碳化树木的微结构特征研究

北京大学学报（自然科学版）

碳化树木的微结构特征研究

冯有利^1,2, 郑辙¹, 郭延军¹

¹北京大学地球与空间科学学院，北京，100871；²华北水利水电学院，郑州，450008

收稿日期:2002-09-12 出版日期:2003-09-20 发布日期:2003-09-20

Researching on the Characteristics of Microstructures of Carbonated Tree

FENG Youli^{1, 2}, ZHENG Zhe¹, GUO Yanjun¹

¹School of Earth and Space Sciences, Peking University, Beijing, 100871；²North China Institute of Hydroelectric Power and Water Conservancy, Zhengzhou, 450011

Received:2002-09-12 Online:2003-09-20 Published:2003-09-20

摘要/Abstract

摘要： 对浙江温岭火山角砾岩中的碳化树木进行了高分辨电子显微镜、X粉晶衍射和激光拉曼光谱研究。高分辨电子显微像表明火山角砾岩中的碳化树木相当于微柱石墨—柔绉石墨过渡阶段。碳化树木的一级拉曼光谱D峰波数在1359.7～1369.2cm^-1之间，O峰波数在1594.5～1603.4cm^-1之间。根据峰面积比A_D/(A_D+A_O)计算得出其L_a在7.6～11.8nm之间，与高分辨电子显微像观察结果一致。

关键词: 碳化树木, 高分辨电子显微镜, 粉晶X射线, 激光拉曼光谱, 石墨化程度

Abstract: The carbonated tree in volcanic breccia has been studied through high resolution transmission electronic microscopy (HRTEM), X-ray powder diffraction and laser Raman spectroscopy. The HRTEM imagine shows that it was the product of transition from micro-column to flexible crape graphite. The D-peak position is 1359.7～1369.2cm^-1. The O-peak position is 1601.5～1603.4cm^-1. Its second Raman spectroscopy reflect its crystallinity and the peak area ratio A_D/(A_D+A_O) reflects the crystal size (L_a). The estimated L_aof carbonated tree in volcanic tree is 7.6～11.8nm.

Key words: carbonated tree, HRTEM, X-ray powder diffraction, laser Raman spectroscopy, degree of graphitization

中图分类号:

P575

冯有利, 郑辙, 郭延军. 碳化树木的微结构特征研究[J]. 北京大学学报（自然科学版）.

FENG Youli,ZHENG Zhe,GUO Yanjun. Researching on the Characteristics of Microstructures of Carbonated Tree[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

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https://xbna.pku.edu.cn/CN/Y2003/V39/I5/727

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