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The Physical Meanings of 5 Basic Parameters for an X-Ray Diffraction Peak and Their Application

周健 王河锦

中国地球化学学报(英文版)2003,Vol.22Issue(1):38-44,7.
中国地球化学学报(英文版)2003,Vol.22Issue(1):38-44,7.

The Physical Meanings of 5 Basic Parameters for an X-Ray Diffraction Peak and Their Application

The Physical Meanings of 5 Basic Parameters for an X-Ray Diffraction Peak and Their Application

周健 1王河锦2

作者信息

  • 1. Chinese Academy of Geological Sciences, Beijing 100037, China
  • 2. School of Earth and Space Sciences, Peking University, Beijing 100871, China
  • 折叠

摘要

Abstract

This paper derives the physical meanings of peak position, peak width and height ofan X-ray diffraction peak from the analyses of the Bragg's equation, the Scherrer' s formula andthe principle of peak intensity calculation. The geometric characteristics of an asymmetric peakare clarified by means of experiment. The relationships between neak shape and domain size/lattice strain have been verified by geological events. Therefore this paper integrates the physicalmeanings of all 5 basic parameters for an X-ray diffraction peak. Applications of these 5 parame-ters are exemplified.

关键词

X-ray diffraction/peak parameter/physical meaning/application

Key words

X-ray diffraction/peak parameter/physical meaning/application

分类

天文与地球科学

引用本文复制引用

周健,王河锦..The Physical Meanings of 5 Basic Parameters for an X-Ray Diffraction Peak and Their Application[J].中国地球化学学报(英文版),2003,22(1):38-44,7.

基金项目

NNSFC project "Incipient metamorphism of clastic rocks, exemplified by the Proterozoic and the Lower Paleozoic in the north-cer-tral part of Hunan Province, China" ( No. 49872033 ). ( No. 49872033 )

中国地球化学学报(英文版)

2096-0956

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