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    玄武岩成分区熔体结构的Raman光谱研究

    王卫锋 谭劲 张德 王青建 田靖民 田世德

    王卫锋, 谭劲, 张德, 王青建, 田靖民, 田世德, 2004. 玄武岩成分区熔体结构的Raman光谱研究. 地球科学, 29(1): 39-44.
    引用本文: 王卫锋, 谭劲, 张德, 王青建, 田靖民, 田世德, 2004. 玄武岩成分区熔体结构的Raman光谱研究. 地球科学, 29(1): 39-44.
    WANG Wei-feng, TAN Jing, ZHANG De, WANG Qing-jian, TIAN Jing-min, TIAN Shi-de, 2004. Raman Spectra Study on Silicate Melt Structure at Basaltic Composition Region. Earth Science, 29(1): 39-44.
    Citation: WANG Wei-feng, TAN Jing, ZHANG De, WANG Qing-jian, TIAN Jing-min, TIAN Shi-de, 2004. Raman Spectra Study on Silicate Melt Structure at Basaltic Composition Region. Earth Science, 29(1): 39-44.

    玄武岩成分区熔体结构的Raman光谱研究

    基金项目: 

    国家自然科学基金项目 49903005

    详细信息
      作者简介:

      王卫锋(1977-),男,硕士研究生,主要研究方向为无机非金属材料.E-mail: kingwwf17@sohu.com

    • 中图分类号: P583;O657

    Raman Spectra Study on Silicate Melt Structure at Basaltic Composition Region

    • 摘要: 采用半导体脉冲激光光源和时间分辨探测技术, 对Ab -An -Di相图同结线附近处于玄武岩成分区的2个硅酸盐样品进行了升温过程的Raman光谱研究.研究了该成分区域中玻璃-晶体-熔体高温下的相转变、升温过程及其熔体的特征光谱的变化特点.发现高温熔体结构与低温玻璃结构存在明显区别, 晶体对熔体结构有继承性.同时观察到了Ab12 An3 6Di52在熔态时的分相作用, 可能反映了该组分液态不混溶的发生.通过对高频区的解谱, 初步探索了体系中各结构单元的种类及含量与温度的关系.

       

    • 图  1  2个样品在Ab-An-Di三元相图中的位置(等值线单位为℃)

      Fig.  1.  Positions of two samples in Ab-An-Di ternary phase diagram

      图  2  Ab10An29Di61样品的升温Raman光谱

      Fig.  2.  Raman spectra of glass, crystal and melt of Ab10An29Di61

      图  3  Ab12An36Di52样品的升温Raman光谱

      Fig.  3.  Raman spectra of glass, crystal and melt of Ab12An36Di52

      图  4  Ab10An29Di61样品在温度298 K高频区解谱图

      Fig.  4.  Gaussian deconvolution of stretch vibrational band at 298 K of Ab10An29Di61

      图  5  Ab10An29Di61样品在温度1 573 K高频区解谱图

      Fig.  5.  Gaussian deconvolution of stretch vibrational band at 1 573 K of Ab10An29Di61

      表  1  硅酸盐熔体的成分和有关参数

      Table  1.   Silicate melt composition and related parameters

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    • 收稿日期:  2003-03-20
    • 刊出日期:  2004-01-25

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