Figure 1.
XRD patterns of bare MPs (
a
), Fe
3
O
4
/SiO
2
(
b
), MPQDs (
c
), and Mn:ZnS/ZnS QDs (
d
)
Xiao and Xiao
Nanoscale Research Letters
2009
4
:1078 doi:10.1007/s11671-009-9356-0