| Elemental composition analysis of superconducting Hg_(0.67)Pb_(0.34)Ba_2Ca_2Cu_3O_(8+δ) |
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| 引用本文： | 毛福明,邵力为.Elemental composition analysis of superconducting Hg_(0.67)Pb_(0.34)Ba_2Ca_2Cu_3O_(8+δ)[J].中国科学E辑(英文版),1997(3). |
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| 作者姓名： | 毛福明 邵力为 |
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| 作者单位： | Department of Electronic Engineering，Southeast University，Nanjing 210096，China，Department of Electronic Engineering，Southeast University，Nanjing 210096，China |
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| 摘 要： | The analysis of superconducting sample by using a sputtered neutral particle mass spectrometer demonstrates that Ca and Ba elements are oxidative, Cu is non-oxidative, Hg is mainly in metallic form near the surface and becomes oxidative far from the surface, and Pb is concentrated on the surface. The analysis also reveals that the highly concentrative hydrocarbon and water impurities are mixed into the sample during the preparation and conservation.
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