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Journal of the Korea Institute of Military Science and Technology 2005;8(4):85-90.
Sol-Gel Template Synthesis and Phase Transitions of $PbZrO_3$ Nanotubes
Ki-Seog Chang, Sang-Don Bu
1Korea Air Force Academy
2Chonbuk National University
$PbZrO_3$ 나노튜브의 졸-겔 형판 합성과 상전이
장기석, 부상돈
1공군사관학교
2전북대학교
Abstract
We report the phase transition temperatures of the $PbZrO_3$ perovskite nanotubes made by sol-gel template synthesis. The lead zirconate($PbZrO{_3}$) nanotubes were prepared with a chelate sol-gel of zirconium tetrabutoxide($Zr(OBu){_4}$) and leadacetate($Pb(OAc){_2}-3H_2O$). $Whatman^(r)$ anodisc membranes, with a 200nm pore size, served as the template. After removing the template in the 6M-NaOH solution, the $PbZrO{_3}$ nanotubes so far have shown an anomalous transition temperature, $123.6^{circ}C$ as measured by DSC with a small particle size, 15.4nm determined by X-ray analysis with the aid of Scherrer's equation.
Key Words: sol-gel template synthesis, lead zirconate($PbZrO{_3}$) nanotubes
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