Microwave Dielectric Properties of Dy2O3 Substituted BiNbO4 Ceramics

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概要

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• The microwave dielectric properties of Bi1-xDyxNbO4 ceramics were investigated as a function of Dy3+ substitution ($0\leq x\leq 0.1$). Bi1-xDyxNbO4 compositions prepared at low temperatures (900–960 °C). A single orthorhombic ($\alpha$-BiNbO4) phase in all Bi1-xDyxNbO4 compositions was obtained for the whole sintering temperature range. The decrease in the dielectric constant of the Bi1-xDyxNbO4 ceramics with increasing Dy content is attributed to the decrease in polarizability as Dy is substituted to the Bi site. The decrease in the temperature coefficient of the resonant frequency is due to the distortion of the oxygen octahedra.

• Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
• 2006-07-15

著者

• Lim Hyuk

  Materials Science And Technology Division Kist

• Lim Hyuk

  Materials Science and Technology Division, KIST, Seoul 136-791, Korea

• Oh Young-Jei

  Materials Science and Technology Division, KIST, Seoul 136-791, Korea

関連論文

• Microwave Dielectric Properties of Dy2O3 Substituted BiNbO4 Ceramics

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