22 lines
398 B
Matlab
22 lines
398 B
Matlab
function fermi = fermi_from_carrier_density(carrier_density)
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if carrier_density > 0
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sf = 1;
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else
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sf = -1;
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end
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carrier_density = abs(carrier_density);
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a = 0.246e-9; % lattice constant (m)
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t = 2.8; % eV
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hbar = 6.626e-34 / (2*pi); % Js
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root_3_over_2 = sqrt(3) / 2;
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fermi_velocity_eq = (root_3_over_2 * a * ev_to_j(t))^2;
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fermi = sf * sqrt(carrier_density * pi * fermi_velocity_eq);
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end
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