
¯
at HP
Decomposition
(see Table 4)
Scheme 1 This scheme contains all the phase transitions undergone by the
AB
2
alloys and the
related oxides
AB
2
O
4
at high temperatures or pressure. Partial transitions overlap producing
