Figure 8:
Phase diagram showing the domain of stability of crystalline
N
O
2
+
N
O
3
−
on decompression of a mixture of
N
O
2
+
N
O
3
−
and
N
O
+
N
O
3
−
. A textured area indicates the eventual extension of the region of (meta)stability of
N
O
+
N
O
3
−
solid to low pressures.