eva Posted May 27, 2010 Share Posted May 27, 2010 Does anyone get how to find the magnification of a specimen just by having lattice spacing as a clue? I don't know any formulas so I don't know how to solve it. Link to comment Share on other sites More sharing options...
swansont Posted May 27, 2010 Share Posted May 27, 2010 Lattice spacing of what? A sample/calibration standard that you are measuring? I'd expect that it's just the ratio of the length on the screen/picture to the lattice spacing. i.e. a lattice length of 10 nm that appears to be 1 mm is a 10^5 magnification Link to comment Share on other sites More sharing options...
eva Posted May 27, 2010 Author Share Posted May 27, 2010 Cheers, I got it now. I was overcomplicating it in my head. It's for a tem image that I got given. Thanks again Link to comment Share on other sites More sharing options...
eva Posted May 31, 2010 Author Share Posted May 31, 2010 In a ring pattern from selected area electron diffraction (SAED), does anyone know how to calculate the camera length? We are given everything except the d-spacings. The radius are just measure with a ruler. L(cam)=d*R/lambda R=Ltan(2theta) there is absolutely nothing out there on the net Link to comment Share on other sites More sharing options...
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