Mastering Unit Cells in 2D Structures
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Questions and Answers

Which of the following statements about unit cells is correct?

  • A unit cell can only have a triangular shape
  • A unit cell can only be defined in 2D
  • A unit cell is an entity that can be translated along the lattice vector (correct)
  • A unit cell can have any number of vectors in x and y direction

    • What are the parameters required to describe a unit cell in 2D?

  • Two vectors in x direction and two vectors in y direction
  • One vector in x direction and two vectors in y direction
  • One vector in x direction and another vector in y direction (correct)
  • Two vectors in x direction and one vector in y direction

    • What shape of unit cell will be formed when a is not equal to b and alpha = 90 degrees?

  • Square
  • Rectangular (correct)
  • Triangular
  • Hexagonal

    • What shape of unit cell will be formed when a = b and alpha = 90 degrees?

    <p>Square</p> Signup and view all the answers

    Can a unit cell have any number of vectors in the x and y direction?

    <p>No, a unit cell can only have one vector in each direction</p> Signup and view all the answers

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