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Author:

石雯静 (石雯静.) | 黄韵瑶 (黄韵瑶.) | 魏晓勇 (魏晓勇.) | 靳立 (靳立.)

Abstract:

该文采用传统固相合成法制备了Bi_(0.5)Na_(0.5)Ti_((1-x))Hf_xO_3(x=0, 0.02, 0.04和0.06)陶瓷,通过X线衍射仪(XRD)和扫描电子显微镜(SEM)表征了其相结构、微观表面,并研究了其介电性能、铁电性能及比热容与相变的关系。通过构建电场和温度的条件,共同调控铁电相变。再借助麦克斯韦方程,通过间接法计算,最终在50℃、70 kV/cm的电场下,在Bi_(0.5)Na_(0.5)TiO_3-0.04Hf陶瓷中通过诱导畴变得到了0.5 K的负电卡效应。

Keyword:

BNT基 电卡效应 钙钛矿 铁电陶瓷 无铅

Author Community:

  • [ 1 ] 西安交通大学电子陶瓷与器件教育部重点实验室国际电介质研究中心电子科学与工程学院电信学部

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Source :

压电与声光

Year: 2022

Issue: 04

Volume: 44

Page: 588-592

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 4

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