A low temperature route to prepare BaNb2O6

S. P. Gaikwad; Violet Samuel; Renu Pasricha; V. Ravi

doi:10.1016/j.matlet.2004.07.017

A low temperature route to prepare BaNb₂O₆

S. P. Gaikwad, Violet Samuel, Renu Pasricha, V. Ravi

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Abstract

A combination of digestion and further low temperature calcination to crystallize the product is employed to prepare BaNb₂O₆ ceramics. Freshly prepared niobium hydroxide gel is mixed with barium hydroxide thoroughly and allowed to react at 100°C under refluxing and stirring conditions for 6-12 h. The X-ray amorphous product so formed is heated at 500°C to form crystalline BaNb₂O₆. This is the lowest temperature so far reported for the formation of BaNb₂O₆. Transmission electron microscope (TEM) investigations revealed that the average particle size is 50 nm for the calcined powders. The room temperature dielectric constant at 1 kHz is found to be 600. The ferroelectric hysteresis loop parameters of these samples were also studied.

Original language	English (US)
Pages (from-to)	3700-3702
Number of pages	3
Journal	Materials Letters
Volume	58
Issue number	29
DOIs	https://doi.org/10.1016/j.matlet.2004.07.017
State	Published - Nov 2004

Keywords

Chemical synthesis
Ferroelectrics
Precipitation
Transmission electron microscopy
X-ray diffraction

ASJC Scopus subject areas

General Materials Science
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering

Access to Document

10.1016/j.matlet.2004.07.017

Cite this

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title = "A low temperature route to prepare BaNb2O6",

abstract = "A combination of digestion and further low temperature calcination to crystallize the product is employed to prepare BaNb2O6 ceramics. Freshly prepared niobium hydroxide gel is mixed with barium hydroxide thoroughly and allowed to react at 100°C under refluxing and stirring conditions for 6-12 h. The X-ray amorphous product so formed is heated at 500°C to form crystalline BaNb2O6. This is the lowest temperature so far reported for the formation of BaNb2O6. Transmission electron microscope (TEM) investigations revealed that the average particle size is 50 nm for the calcined powders. The room temperature dielectric constant at 1 kHz is found to be 600. The ferroelectric hysteresis loop parameters of these samples were also studied.",

keywords = "Chemical synthesis, Ferroelectrics, Precipitation, Transmission electron microscopy, X-ray diffraction",

author = "Gaikwad, {S. P.} and Violet Samuel and Renu Pasricha and V. Ravi",

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T1 - A low temperature route to prepare BaNb2O6

AU - Gaikwad, S. P.

AU - Samuel, Violet

AU - Pasricha, Renu

AU - Ravi, V.

PY - 2004/11

Y1 - 2004/11

N2 - A combination of digestion and further low temperature calcination to crystallize the product is employed to prepare BaNb2O6 ceramics. Freshly prepared niobium hydroxide gel is mixed with barium hydroxide thoroughly and allowed to react at 100°C under refluxing and stirring conditions for 6-12 h. The X-ray amorphous product so formed is heated at 500°C to form crystalline BaNb2O6. This is the lowest temperature so far reported for the formation of BaNb2O6. Transmission electron microscope (TEM) investigations revealed that the average particle size is 50 nm for the calcined powders. The room temperature dielectric constant at 1 kHz is found to be 600. The ferroelectric hysteresis loop parameters of these samples were also studied.

AB - A combination of digestion and further low temperature calcination to crystallize the product is employed to prepare BaNb2O6 ceramics. Freshly prepared niobium hydroxide gel is mixed with barium hydroxide thoroughly and allowed to react at 100°C under refluxing and stirring conditions for 6-12 h. The X-ray amorphous product so formed is heated at 500°C to form crystalline BaNb2O6. This is the lowest temperature so far reported for the formation of BaNb2O6. Transmission electron microscope (TEM) investigations revealed that the average particle size is 50 nm for the calcined powders. The room temperature dielectric constant at 1 kHz is found to be 600. The ferroelectric hysteresis loop parameters of these samples were also studied.

KW - Chemical synthesis

KW - Ferroelectrics

KW - Precipitation

KW - Transmission electron microscopy

KW - X-ray diffraction

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