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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한양대학교 세라믹공정연구센터 Journal of Ceramic Processing Research Journal of Ceramic Processing Research 제18권 제1호
- 발행연도
- 2017.1
- 수록면
- 73 - 78 (6page)
- DOI
- http://dx.doi.org/
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초록· 키워드
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Microwave processing is an attractive approach for the production of materials with improved properties, using fast heatingcurves. In this work, SrBi2Ta2O9 samples were obtained by the mixture of oxides (Bi2O3, Ta2O5 and SrCO3). Themicrostructural evolution during microwave sintering was investigated by scanning electron microscopy in association withenergy dispersion spectroscopy and with the support of an X-ray diffraction analyzer. Frequency response analysis was usedto obtain the electric curves and a synthesizer/function generator, in combination with a high voltage amplifier, to obtain theferroelectric hysteresis measurements. Results show that microwave process proved to be a good alternative to the conventionalprocess to obtain suitable ferroelectric properties. Furthermore, in strontium bismuth tantalate samples sintered at 1200 oC bymicrowave processing, a berlincourt d33 lineal piezoelectric coefficient of 5 pC/N, a remnant polarization Pr of 4 mC/cm-2 anda coercive field Ec of 2.6 kV/mm were achieved.
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