STRUTTURA DELLA MATERIA 1 - 24 Sep. 2020 - solutions
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5 components; 21 mm
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a square of side 2π/a, centered at the origin;
a square with corners (0, 2π/a), (2π/a, 0), (0, -2π/a), (-2π/a, 0);
area enclosed = (2π/a)²/2 = 50% area(1BZ);
3.9 eV
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105 pm; 1.942×10-26 J/K; 1.381×10-23 J/K
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1.756×107 m-1
