ABSTRACT
In this contribution we report on the synthesis and characterisation of ferroelectric three-dimensionally ordered macroporous (3-DOM) thin films for application as tunable and switchable photonic crystals. The films are formed on conducting substrates using a colloidal crystal templating technique, which allows controlled variation of pore size and lattice spacing. The structure and properties of the thin films produced by infiltration of colloidal crystal templates using a sol-gel precursor for the ferroelectric perovskite Pb(ZrxTi1-x)O3 (PZT) are reported.
ACKNOWLEDGMENTS
The authors would like to thank Professor R. Whatmore (Tyndall National Institute, Cork, Ireland) for his discussions and advice, Dr C. Kirk (Dept. Mineralogy, Natural History Museum, London) for her assistance with XRD measurements and Dr I. Khan for his assistance with TEM characterisation.