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All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on YbGa2Ir by Materials Project

YbIrGa2 is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Yb is bonded in a distorted body-centered cubic geometry to six equivalent Ir and eight equivalent Ga atoms. All Yb–Ir bond lengths are 3.21 Å. All Yb–Ga bond lengths are 2.78 Å. Ir is bonded in a distorted body-centered cubic geometry to six equivalent Yb and eight equivalent Ga atoms. All Ir–Ga bond lengths are 2.78 Å. Ga is bonded in a body-centered cubic geometry to four equivalent Yb and four equivalent Ir atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb2(Ga3Ir)3 by Materials Project

Yb2(IrGa3)3 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. Yb is bonded in a 11-coordinate geometry to eleven Ga atoms. There are a spread of Yb–Ga bond distances ranging from 3.05–3.13 Å. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a 8-coordinate geometry to eight Ga atoms. There are a spread of Ir–Ga bond distances ranging from 2.56–2.63 Å. In the second Ir site, Ir is bonded in a 8-coordinate geometry to eight Ga atoms. There are four shorter (2.60 Å) and four longer (2.62 Å) Ir–Ga bond lengths. There are four inequivalent Ga sites. In the first Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Yb, two equivalent Ir, and six Ga atoms. There are two shorter (2.76 Å) and four longer (2.78 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 3-coordinate geometry to three equivalent Yb, three Ir, and five Ga atoms. There are a spread of Ga–Ga bond distances ranging from 2.79–2.92 Å. In the third Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Yb, three Ir, and five Ga atoms. There are one shorter (2.76 Å) and two longer (2.86 Å) Ga–Ga bond lengths. In the fourth Ga site, Ga is bonded in a 10-coordinate geometry to two equivalent Yb, two equivalent Ir, and six Ga atoms. The Ga–Ga bond length is 2.74 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb3Ga8Ir3 by Materials Project

Yb3Ir3Ga8 crystallizes in the orthorhombic Immm space group. The structure is three-dimensional. there are two inequivalent Yb sites. In the first Yb site, Yb is bonded in a 12-coordinate geometry to four equivalent Ir and twelve Ga atoms. All Yb–Ir bond lengths are 3.44 Å. There are four shorter (3.20 Å) and eight longer (3.28 Å) Yb–Ga bond lengths. In the second Yb site, Yb is bonded in a 12-coordinate geometry to four Ir and eight Ga atoms. There are two shorter (3.05 Å) and two longer (3.07 Å) Yb–Ir bond lengths. There are four shorter (3.02 Å) and four longer (3.19 Å) Yb–Ga bond lengths. There are two inequivalent Ir sites. In the first Ir site, Ir is bonded in a 8-coordinate geometry to four equivalent Yb and four equivalent Ga atoms. All Ir–Ga bond lengths are 2.56 Å. In the second Ir site, Ir is bonded in a 12-coordinate geometry to four Yb and six Ga atoms. There are two shorter (2.54 Å) and four longer (2.62 Å) Ir–Ga bond lengths. There are two inequivalent Ga sites. In the first Ga site, Ga is bonded in a 9-coordinate geometry to three Yb, three Ir, and three equivalent Ga atoms. There are two shorter (2.66 Å) and one longer (2.74 Å) Ga–Ga bond lengths. In the second Ga site, Ga is bonded in a 1-coordinate geometry to four Yb, one Ir, and three equivalent Ga atoms.

36 MATERIALS SCIENCE↗