Abstract
In this work we present longitudinal field
μ
SR
results in the molecular magnetic Co–Fe Prussian Blue analogue
Rb
1
-
2
x
Co
1
+
x
[
Fe
(
CN
)
6
]
·
z
H
2
O
, with
x
≈
0.17
which exhibits light induced magnetic ordering. We were unable to observe the effect of light with
μ
SR
, but in the reportedly paramagnetic unilluminated state, we find evidence for glassy magnetic freezing.