Diffuse phase transition in Ba5YTi3-xZrxNb7O30 ferroelectrics

Singh NK.; Choudhary RNP.; Panigrahi A.

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Diffuse phase transition in Ba5YTi3-xZrxNb7O30 ferroelectrics

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The polycrystalline samples of Ba5YTi3-xZrxNb7O30 (x = 0, 1, 2, 3) complex tungsten-bronze-type compounds were prepared by a high-temperature solid-state reaction technique. Room temperature preliminary X-ray diffraction (XRD) studies suggest the formation of single-phase compounds with an orthorhombic structure. Detailed studies of dielectric constant (epsilon) and tangent loss (tan delta) of the above compounds as a function of frequency (200 Hz-1 MHz) at room temperature, and also as a function of temperature (liquid nitrogen to 350 degreesC) at different frequencies (1, 10, 10, 100 kHz and I MHz) show that the above compounds have diffuse ferroelectric phase transition with relaxor properties. Transition temperature (T-c) of the materials decreases with increase in diffusivity (gamma) for higher concentration of Zr. Study of dc resistivity has been carried out from room temperature to 400 degreesC. (C) 2002 Elsevier Science B.V. All rights reserved. References: 19

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《Materials Chemistry and Physics》 |2002年第2期|113-120|共8页
作者
Singh NK.; Choudhary RNP.; Panigrahi A.;
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作者单位

Project Leader,Animal Health and Welfare,Cheshire County Council;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);
原文格式 PDF
正文语种英语
中图分类工程材料学;工程基础科学;
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机译：Two-phase (ferroelectric and antiferroelectric) nuclei and diffuse phase transition in the vicinity of the ferroelectric-antiferroelectric-paraelectric triple point
2. Critical exponents of the order parameter of diffuse ferroelectric phase transitions in the solid solutions based on lead germanate: studies of optical rotation [J] . Adamenko D. I., Vlokh R. O. condensed matter physics . 2022,第4期

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3. Diffuse Phase Transition and Dielectric Tunability of Ba_(0.97)La_(0.02)TiO_3 Relaxor Ferroelectric Ceramic [J] . Jebli Marwa, Albedah M. A., Dhahri J.Ben Henda M.Bouazizi Mohamed LamjedBelmabrouk Hafedh Journal of inorganic and organometallic polymers and materials . 2022,第4期

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4. Phase transitions in Er_(1-x)Lu_xFe_2O_4 [C] . J. Kim, J. S. Ahn, C. U. Jung Annual Conference on Magnetism and Magnetic Materials . 2009

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5. 應用於毫米波相位陣列系統之相移器設計 =Design of Phase Shifters for Millimeter Wave Phase Array System [D] . Hsiao, Hsuan. 2019

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6. Sacroiliac joint variation associated with diffuse idiopathic skeletal hyperostosis [O] . Yasuhito Yahara, Taketoshi Yasuda, Yoshiharu Kawaguchi, 2020

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7. ONE-SIDED POLARIZATION AND RENORMALIZATION FLOW IN THE KOSTERLITZ{THOULESS PHASE TRANSITION [O] . Raz Kupfermany, Alexandre, J. Choriny 2015

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8. High-resolution structural studies of ultra-thin magnetic, transition metal overlayers and two-dimensional transition metal oxides using synchrotron radiation [R] . Kellar, S. A. 1997

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Diffuse phase transition in Ba5YTi3-xZrxNb7O30 ferroelectrics

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