1) the widening of the peaks of X-ray diffraction
X射线衍射峰宽化
1.
The method of approximate function has been applied to analyzing the widening of the peaks of X-ray diffraction caused by decreasing the size of subgrains and increasing of lattice distortion.
结果表明,近似函数法是一种简便有效的分析铜合金X射线衍射峰宽化的方法之一,而合金元素Ag和Sn等对铜合金性能的影响与其X射线衍射峰的物理定化有明显的对应关系。
2) widening of diffraction line profile
衍射峰线形宽化
1.
We have studied the variation rules of widening of diffraction line profile,〔020〕displacement value〔d〕,grain size,endothermic effect and hydroxy vibration,The results demonstrate that the s.
研究了衍射峰线形宽化、〔0 2 0〕d值位移、晶粒度、吸热效应、羟基振动等变化规律 ,进而提出了拟薄水铝石的结构为〔AlOOH〕·nH2 O ,n为 0 0 80~ 0 6 0 2。
3) diffraction peaks broadening
衍射峰宽化
1.
These results reveal that the diffraction peaks broadening which was caused by non-homogeneity of.
详细论证了粉体中化学组成不均匀所引起的衍射峰宽化。
4) wide angle X-ray diffraction(WAXD)
宽角X射线衍射
5) X ray peak broadening
X射线峰增宽
6) lineshape of x-ray diffraction peak
X射线衍射峰线型
补充资料:X射线峰增宽
分子式:
CAS号:
性质:粉晶X射线衍射峰的增宽,若不计及X射线光束的不平行性及其他仪器因素,主要取决于晶样颗粒的线度尺寸D(h*k*l*)与布拉格衍射角θnh*, nk*, nl*,以弧度为单位的2θ衍射峰的半高宽B(2θ)与D和θ间有下列Scherer关系式:B(2θ)=kλ/Dcosθ式中λ为X射线波长,常数K值近于0.89。显然,衍射峰宽B与D成反比,并随θ增加而增宽。线度在(5×102)~104nm范围晶粒的粉晶样可给出明锐的衍射弧线,线度在10~200nm范围的微晶,其衍射峰则将给出明显的增宽现象。
CAS号:
性质:粉晶X射线衍射峰的增宽,若不计及X射线光束的不平行性及其他仪器因素,主要取决于晶样颗粒的线度尺寸D(h*k*l*)与布拉格衍射角θnh*, nk*, nl*,以弧度为单位的2θ衍射峰的半高宽B(2θ)与D和θ间有下列Scherer关系式:B(2θ)=kλ/Dcosθ式中λ为X射线波长,常数K值近于0.89。显然,衍射峰宽B与D成反比,并随θ增加而增宽。线度在(5×102)~104nm范围晶粒的粉晶样可给出明锐的衍射弧线,线度在10~200nm范围的微晶,其衍射峰则将给出明显的增宽现象。
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参考词条