Write a function that calculates the atomic plane separation including its uncertainty based on equations (8.5), (8.4) and (8.2). Make a plot of your result ... |
The experiment will investigate how electrons, when accelerated across a potential and passed through a thin layer of graphite, interfere with each other and ... |
In our experiment accelerated electron with 5 keV kinetic energy pass through a graphite target in an evacuated tube and hit a fluorescent screen. We ... |
The wavelength, λ, of the electrons is given by De Broglie's equation λ=h/ p where h is Planck's constant and p is the momentum of an electron. Procedure. |
Experiment objectives: observe diffraction of the beam of electrons on a graphitized carbon target, and to calculate the intra-atomic spacings in the graphite. |
Don't touch fine beam tube and cables during operation, high voltages of 10 kV are used in this experiment! ... equation λ=h/p (and wave behaviour of electrons) ... |
Introduction: This experiment is designed to illustrate the wave nature of electrons and also the diffraction patterns created when a beam of monoenergetic ... |
Measure the different distances between planes, calculate their ratio and compare it with your experiment. See if you can find the diffraction planes by ... |
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