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They confuse me. If someone tells me a plane has the index, say (233), it's very difficult for me to see where it intercepts the crystal axes. What are they good for?
try this tutorial...
https://www.physicsforums.com/showthread.php?t=110233 [Broken]
Thanks.
But let's go back to the plane with index (233). I want to draw it in a coordinate system with the crystal axes a, b, and c. I know from my textbook that its coordinates in this coordinate system are (3,2,2) (that is, the plane intercepts the axes at 3a, 2b and 2c). But how do I get this information if I only know the index? I know how to get the index from knowing the coordinates, but vice versa seems to be more difficult.