[mcxtrace-users] Question regarding "lambda" in cif2hkl function

FARHI Emmanuel emmanuel.farhi at synchrotron-soleil.fr
Sat Aug 5 22:56:39 CEST 2023

Hello Sangjun, 

the lambda parameter defines the minimum d-spacing for the hkl planes. It should be lower than the actual wavelength you use, i.e. the lower bound of your range. 


De: "Yoo, Sangjun" <sangjun.yoo at thermofisher.com> 
À: "mcxtrace-users" <mcxtrace-users at mcxtrace.org> 
Envoyé: Jeudi 3 Août 2023 23:57:03 
Objet: [mcxtrace-users] Question regarding "lambda" in cif2hkl function 


I hope this email finds you well. 

I have a question regarding the lambda parameter in the cif2hkl function. According to the documentation, it refers to the incoming probe wavelength in Angs. I do wonder what it means. Is it the wavelength of the X-rays that I use in the simulation? What would be a good number for this if I am using a white radiation source? 

Hope to hear from you soon. 


Sangjun Yoo 

Scientist – Advanced Technology, Spectroscopy 

Thermo Fisher Scientific 

5225 Verona Road, Bldg4 | Madison, WI 53711 

[ mailto:sangjun.yoo at thermofisher.com | sangjun.yoo at thermofisher.com ] | [ https://partage.synchrotron-soleil.fr/public/thermofisher.com | thermofisher.com ] 

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