PS3_solution

PS3_solution - MECE 6700 Problem Set 3 Due on Nov. 5th...

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MECE 6700 James Hone, Fall 2011 Problem Set 3 Due on Nov. 5 th 1 . Plot the lines of allowed k-vectors for the following tubes: (a) amchair (5,5) (b) zigzag (6,0) (c) zigzag (7,0) (d) chiral (6,2) (e) chiral (5,2) Solution Page 1 of 15
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MECE 6700 James Hone, Fall 2011 -1.5 -1 -0.5 0 0.5 1 1.5 2 2.5 3 3.5 -2 -1.5 -1 -0.5 0 0.5 1 1.5 2 kx (1/Angstrom) ky (1/Angstrom) Allowed k vectors for (5,5) tube Page 2 of 15
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MECE 6700 James Hone, Fall 2011 -2 -1 0 1 2 3 4 5 6 -2 -1 0 1 2 3 4 kx (1/Angstrom) ky (1/Angstrom) Allowed k vectors for (6,0) tube Page 3 of 15
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MECE 6700 James Hone, Fall 2011 -2 -1 0 1 2 3 4 5 6 -2 -1 0 1 2 3 4 kx (1/Angstrom) ky (1/Angstrom) Allowed k vectors for (7,0) tube Page 4 of 15
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MECE 6700 James Hone, Fall 2011 0 2 4 6 8 10 12 14 1 kx (1/Angstrom) Allowed k vectors for (6,2) tube Page 5 of 15
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MECE 6700 James Hone, Fall 2011 0 2 4 6 8 10 kx (1/Angstrom) Allowed k vectors for (5,2) tube Page 6 of 15
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PS3_solution - MECE 6700 Problem Set 3 Due on Nov. 5th...

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