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化學(xué)溶液沉積制備涂層導(dǎo)體Eu0.3Ce0.7O1.85-x單一緩沖層
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國家自然科學(xué)基金(50672078)；國家杰出青年基金(50588201)和國家“973”項(xiàng)目(2007CB616906)


Preparation of Eu0.3Ce0.7O1.85-x Single Buffer Layer on Coated Conductors by Chemical Solution Deposition
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    摘要:

    采用高分子輔助化學(xué)溶液沉積 (PACSD) 方法，在雙軸織構(gòu)的NiW (200)合金基底上沉積了厚度大于160 nm的Eu0.3Ce0.7O1.85-x(ECO)單一緩沖層。制得的ECO緩沖層雙軸織構(gòu)良好，表面平整、無裂紋。同時，Eu的摻雜提高了CeO2單一緩沖層薄膜的臨界厚度。在沉積了ECO緩沖層的NiW基帶上外延生長的YBCO薄膜，超導(dǎo)零電阻轉(zhuǎn)變溫度Tc0=86 K，臨界電流密度達(dá)到Jc(0 T, 77 K)=0.4 MA/cm2。本研究提供了一種操作簡單、成本低廉、性能優(yōu)良的制備涂層導(dǎo)體單一緩沖層的

    Abstract:

    A novel polymer-assisted chemical solution deposition (PACSD) has been proposed to deposit an over-160nm-thick Eu0.3Ce0.7O1.85-x (ECO) single buffer layer on biaxially textured NiW (200) substrate. As-grown ECO buffer layer displayed excellent bi-axial texture as well as smooth, crack-free microstructure. It is observed that Eu-doping can augment the critical thickness of CeO2 as single buffer layer. YBCO deposited on ECO buffered NiW yielded a zero transition temperature at Tc0 = 86 K and a critical current of Jc (0 T, 77 K) = 0.4 MA/cm2. These results offer a simple and cost-effective approach for the preparation of single buffer layer on coated conductors

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孫瑞萍,李 果,蒲明華,王文濤,張 欣,武 偉,楊 燁,趙 勇.化學(xué)溶液沉積制備涂層導(dǎo)體Eu0.3Ce0.7O1.85-x單一緩沖層[J].稀有金屬材料與工程,2009,38(3):523~526.[Sun Ruiping, Li Guo, Pu Minghua, Wang Wentao, Zhang Xin, Wu Wei, Yang Ye, Zhao Yong. Preparation of Eu0.3Ce0.7O1.85-x Single Buffer Layer on Coated Conductors by Chemical Solution Deposition[J]. Rare Metal Materials and Engineering,2009,38(3):523~526.]
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  • 收稿日期:2008-03-11
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