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快速單脈沖激勵下反鐵電PbLa(Zr, Sn, Ti)O3極化反轉(zhuǎn)特性
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國家自然科學(xué)基金(50632030，10474077)；國家重點基礎(chǔ)研究發(fā)展計劃(2002CB613307)資助項目


Polarization Switching Property of PbLa(Zr,Sn,Ti)O3 Antiferroelectric Ceramic Stimulated by Rapid Monopulse Voltage
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    摘要:

    研究了摻鑭鋯錫鈦酸鉛反鐵電陶瓷在單脈沖方波電壓激勵下的極化反轉(zhuǎn)特性。分析了1 Hz正弦交變電壓和上升前沿約為1 ns單脈沖方波電壓激勵下樣品的電滯特征以及不同脈沖寬度下樣品的極化反轉(zhuǎn)行為。討論了樣品的反鐵電-鐵電相變時間。結(jié)果表明：單方波脈沖電壓激勵下，樣品的正向開關(guān)電場增加，反向開關(guān)電場減?。粯悠吠耆珮O化反轉(zhuǎn)所需時間為394 ns，使樣品開始極化反轉(zhuǎn)的最小脈沖寬度在50~100 ns之間。

    Abstract:

    The polarization switching property of antiferroelectric materials La-doped Pb(Zr,Sn,Ti)O3 stimulated by monopulse rectangle voltage was investigated. The electronic hysteresis loop characteristics of the ceramic samples excited by 1 Hz-sine alternating voltage and monopulse rectangle voltage with different pulse widths were measured and analyzed. And the phase transition time of the ceramic samples was discussed. Compared with 1 Hz-sine alternating voltage, forward electric switching field increases and backward switching electric field decreases when monopulse voltage is applied. Under monopulse voltage, forward switching time is 394 ns. The minimum pulse width which results in the beginning of polarization switching is in the range of 50-100 ns.

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張琳麗,徐 卓,馮玉軍,盛兆玄.快速單脈沖激勵下反鐵電PbLa(Zr, Sn, Ti)O3極化反轉(zhuǎn)特性[J].稀有金屬材料與工程,2011,40(7):1264~1267.[Zhang Linli, Xu Zhuo, Feng Yujun, Sheng Zhaoxuan. Polarization Switching Property of PbLa(Zr, Sn, Ti)O3 Antiferroelectric Ceramic Stimulated by Rapid Monopulse Voltage[J]. Rare Metal Materials and Engineering,2011,40(7):1264~1267.]
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  • 收稿日期:2010-07-21
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