Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “BiTeO4”

Search indexed NASA NTRS and DOE OSTI research on propulsion, heat transfer, battery materials and energy systems. Follow report and document links to the original sources.

Quote a phrase for an exact phrase match. Source license links do not imply unrestricted reuse.

Materials Data on BiTeO4 by Materials Project

BiTeO4 crystallizes in the triclinic P1 space group. The structure is three-dimensional. there are four inequivalent Bi2+ sites. In the first Bi2+ site, Bi2+ is bonded in a 7-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.19–2.72 Å. In the second Bi2+ site, Bi2+ is bonded in a 5-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.20–2.65 Å. In the third Bi2+ site, Bi2+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Bi–O bond distances ranging from 2.18–2.47 Å. In the fourth Bi2+ site, Bi2+ is bonded in a distorted square pyramidal geometry to five O2- atoms. There are a spread of Bi–O bond distances ranging from 2.25–2.56 Å. There are four inequivalent Te6+ sites. In the first Te6+ site, Te6+ is bonded in a 4-coordinate geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.89–2.27 Å. In the second Te6+ site, Te6+ is bonded in a see-saw-like geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.87–2.29 Å. In the third Te6+ site, Te6+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Te–O bond distances ranging from 1.95–2.58 Å. In the fourth Te6+ site, Te6+ is bonded in a distorted rectangular see-saw-like geometry to four O2- atoms. There are a spread of Te–O bond distances ranging from 1.91–2.26 Å. There are sixteen inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one O2- atom. The O–O bond length is 1.47 Å. In the second O2- site, O2- is bonded in a distorted water-like geometry to one Bi2+ and one Te6+ atom. In the third O2- site, O2- is bonded in a distorted bent 120 degrees geometry to two Te6+ atoms. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to two Te6+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to two Bi2+ and one Te6+ atom. In the seventh O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to one Bi2+ and two Te6+ atoms. In the eighth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Bi2+ and one Te6+ atom. In the ninth O2- site, O2- is bonded in a 3-coordinate geometry to one Bi2+ and two Te6+ atoms. In the tenth O2- site, O2- is bonded in a 1-coordinate geometry to one Bi2+ and two Te6+ atoms. In the eleventh O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Bi2+ and one Te6+ atom. In the twelfth O2- site, O2- is bonded in a 2-coordinate geometry to two Bi2+ and one Te6+ atom. In the thirteenth O2- site, O2- is bonded in a distorted bent 150 degrees geometry to one Bi2+ and one Te6+ atom. In the fourteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one O2- atom. In the fifteenth O2- site, O2- is bonded in a distorted L-shaped geometry to one Bi2+ and one O2- atom. The O–O bond length is 1.48 Å. In the sixteenth O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+, one Te6+, and one O2- atom.

36 MATERIALS SCIENCE↗

Materials Data on BiTeO4 by Materials Project

BiTeO4 crystallizes in the monoclinic Cc space group. The structure is three-dimensional. there are two inequivalent Bi2+ sites. In the first Bi2+ site, Bi2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.24–2.76 Å. In the second Bi2+ site, Bi2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.36–2.71 Å. There are two inequivalent Te6+ sites. In the first Te6+ site, Te6+ is bonded to five O2- atoms to form distorted corner-sharing TeO5 square pyramids. The corner-sharing octahedra tilt angles range from 48–60°. There are a spread of Te–O bond distances ranging from 1.92–2.48 Å. In the second Te6+ site, Te6+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. There are a spread of Te–O bond distances ranging from 1.95–2.04 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one Te6+ atom. In the second O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Bi2+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one Te6+ atom. In the fifth O2- site, O2- is bonded in a 4-coordinate geometry to two Bi2+ and two Te6+ atoms. In the sixth O2- site, O2- is bonded in a 2-coordinate geometry to one Bi2+ and two Te6+ atoms. In the seventh O2- site, O2- is bonded in a 1-coordinate geometry to one Bi2+ and two Te6+ atoms. In the eighth O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one Te6+ atom.

36 MATERIALS SCIENCE↗

Materials Data on BiTeO4 by Materials Project

BiTeO4 crystallizes in the monoclinic C2 space group. The structure is three-dimensional. there are three inequivalent Bi2+ sites. In the first Bi2+ site, Bi2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.34–2.70 Å. In the second Bi2+ site, Bi2+ is bonded in a 8-coordinate geometry to eight O2- atoms. There are a spread of Bi–O bond distances ranging from 2.41–2.52 Å. In the third Bi2+ site, Bi2+ is bonded in a 6-coordinate geometry to six O2- atoms. There are a spread of Bi–O bond distances ranging from 2.23–2.78 Å. There are two inequivalent Te6+ sites. In the first Te6+ site, Te6+ is bonded to six O2- atoms to form corner-sharing TeO6 octahedra. There are a spread of Te–O bond distances ranging from 1.95–2.03 Å. In the second Te6+ site, Te6+ is bonded to five O2- atoms to form distorted corner-sharing TeO5 square pyramids. The corner-sharing octahedra tilt angles range from 48–59°. There are a spread of Te–O bond distances ranging from 1.92–2.43 Å. There are eight inequivalent O2- sites. In the first O2- site, O2- is bonded in a 3-coordinate geometry to one Bi2+ and two Te6+ atoms. In the second O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one Te6+ atom. In the third O2- site, O2- is bonded in a 3-coordinate geometry to two Bi2+ and one Te6+ atom. In the fourth O2- site, O2- is bonded in a 3-coordinate geometry to one Bi2+ and two Te6+ atoms. In the fifth O2- site, O2- is bonded in a distorted trigonal non-coplanar geometry to two Bi2+ and one Te6+ atom. In the sixth O2- site, O2- is bonded in a distorted trigonal planar geometry to two Bi2+ and one Te6+ atom. In the seventh O2- site, O2- is bonded in a 3-coordinate geometry to one Bi2+ and two Te6+ atoms. In the eighth O2- site, O2- is bonded in a 4-coordinate geometry to three Bi2+ and one Te6+ atom.

36 MATERIALS SCIENCE↗