class sknano.structures.SWNTMixin[source][source]

Mixin class for nanotube classes.


Ch SWNT circumference \(|\mathbf{C}_h|\) in
Ch_vec SWNT chiral vector.
Lz SWNT length \(L_z = L_{\mathrm{tube}}\) in nanometers.
M \(M = np - nq\)
N Number of graphene hexagons in nanotube unit cell.
Natoms Number of atoms in nanotube.
Natoms_per_tube Number of atoms in nanotube \(N_{\mathrm{atoms/tube}}\).
Natoms_per_unit_cell Number of atoms in nanotube unit cell.
Ntubes Number of nanotubes.
R Symmetry vector \(\mathbf{R} = (p, q)\).
T Length of nanotube unit cell \(|\mathbf{T}|\) in Å.
Tvec SWNT translation vector.
chiral_angle Chiral angle \(\theta_c\) in degrees.
chiral_type SWNT chiral type.
d \(d=\gcd{(n, m)}\)
dR \(d_R=\gcd{(2n + m, 2m + n)}\)
dt Nanotube diameter \(d_t = \frac{|\mathbf{C}_h|}{\pi}\) in Å.
electronic_type SWNT electronic type.
linear_mass_density Linear mass density of nanotube in g/nm.
m Chiral index \(m\).
n Chiral index \(n\).
nz Number of nanotube unit cells along the \(z\)-axis.
rt Nanotube radius \(r_t = \frac{|\mathbf{C}_h|}{2\pi}\) in Å.
t1 \(t_{1} = \frac{2m + n}{d_{R}}\)
t2 \(t_2 = -\frac{2n + m}{d_R}\)
tube_length Alias for SWNT.Lz
tube_mass SWNT mass in grams.
unit_cell_mass Unit cell mass in atomic mass units.
unit_cell_symmetry_params Tuple of SWNT unit cell symmetry parameters.