Ru(0001) LEED IV 16-350eV

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Low-energy electron diffraction pattern from Ru(0001) as a function of energy (16-350eV) with a traditional diffractometer.
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Cool it down to -180°C for a real black background and better contrast
Also move the angle with the energy

floriansteinbach
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this is kinda interesting, im starting to do some rh leed research as well

zhongweidai
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Ok, why the spots are like comas? It was a problem with collimation of primary electron beam or with the flatness of the sample?

damianepes
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Hi!! Why the points of light appear from the end of screen?

PalasAtenea