Xray Diffraction

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Uploaded by on Dec 16, 2010

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Education

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  • me abuuuuuurro!

  • here theta is defined as the angle with the surface normal, not with the surface plane, hence nlambda = 2 d cos(theta) . Furthermore this video is one of the worst explanations of XRD that I can imagine.

  • @TheSergeZebian Yeah, Bragg's law is nLamba=2dsin(theta), not cos(theta).

  • thanks (:

    but one question, ive seen the formula represented as 2dsin(theta) - why sine?

    i understand the cosine much better as it is the perpendicular line (adjacent) and the line that is coming in (hypotenuse)

    

  • Helpful video. Thanks for posting this :-)

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