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Weak ferromagnetism, inflated dielectricity with improved resistive property in the morphotropic phase composition of (1 − x ) Bi 1−y Ho y FeO 3 – x Ba 0.8 Ca 0.2 TiO 3 (0.25 ≤ x ≤ 0.4; y = 0.025) ceramic solid solutions
Journal of Materials Science: Materials in Electronics ( IF 2.8 ) Pub Date : 2020-07-02 , DOI: 10.1007/s10854-020-03862-1
Chiranjib Chakrabarti , Qingshan Fu , Wajahat Ali , Xinghan Chen , Jia Zheng , Yang Qiu , Songliu Yuan

In this investigation, a series of (1 − x) Bi1−yHoyFeO3xBa0.8Ca0.2TiO3 (0.25 ≤ x ≤ 0.4; y = 0.025) ceramic solid solutions were synthesized using a conventional solid-state reaction route. The primary goal of this study was to perceive the significance of substitution on the structural, magnetic, dielectric, and resistive properties of the ceramic solid solution. The investigation suggested the trace of weak ferromagnetism in all of the samples. A methodical XRD-based phase structural study revealed a presence of a morphotropic phase boundary (MPB) in the range of 0.3 ≤ x ≤ 0.35, showing robust dielectric properties in the MPB region, as verified by the dielectric measurements. A room temperature A.C conductivity study and activation energy calculation advocated an improved resistive property in the x = 0.3 sample.



中文翻译:

弱铁磁性,介电相膨胀(1--)Bi 1-y Ho y FeO 3-x Ba 0.8 Ca 0.2 TiO 3(0.25≤x≤0.4; y = 0.025)陶瓷固溶体中具有增强的电阻特性的介电常数

在该调查中,一系列(1 - X)的Bi 1- ýý的FeO 3 - X的Ba 0.80.2的TiO 3(0.25≤  X≤  0.4; ÿ = 0.025)使用常规的固态反应路线合成了陶瓷固溶体。这项研究的主要目的是了解陶瓷固溶体在结构,磁性,介电和电阻特性方面的替代意义。调查表明所有样品中都有弱铁磁性的痕迹。甲有条不紊基于XRD相结构研究中的0.3≤范围透出型相界(MPB)的存在 X≤  0.35,示出了在MPB区域健壮的介电性能,如通过介电测量验证。室温AC电导率研究和活化能计算提倡在x  = 0.3的样品中改善电阻性能。

更新日期:2020-07-02
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