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LTCC系統(tǒng)用低溫?zé)Y(jié)SrFe12O19鐵氧體性能的改善研究
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成都信息工程學(xué)院,成都信息工程學(xué)院,成都信息工程學(xué)院,成都信息工程學(xué)院,成都信息工程學(xué)院,成都市工業(yè)職業(yè)技術(shù)學(xué)校,成都市工業(yè)職業(yè)技術(shù)學(xué)校

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Scientific Research Foundation of Education Office of Sichuan province (13Z198) and the Young and middle-aged academic leaders of scientific research funds of Chengdu University of Information Technology (J201222)


Improved Characteristics of Low-temperature Sintered SrFe12O19 Ferrites for Use in LTCC System Applications
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Chengdu University of Information Technology,Chengdu University of Information Technology,Chengdu University of Information Technology,Chengdu University of Information Technology,Chengdu University of Information Technology,Chengdu Industrial Vocational & Technical College,Chengdu Industrial Vocational & Technical College

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    摘要:

    本文采用固相法制備M型六角鍶鐵氧體(SrFe12O19)材料，利用Bi2O3作為燒結(jié)助劑以改善材料的低溫?zé)Y(jié)特性，系統(tǒng)研究了材料的晶體結(jié)構(gòu)、電學(xué)性能和磁學(xué)性能。結(jié)果表明：當燒結(jié)溫度降低至900 癈時可以獲得單相的SrFe12O19鐵氧體材料。Bi2O3的添加對低溫?zé)Y(jié)材料的電學(xué)性能和磁學(xué)性能影響顯著，可以提高材料的電阻率ρ、飽和磁化強度Ms、內(nèi)稟矯頑力Hci和磁晶各向異性場Ha。低溫?zé)Y(jié)材料的ρ、Ms、Hci和Ha分別可以達到0.42?08 Ω?cm、285.6 kA?m-1、347.3 kA?m-1和1546.6 kA?m-1，在非互易LTCC（低溫共燒陶瓷）鐵氧體器件領(lǐng)域具有重要的應(yīng)用前景。

    Abstract:

    In order to improve the sintering characteristics of the low-temperature sintered M-type hexagonal strontium ferrites (SrFe12O19) prepared by solid phase method, the Bi2O3 additive was used as sintering aid, and the crystal structure, electrical properties, and magnetic properties of the ferrites were investigated. The results show that the single phase structural SrFe12O19 ferrites can be obtained even with a low sintering temperature of 900 癈. The Bi2O3 additive is found to possess a significant effect on the electrical properties and magnetic properties for the ferrites sintered at low temperatures, typically leading to enhanced resistivity ρ, saturation magnetization Ms, intrinsic coercivity Hci, and magnetic anisotropy field Ha. It is suggested that the low-temperature sintered SrFe12O19 ferrites with ρ of 0.42?08 Ω?cm, Ms of 285.6 kA?m-1, Hci of 347.3 kA?m-1, and Ha of 1546.6 kA?m-1 provide an important potential application in nonreciprocal LTCC (low temperature co-fired ceramics) ferrite devices.

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彭龍,李樂中,王瑞,涂小強,胡云,胡躍斌,郭成. LTCC系統(tǒng)用低溫?zé)Y(jié)SrFe12O19鐵氧體性能的改善研究[J].稀有金屬材料與工程,2016,45(12):3095~3098.[penglong, Li Lezhong, Wang Rui, Tu Xiaoqiang, Hu Yun, Hu Yuebin, Guo Cheng. Improved Characteristics of Low-temperature Sintered SrFe12O19 Ferrites for Use in LTCC System Applications[J]. Rare Metal Materials and Engineering,2016,45(12):3095~3098.]
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  • 收稿日期:2014-08-31
  • 最后修改日期:2014-09-25
  • 錄用日期:2014-10-30
  • 在線發(fā)布日期: 2017-02-06
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