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后續(xù)處理對(duì)SrTiO_3基晶界層電容器絕緣電阻的影響_張木森

第 43 卷第 3 期2021 年 5 月湖北大學(xué)學(xué)報(bào)(自然科學(xué)版)Journal of Hubei University(Natural Science)Vol.43 No.3May 2021收稿日期:2020-12-01基金項(xiàng)目:國(guó)家自然科學(xué)基金(11674086)及貴州省經(jīng)濟(jì)和信息化委員會(huì)技術(shù)創(chuàng)新項(xiàng)目(2017021)資助作者簡(jiǎn)介:張木森(1995- ),男,碩士生;楊昌平,通信作者,教授,E-mail:cpyang@ hubu.edu.cn文章編號(hào):1000-2375(2021)03-0289-06后續(xù)處理對(duì) SrTiO 3 基晶界層電容器絕緣電阻的影響張木森1 ,石大為 2 ,徐玲芳 1 ,王瑞龍 1 ,肖海波 1 ,梁世恒 1 ,楊昌平 1,3(1. 湖北大學(xué)物理與電子科學(xué)學(xué)院,湖北 武漢 430062;2. 湖北理工學(xué)院數(shù)理學(xué)院,湖北 黃石 435003;3.太原科技大學(xué)材料科學(xué)與工程學(xué)院,山西 太原 030024)摘要:采用二步法制備 SrTiO 3 晶界層電容器,并對(duì)其進(jìn)行后續(xù)熱、電和液氮處理,研究處理前后電容器電學(xué)性能的變化.實(shí)驗(yàn)結(jié)果表明,在 50 V 直流電壓和 200 ℃條件下對(duì) SrTiO 3 晶界層電容器進(jìn)行后續(xù)快速退火和液氮處理后,其介電常數(shù)和介電損耗在基本保持不變的情況下,其絕緣電阻值可得到大幅提升,從最初 30 GΩ 上升至 200 GΩ.通過處理,最后可獲得平均介電常數(shù)為 30 000,損耗為 0。

003,絕緣電阻(50 V 測(cè)量)為 200 GΩ 的高性能 SrTiO 3 晶界層電容器.關(guān)鍵詞:SrTiO 3 晶界層電容器;介電性能;后續(xù)熱電處理;絕緣電阻中圖分類號(hào):TQ174。 75 文獻(xiàn)標(biāo)志碼:A DOI:10. 3969/j.issn. 1000-2375. 2021. 03. 010著錄信息: 張木森,石大為,徐玲芳,等.后續(xù)處理對(duì) SrTiO 3 基晶界層電容器絕緣電阻的影響[J].湖北大學(xué)學(xué)報(bào)(自然科學(xué)版),2021,43(3):289-294.Zhang M S,Shi D W,Xu L F,et al. Effect of subsequent thermal and electrical treatment on resistance of SrTiO 3 grain boundary layercapacitors[J].Journal of Hubei University(Natural Science),2021,43(3):289-294.Effect of subsequent thermal and electrical treatment on resistance ofSrTiO 3 grain boundary layer capacitorsZHANG Musen 1 ,SHI Dawei 2 ,XU Lingfang 1 ,WANG Ruilong 1 ,XIAO Haibo 1 ,LIANG Shiheng 1 ,YANG Changping 1,3(1. Faculty of Physics and Electronic Technology,Hubei University,Wuhan 430062,China;2. College of Mathematical and Physical Sciences,Hubei Polytechnic University,Huangshi 435003,China;3. Faculty of Materials Science and Engineering,Taiyuan University of Science and Technology,Taiyuan 030024,China)Abstract:SrTiO 3 grain boundary layer capacitors were fabricated by the two-step method and thedielectric properties were studied. The results show that the insulating resistance of SrTiO 3 grain boundary layercapacitor can be dramatically enhanced from the initial 30 GΩ up to 200 GΩ by the subsequent treatment ofrapid annealing at 200 ℃ under 50 V with quenching in liquid nitrogen while the dielectric constant anddielectric loss remain basically unchanged. Herein,a SrTiO 3 grain boundary layer ceramic capacitor with anaverage value of 30 000 for dielectric constant,dielectric loss 0。


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