tI8-YMn2 (Direct)

tI8–YMn₂ (Direct)

Image of tI8–YMn₂ (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= -0.5783430911~\hat{x} + 0.5783430911~\hat{y} + 0.5753594859~\hat{z}\\ a_2 &= 0.5783430911~\hat{x} - 0.5783430911~\hat{y} + 0.5753594859~\hat{z}\\ a_3 &= 0.5783430911~\hat{x} + 0.5783430911~\hat{y} - 0.5753594859~\hat{z}\\\end{split}\]

Space Group: 141

Point Group of Structure: \(4/mmm\)

Structure DOI: https://doi.org/10.1088/0953-8984/3/33/023

Photonics DOI: Gap(s) for space group 141 above band 2 theorized in: https://doi.org/10.1103/PhysRevLett.121.263903,

Gap(s) above band(s) 14 not previously studied

Source: Crystallographic Open Database #1524241

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

Gap Atlas for \(\varepsilon\) = 16 across filling fraction \(\phi\) and frequency \(\omega\).

Gap Atlas for \(\varepsilon = 14\)

Gap Atlas for \(\varepsilon\) = 14 across filling fraction \(\phi\) and frequency \(\omega\).

Gap Atlas for \(\varepsilon = 12\)

Gap Atlas for \(\varepsilon\) = 12 across filling fraction \(\phi\) and frequency \(\omega\).

Gap Atlas for \(\varepsilon = 10\)

Gap Atlas for \(\varepsilon\) = 10 across filling fraction \(\phi\) and frequency \(\omega\).

Gap Atlas for \(\varepsilon = 8\)

Gap Atlas for \(\varepsilon\) = 8 across filling fraction \(\phi\) and frequency \(\omega\).

Gap Atlas for \(\varepsilon = 6\)

Gap Atlas for \(\varepsilon\) = 6 across filling fraction \(\phi\) and frequency \(\omega\).

Gap between Bands 2-3

Below is the band structure and isosurface of tI8–YMn₂ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.29\) and filling fraction \(\phi = 0.502\).

Band Structure across first Brillouin Zone.

View rotated \(45^{\circ}\) about \(a_3\) and elevated \(0^{\circ}\).

Gap between Bands 14-15

Below is the band structure and isosurface of tI8–YMn₂ (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.2\) and filling fraction \(\phi = 0.174\).

Band Structure across first Brillouin Zone.

View along \(a_1\).