Wavelength is the distance between two adjacent crests or troughs of the wave. If {eq}\nu {/eq} is the frequency of a ray/light, and {eq}c {/eq} is the speed of light, then the following formula can be used to find the wavelength of the ray. ...
A formula of the X-ray wavelength based upon the calculation of atomic number is derived. Error analysis is carried out systematically for the calculated values of wavelength, and the rules of relative error are obtained. It is shown that the results of the calculation are very close to the ...
where δδ is the real parameter which depends on the X-ray wavelength, the film density and the composition of the material, and it is related to the critical angle according to the relation δ=Θ2c/2δ=Θc2/2. The imaginary parameter ββ is associated with the linear absorption coeffi...
where k=the dimensionless shape factor which is generally taken as 0.9, λ (1.54Ǻ) is the X-ray wavelength, β is the full width at the half maximum peak, and is the diffraction or Bragg's angle at the peak (200). View chapter ...
X-ray microscopy/ biomass burn aerosolsplant fuelssingle scattering albedoAngstrom absorption coefficientsphotoacoustic techniqueAerosols generated from burning ... RJ Hopkins,K Lewis,Y Desyaterik,... - 《Geophysical Research Letters》 被引量: 128发表: 2008年 An Inter-Comparison of Two Black Carbon Ae...
Modern Developments in X-Ray and Neutron Optics This volume describes modern developments in reflective, refractive and diffractive optics for short wavelength radiation. It also covers recent theoretical approaches to modelling and ray-tracing the x-ray and neutron optical systems. I... A Erko,T ...
The technique of X-ray analysis requires an energy dispersive or wavelength dispersive spectrometer to be fitted as an attachment to the SEM. It enables chemical elements in the sample to be identified by studying the X-ray emission spectra excited by the electron beam. A stationary electron beam...
1、X射线技术介绍和应用X-ray Analysis 1. X射线的产生和性质1.1 导论 1.2 X射线的产生1.3 X射线的性质2. X射线技术和应用2.1 X射线衍射(XRD)2.1 EXAFS,XANES2.3 X射线形貌(XRT)2.4 X射线成像(XRI)2.5 X射线小角散(XRS)2.6 X射线光刻(XRL)射线荧光(XRF) 3. 结束语:X射线实验系列化研究1. X射线的...
a quantum of radiation of wavelengthλ(=1/v¯)is radiated. This is theKα-line. The other lines are emitted as a result of energy changes illustrated inFig. 27.6, theL-series corresponding to the formulav¯=R(Z−7ċ4)2[(1/22)−(1/3)2]. It must be understood that characte...
An X-ray is a form of electromagnetic wave, such as radio, infrared, visible, or ultraviolet, which has shorter wavelength than ultraviolet wave, and the energy of each X-ray photon is inversely proportional to the wavelength. Therefore, an X-ray has higher energy compared to other electromag...