cF88-Pr2Zr2O7 (Direct)

cF88–Pr2Zr2O7 (Direct)

../_images/structure347.jpg

Image of cF88–Pr2Zr2O7 (Direct), generated by Vesta

Lattice Vectors:

\[\begin{split}a_1 &= 1/\sqrt{2}~\hat{y} + 1/\sqrt{2}~\hat{z}\\ a_2 &= 1/\sqrt{2}~\hat{x} + 1/\sqrt{2}~\hat{z}\\ a_3 &= 1/\sqrt{2}~\hat{x} + 1/\sqrt{2}~\hat{y}\\\end{split}\]

Space Group: 227

Point Group of Structure: \(m\bar{3}m\)

Structure DOI: https://doi.org/10.1021/ic902020r

Photonics DOI: Gap(s) for space group 227 above band(s) 2 theorized in: https://doi.org/10.1038/nmat979

Source: Crystallographic Open Database #4303938

MPB Epsilon Input File: Download

Gap Atlas for \(\varepsilon = 16\)

../_images/gap_atlas-16342.png

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

Gap Atlas for \(\varepsilon = 14\)

../_images/gap_atlas-14343.png

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

Gap Atlas for \(\varepsilon = 12\)

../_images/gap_atlas-12287.png

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

Gap Atlas for \(\varepsilon = 10\)

../_images/gap_atlas-10222.png

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

Gap between Bands 2-3

Below is the band structure and isosurface of cF88–Pr2Zr2O7 (Direct) at dielectric contrast \(\varepsilon = 16\), radius \(r = 0.155\) and filling fraction \(\phi = 0.434\).

../_images/band_diagram_b=249.jpg

Band Structure across first Brillouin Zone.

../_images/cF88-Pr2Zr2O7@gap_2-3.png

View along \(a_1\).