High energy density ferroelectric glass-ceramics

Ming Jen Pan, Barry A. Bender, Michael T. Lanagan, Ching Tai Cheng

Research output: Contribution to journalConference article

6 Citations (Scopus)

Abstract

In this study we examined the feasibility of using glass-ceramics with ferroelectric precipitates as high energy density dielectric materials. Specific goals were to demonstrate: 1) the formability of ferroelectric particles inside a glass matrix, 2) high dielectric constant and breakdown strength of glass-ceramics, and 3) improved energy density. Three glasses with network former (Si, Al, and B) content as low as 20 wt% was successfully formed using splash-quenching. After the crystallization temperature of each composition was determined by differential thermal analysis, a series of heat treatment were performed. X-ray diffraction results confirmed the formation of the appropriate ferroelectric phase (barium titanate for two compositions and barium strontium niobate for the third). The dielectric constant of the heat-treated samples can be up to 300 and the dielectric breakdown strength up to 800 kV/cm. Correspondingly, the projected energy density is 6-8 joules/c.c., an order of magnitude higher than commercial ceramic dielectrics.

Original languageEnglish (US)
Pages (from-to)187-193
Number of pages7
JournalCeramic Transactions
Volume169
StatePublished - Aug 22 2005
Event106th Annual Meeting of the American Ceramic Society - Indianapolis, IN, United States
Duration: Apr 18 2004Apr 21 2004

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Glass ceramics
Ferroelectric materials
Electric breakdown
Permittivity
Glass
Strontium
Barium titanate
Barium
Formability
Crystallization
Chemical analysis
Differential thermal analysis
Precipitates
Quenching
Heat treatment
X ray diffraction
Temperature

All Science Journal Classification (ASJC) codes

  • Ceramics and Composites
  • Materials Chemistry

Cite this

Pan, M. J., Bender, B. A., Lanagan, M. T., & Cheng, C. T. (2005). High energy density ferroelectric glass-ceramics. Ceramic Transactions, 169, 187-193.
Pan, Ming Jen ; Bender, Barry A. ; Lanagan, Michael T. ; Cheng, Ching Tai. / High energy density ferroelectric glass-ceramics. In: Ceramic Transactions. 2005 ; Vol. 169. pp. 187-193.
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Pan, MJ, Bender, BA, Lanagan, MT & Cheng, CT 2005, 'High energy density ferroelectric glass-ceramics', Ceramic Transactions, vol. 169, pp. 187-193.

High energy density ferroelectric glass-ceramics. / Pan, Ming Jen; Bender, Barry A.; Lanagan, Michael T.; Cheng, Ching Tai.

In: Ceramic Transactions, Vol. 169, 22.08.2005, p. 187-193.

Research output: Contribution to journalConference article

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T1 - High energy density ferroelectric glass-ceramics

AU - Pan, Ming Jen

AU - Bender, Barry A.

AU - Lanagan, Michael T.

AU - Cheng, Ching Tai

PY - 2005/8/22

Y1 - 2005/8/22

N2 - In this study we examined the feasibility of using glass-ceramics with ferroelectric precipitates as high energy density dielectric materials. Specific goals were to demonstrate: 1) the formability of ferroelectric particles inside a glass matrix, 2) high dielectric constant and breakdown strength of glass-ceramics, and 3) improved energy density. Three glasses with network former (Si, Al, and B) content as low as 20 wt% was successfully formed using splash-quenching. After the crystallization temperature of each composition was determined by differential thermal analysis, a series of heat treatment were performed. X-ray diffraction results confirmed the formation of the appropriate ferroelectric phase (barium titanate for two compositions and barium strontium niobate for the third). The dielectric constant of the heat-treated samples can be up to 300 and the dielectric breakdown strength up to 800 kV/cm. Correspondingly, the projected energy density is 6-8 joules/c.c., an order of magnitude higher than commercial ceramic dielectrics.

AB - In this study we examined the feasibility of using glass-ceramics with ferroelectric precipitates as high energy density dielectric materials. Specific goals were to demonstrate: 1) the formability of ferroelectric particles inside a glass matrix, 2) high dielectric constant and breakdown strength of glass-ceramics, and 3) improved energy density. Three glasses with network former (Si, Al, and B) content as low as 20 wt% was successfully formed using splash-quenching. After the crystallization temperature of each composition was determined by differential thermal analysis, a series of heat treatment were performed. X-ray diffraction results confirmed the formation of the appropriate ferroelectric phase (barium titanate for two compositions and barium strontium niobate for the third). The dielectric constant of the heat-treated samples can be up to 300 and the dielectric breakdown strength up to 800 kV/cm. Correspondingly, the projected energy density is 6-8 joules/c.c., an order of magnitude higher than commercial ceramic dielectrics.

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M3 - Conference article

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Pan MJ, Bender BA, Lanagan MT, Cheng CT. High energy density ferroelectric glass-ceramics. Ceramic Transactions. 2005 Aug 22;169:187-193.