Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
Section: Chapter Questions
Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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Transcribed Image Text:The single layer state of graphite is called the graphene layer and is a
honeycomb lattice with hexagonal symmetry. If the distance between
the closest neighbors is a,
(a) Identify the primitive lattice vectors of the structure and draw the
primitive unit cell clearly showing the base atoms.
(b) Determine the first Brillouin region by calculating the purl vectors.
(c) Assuming that the electron density is 7.1010 cm-2, calculate the
two-dimensional free electron Fermi energy for the graphene sheet (in
eV).
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