%0 Journal Article %K Nanostructured materials %K Ferroelectric materials %K Lead compounds %K Scanning %K Barium titanate %K Nanoshell tubes %A Y Luo %A I Szafraniak %A N.D Zakharov %A V Nagarajan %A M Steinhart %A R.B Wehrspohn %A J.H Wendorff %A Ramamoorthy Ramesh %A M Alexe %B Applied Physics Letters %D 2003 %G eng %P 440-442 %R 10.1063/1.1592013 %T Nanoshell tubes of ferroelectric lead zirconate titanate and barium titanate %V 83