Preparation and dielectric properties of Ba5XMgNb 9O30 (X = Nd, Y) ceramics

Gaoke Zhang; Shixi Ouyang; Jiping Cheng; Amar S. Bhalla; Ruyan Guo

doi:10.1080/07315171003800699

Preparation and dielectric properties of Ba₅XMgNb ₉O₃₀ (X = Nd, Y) ceramics

Gaoke Zhang, Shixi Ouyang, Jiping Cheng, Amar S. Bhalla, Ruyan Guo

Materials Research Institute (MRI)

Research output: Contribution to journal › Article › peer-review

Abstract

Two compounds Ba₅NdMgNb₉O₃₀ and Ba ₅YMgNb₉O₃₀ were synthesized by solid-state reaction method. The results of scanning electron microscopy and X-ray diffraction analysis indicated that the compounds form A-site filled tetragonal tungsten bronze structure. Dielectric studies show that the dense ceramics of the above compounds have dielectric constant of 227 and 213 with dielectric loss 5.77 × 10^-3 and 10.88 × 10^-3 at 1 MHz. The ferroelectric phase transitions of the diffuse-type were observed in experimental measurements. The diffusivity functions calculated are 1.58 and 1.62 for Ba₅NdMgNb₉O₃₀ and Ba ₅YMgNb₉O₃₀, respectively.

Original language	English (US)
Pages (from-to)	35-42
Number of pages	8
Journal	Ferroelectrics, Letters Section
Volume	37
Issue number	2
DOIs	https://doi.org/10.1080/07315171003800699
State	Published - Mar 2010

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1080/07315171003800699

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title = "Preparation and dielectric properties of Ba5XMgNb 9O30 (X = Nd, Y) ceramics",

abstract = "Two compounds Ba5NdMgNb9O30 and Ba 5YMgNb9O30 were synthesized by solid-state reaction method. The results of scanning electron microscopy and X-ray diffraction analysis indicated that the compounds form A-site filled tetragonal tungsten bronze structure. Dielectric studies show that the dense ceramics of the above compounds have dielectric constant of 227 and 213 with dielectric loss 5.77 × 10-3 and 10.88 × 10-3 at 1 MHz. The ferroelectric phase transitions of the diffuse-type were observed in experimental measurements. The diffusivity functions calculated are 1.58 and 1.62 for Ba5NdMgNb9O30 and Ba 5YMgNb9O30, respectively.",

author = "Gaoke Zhang and Shixi Ouyang and Jiping Cheng and Bhalla, {Amar S.} and Ruyan Guo",

note = "Funding Information: This work was supported by the National Natural Science Foundation of China (50372061) and National Science Foundation of the USA under grant number 0407462. The authors thank Dr. Ming Fu and Shashnk Agrawal for their help on material characterizations.",

year = "2010",

month = mar,

doi = "10.1080/07315171003800699",

language = "English (US)",

volume = "37",

pages = "35--42",

journal = "Ferroelectrics, Letters Section",

issn = "0731-5171",

publisher = "Taylor and Francis Ltd.",

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TY - JOUR

T1 - Preparation and dielectric properties of Ba5XMgNb 9O30 (X = Nd, Y) ceramics

AU - Zhang, Gaoke

AU - Ouyang, Shixi

AU - Cheng, Jiping

AU - Bhalla, Amar S.

AU - Guo, Ruyan

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China (50372061) and National Science Foundation of the USA under grant number 0407462. The authors thank Dr. Ming Fu and Shashnk Agrawal for their help on material characterizations.

PY - 2010/3

Y1 - 2010/3

N2 - Two compounds Ba5NdMgNb9O30 and Ba 5YMgNb9O30 were synthesized by solid-state reaction method. The results of scanning electron microscopy and X-ray diffraction analysis indicated that the compounds form A-site filled tetragonal tungsten bronze structure. Dielectric studies show that the dense ceramics of the above compounds have dielectric constant of 227 and 213 with dielectric loss 5.77 × 10-3 and 10.88 × 10-3 at 1 MHz. The ferroelectric phase transitions of the diffuse-type were observed in experimental measurements. The diffusivity functions calculated are 1.58 and 1.62 for Ba5NdMgNb9O30 and Ba 5YMgNb9O30, respectively.

AB - Two compounds Ba5NdMgNb9O30 and Ba 5YMgNb9O30 were synthesized by solid-state reaction method. The results of scanning electron microscopy and X-ray diffraction analysis indicated that the compounds form A-site filled tetragonal tungsten bronze structure. Dielectric studies show that the dense ceramics of the above compounds have dielectric constant of 227 and 213 with dielectric loss 5.77 × 10-3 and 10.88 × 10-3 at 1 MHz. The ferroelectric phase transitions of the diffuse-type were observed in experimental measurements. The diffusivity functions calculated are 1.58 and 1.62 for Ba5NdMgNb9O30 and Ba 5YMgNb9O30, respectively.

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JO - Ferroelectrics, Letters Section

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Preparation and dielectric properties of Ba₅XMgNb ₉O₃₀ (X = Nd, Y) ceramics

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