Miller indices of a plane in a simple cube

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SUMMARY

The discussion focuses on determining the Miller indices of a plane in a simple cubic lattice that contains the x-axis and is equally inclined to the y and z axes. The user initially struggles with the concept of intercepts, questioning whether the indices for the y and z axes would be infinite due to the plane's parallelism. Through clarification, it is established that the plane intersects the y-axis at -1 and the z-axis at +1, leading to the conclusion that the Miller indices are (h,k,l) = (0,-1,1).

PREREQUISITES
  • Understanding of Miller indices in crystallography
  • Familiarity with cubic lattice structures
  • Knowledge of intercepts in three-dimensional space
  • Basic concepts of crystal periodicity
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  • Study the derivation of Miller indices for various crystal planes
  • Learn about the implications of crystal symmetry on Miller indices
  • Explore the relationship between Miller indices and crystallographic directions
  • Examine examples of planes in different crystal systems
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Students and professionals in materials science, crystallography, and solid-state physics who are looking to deepen their understanding of Miller indices and their applications in crystal structure analysis.

ksac
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I am trying to get a hang of miller indices and doing some practice.

So here it is : What would be the miller indices of the plane containing the x-axis and equally inclined to y and z axes?

(I have uploaded the diagram and highlighted the plane to clarify)

Attempts :

I first try to find the intercepts.
The intercepts on the y and z axes are both, 0.
So does that make the corresponding miller indices k and l infinity? If yes, isn't the whole point of miller indices to avoid infinities in case of planes parallel to any of the crystal axes?

Also, what would be the intercept on the x axis, since the plane contains the x axis?

If there any gaps in my understanding or flaws in the way i am looking at it, please do correct me.
thank you :)
 

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I believe this might be the wrong section since this isn't Introductory Physics. Also, you need to know where the plane intersects the three cubic lattice vectors. Since you have the whole plane intersecting the x-axis, you can use the periodicity of the crystal lattice to either move the plane by one lattice vector, or move your origin one lattice vector in the y-direction.

By doing that, you can see now that the plane never intersects the x-axis, and that it intersects y=-1 and z=+1. After taking the inverses, you are left with (h,k,l) = (0,-1,1).
 
yes that makes a lot of sense. thank you :)
 

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