Gas phase equilibria in the system Ga-As-Zn.
Optical absorption method to determine arsenic and zinc vapor pressure along liquidus lines in Ga- As-Zn ternary phase diagrams at various temperatures
Allen, J. W.↗
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Materials Data on Zn3As2 by Materials Project
Zn3As2 crystallizes in the tetragonal P4_2/nmc space group. The structure is three-dimensional. there are three inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four As3- atoms to form a mixture of edge and corner-sharing ZnAs4 tetrahedra. There are a spread of Zn–As bond distances ranging from 2.49–2.84 Å. In the second Zn2+ site, Zn2+ is bonded to four As3- atoms to form a mixture of distorted edge and corner-sharing ZnAs4 tetrahedra. There are a spread of Zn–As bond distances ranging from 2.50–2.89 Å. In the third Zn2+ site, Zn2+ is bonded to four As3- atoms to form a mixture of edge and corner-sharing ZnAs4 tetrahedra. There are a spread of Zn–As bond distances ranging from 2.44–2.72 Å. There are three inequivalent As3- sites. In the first As3- site, As3- is bonded in a 6-coordinate geometry to six Zn2+ atoms. In the second As3- site, As3- is bonded in a 6-coordinate geometry to six Zn2+ atoms. In the third As3- site, As3- is bonded in a 6-coordinate geometry to six Zn2+ atoms.
36 MATERIALS SCIENCE↗
Materials Data on ZnAs2 by Materials Project
ZnAs2 crystallizes in the monoclinic P2_1/c space group. The structure is three-dimensional. there are two inequivalent Zn2+ sites. In the first Zn2+ site, Zn2+ is bonded to four As1- atoms to form ZnAs4 tetrahedra that share corners with four ZnAs4 tetrahedra and corners with four AsZn2As2 tetrahedra. There are a spread of Zn–As bond distances ranging from 2.45–2.51 Å. In the second Zn2+ site, Zn2+ is bonded to four As1- atoms to form ZnAs4 tetrahedra that share corners with four ZnAs4 tetrahedra and corners with four AsZn2As2 tetrahedra. There are a spread of Zn–As bond distances ranging from 2.49–2.54 Å. There are four inequivalent As1- sites. In the first As1- site, As1- is bonded to two equivalent Zn2+ and two As1- atoms to form distorted AsZn2As2 tetrahedra that share corners with four ZnAs4 tetrahedra and corners with four AsZn2As2 tetrahedra. Both As–As bond lengths are 2.49 Å. In the second As1- site, As1- is bonded in a 4-coordinate geometry to two Zn2+ and two As1- atoms. The As–As bond length is 2.46 Å. In the third As1- site, As1- is bonded in a 4-coordinate geometry to two Zn2+ and two As1- atoms. The As–As bond length is 2.45 Å. In the fourth As1- site, As1- is bonded to two equivalent Zn2+ and two As1- atoms to form distorted AsZn2As2 tetrahedra that share corners with four ZnAs4 tetrahedra and corners with four AsZn2As2 tetrahedra.
36 MATERIALS SCIENCE↗
Materials Data on Zn3As2 by Materials Project
Zn3As2 crystallizes in the cubic Pn-3m space group. The structure is three-dimensional. Zn2+ is bonded to four equivalent As3- atoms to form a mixture of corner and edge-sharing ZnAs4 tetrahedra. All Zn–As bond lengths are 2.58 Å. As3- is bonded in a 6-coordinate geometry to six equivalent Zn2+ atoms.
36 MATERIALS SCIENCE↗
Materials Data on ZnAs3 by Materials Project
ZnAs3 is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Zn2+ is bonded in a body-centered cubic geometry to eight equivalent As+0.67- atoms. All Zn–As bond lengths are 2.90 Å. There are two inequivalent As+0.67- sites. In the first As+0.67- site, As+0.67- is bonded in a distorted body-centered cubic geometry to four equivalent Zn2+ and four equivalent As+0.67- atoms. All As–As bond lengths are 2.90 Å. In the second As+0.67- site, As+0.67- is bonded in a body-centered cubic geometry to eight equivalent As+0.67- atoms.
36 MATERIALS SCIENCE↗