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  • Hydrothermal synthesis of tetragonal BaTiO3 nanotube arrays with high dielectric performance.

Hydrothermal synthesis of tetragonal BaTiO3 nanotube arrays with high dielectric performance.

Journal of nanoscience and nanotechnology (2014-04-18)
Liming Wang, Xiangyun Deng, Jianbao Li, Xinxing Liao, Guoqing Zhang, Chunpeng Wang, Kuifan Su
ABSTRACT

Tetragonal Barium titanate (BaTiO3) nanotube arrays have been prepared using the template-assisted hydrothermal method combined with an annealing process. The in-situ chemical conversion of TiO2 nanotube array templates ensured that BaTiO3 maintained the morphology of the nanotube architectures. Moreover, X-ray diffraction and Raman spectrum characterization were used to confirm that the BaTiO3 nanotube arrays had a tetragonal phase after the use of a simple annealing technique. Typical hysteresis loops showed their ferroelectricity, with the remanent polarization and coercive fields being 2.57 microC/cm2 and 2.52 kV/cm, respectively. The relative dielectric constant of the tetragonal BaTiO3 nanotube arrays reached up to 1000 and the dielectric loss was as low as 0.02 at 1 kHz at room temperature.

MATERIALS
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Product Description

Titanium, tube, 200mm, outside diameter 3.0mm, inside diameter 1.5mm, wall thickness 0.75mm, annealed, 99.6+%
Titanium, tube, 1000mm, outside diameter 10.3mm, inside diameter 8.7mm, wall thickness 0.8mm, annealed, 99.6+%
Titanium, rod, 200mm, diameter 6mm, annealed, 99.6+%
Titanium, tube, 200mm, outside diameter 0.81mm, inside diameter 0.61mm, wall thickness 0.1mm, as drawn, 99.6+%
Titanium, rod, 500mm, diameter 16mm, annealed, 99.6+%
Titanium, rod, 50mm, diameter 16mm, as drawn, 99.99+%
Titanium, tube, 200mm, outside diameter 6.1mm, inside diameter 5.1mm, wall thickness 0.5mm, annealed, 99.6+%
Titanium, wire reel, 50m, diameter 0.05mm, hard, 99.8%
Titanium, wire reel, 20m, diameter 0.75mm, as drawn, 99.6+%
Titanium, wire reel, 25m, diameter 0.5mm, as drawn, 99.6+%
Titanium, wire reel, 200m, diameter 0.5mm, as drawn, 99.6+%
Titanium, wire reel, 1m, diameter 1.0mm, annealed, 99.6+%
Titanium, tube, 500mm, outside diameter 10mm, inside diameter 8mm, wall thickness 1.0mm, annealed, 99.6+%
Titanium, wire reel, 10m, diameter 0.05mm, hard, 99.8%
Titanium, tube, 500mm, outside diameter 12.7mm, inside diameter 10.9mm, wall thickness 0.9mm, annealed, 99.6+%
Titanium, wire reel, 500m, diameter 0.25mm, annealed, 99.6+%
Titanium, wire reel, 1m, diameter 1.0mm, as drawn, 99.99+%
Titanium, wire reel, 500m, diameter 0.25mm, as drawn, 99.6+%
Titanium, wire reel, 0.5m, diameter 0.5mm, as drawn, 99.99+%
Titanium, wire reel, 100m, diameter 1.0mm, as drawn, 99.6+%
Titanium, tube, 500mm, outside diameter 4.25mm, inside diameter 3.75mm, wall thickness 0.25mm, annealed, 99.6+%
Titanium, wire reel, 0.5m, diameter 1.0mm, as drawn, 99.99+%
Titanium, tube, 500mm, outside diameter 1.05mm, inside diameter 0.75mm, wall thickness 0.15mm, annealed, 99.6+%
Titanium, wire reel, 100m, diameter 0.5mm, as drawn, 99.6+%
Titanium, tube, 500mm, outside diameter 6.1mm, inside diameter 5.1mm, wall thickness 0.5mm, annealed, 99.6+%
Titanium, wire reel, 1m, diameter 0.25mm, annealed, 99.6+%
Titanium, wire reel, 100m, diameter 0.125mm, annealed, 99.6+%
Titanium, tube, 500mm, outside diameter 1.6mm, inside diameter 1.2mm, wall thickness 0.2mm, hard, 99.6+%
Titanium, wire reel, 10m, diameter 0.75mm, as drawn, 99.6+%
Titanium, wire reel, 2m, diameter 0.5mm, as drawn, 99.99+%