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TFA-MOD技術(shù)制備YBCO超導(dǎo)層的熱解機理研究
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國家“863”計劃項目 (2009AA03Z203)


The Mechanism of Thermal Decomposition of YBCO Films Prepared by TFA-MOD Technique
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    摘要:

    采用TG-DSC、原位紅外、XRD等研究YBCO-TFA前驅(qū)溶液的熱解行為，結(jié)果表明：在230~320 ℃區(qū)間YBCO-TFA前驅(qū)體的熱解產(chǎn)物為BaF2、CuO、Y2O3、YBaF及其他非晶態(tài)物質(zhì)。并給出了TFA-MOD YBCO膠體的整個分解反應(yīng)歷程和機理的分析，有利于熱解工藝的優(yōu)化并實現(xiàn)高性能涂層導(dǎo)體的制備

    Abstract:

    The thermal decomposition behavior of YBCO-TFA precursors was investigated by thermogravimetric and differential scanning calorimetry analysis (TG-DSC), in-situ Fourier transform infrared spectroscopy (FT-IR) and X-ray diffraction analysis (XRD). The results show that the thermal decomposition of YBCO-TFA precursors occurred mainly in the range of 230~250 oC, and the residues were identified as BaF2, CuO, Y2O3, YBaF and other unidentified noncrystalline materials. The studies of the mechanism of thermal decomposition are beneficial to optimize the thermal decomposition processes and to achieve high critical current YBCO coated conductors

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金利華,盧亞鋒,王鵬飛,張國防,張 云,王 耀,李成山. TFA-MOD技術(shù)制備YBCO超導(dǎo)層的熱解機理研究[J].稀有金屬材料與工程,2012,41(8):1439~1442.[Jin Lihua, Lu Yafeng, Wang Pengfei, Zhang Guofang, Zhang Yun, Wang Yao, Li Chengshan. The Mechanism of Thermal Decomposition of YBCO Films Prepared by TFA-MOD Technique[J]. Rare Metal Materials and Engineering,2012,41(8):1439~1442.]
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  • 收稿日期:2011-09-03
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