Engineering Papers⌕ Search

SEARCH · Engineering Papers

Results for “La-Ni-Sn”

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 LaNiSn by Materials Project

LaNiSn is Titanium Disilicide-derived structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. La is bonded in a 1-coordinate geometry to four equivalent Ni and six equivalent Sn atoms. There are a spread of La–Ni bond distances ranging from 2.97–3.27 Å. There are a spread of La–Sn bond distances ranging from 3.24–3.46 Å. Ni is bonded in a 10-coordinate geometry to four equivalent La and four equivalent Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.63–2.76 Å. Sn is bonded in a 10-coordinate geometry to six equivalent La and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗

Materials Data on La3Ni2Sn7 by Materials Project

La3Ni2Sn7 crystallizes in the orthorhombic Cmmm space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 10-coordinate geometry to four equivalent Ni and ten Sn atoms. All La–Ni bond lengths are 3.65 Å. There are a spread of La–Sn bond distances ranging from 3.43–3.57 Å. In the second La site, La is bonded to two equivalent Ni and twelve Sn atoms to form a mixture of distorted corner and face-sharing LaNi2Sn12 cuboctahedra. Both La–Ni bond lengths are 3.56 Å. There are four shorter (3.29 Å) and eight longer (3.40 Å) La–Sn bond lengths. Ni is bonded in a 5-coordinate geometry to five La and five Sn atoms. There are one shorter (2.52 Å) and four longer (2.56 Å) Ni–Sn bond lengths. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 12-coordinate geometry to four La and two equivalent Ni atoms. In the second Sn site, Sn is bonded in a 9-coordinate geometry to six equivalent La, one Ni, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.91 Å. In the third Sn site, Sn is bonded in a square co-planar geometry to four equivalent La atoms. In the fourth Sn site, Sn is bonded in a 12-coordinate geometry to four La and two equivalent Ni atoms.

36 MATERIALS SCIENCE↗

Materials Data on La(NiSn)2 by Materials Project

LaNi2Sn2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La is bonded in a 8-coordinate geometry to eight equivalent Ni and eight equivalent Sn atoms. All La–Ni bond lengths are 3.45 Å. All La–Sn bond lengths are 3.48 Å. Ni is bonded in a 4-coordinate geometry to four equivalent La and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.53 Å. Sn is bonded in a 9-coordinate geometry to four equivalent La, four equivalent Ni, and one Sn atom. The Sn–Sn bond length is 2.90 Å.

36 MATERIALS SCIENCE↗

Materials Data on La(NiSn)2 by Materials Project

LaNi2Sn2 crystallizes in the tetragonal P4/nmm space group. The structure is three-dimensional. La is bonded in a 12-coordinate geometry to eight Ni and eight Sn atoms. There are four shorter (3.34 Å) and four longer (3.44 Å) La–Ni bond lengths. There are four shorter (3.40 Å) and four longer (3.46 Å) La–Sn bond lengths. There are two inequivalent Ni sites. In the first Ni site, Ni is bonded in a 8-coordinate geometry to four equivalent La and four equivalent Sn atoms. All Ni–Sn bond lengths are 2.58 Å. In the second Ni site, Ni is bonded in a 9-coordinate geometry to four equivalent La and five Sn atoms. There are one shorter (2.54 Å) and four longer (2.60 Å) Ni–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 12-coordinate geometry to four equivalent La and four equivalent Ni atoms. In the second Sn site, Sn is bonded in a 9-coordinate geometry to four equivalent La and five Ni atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaNiSn2 by Materials Project

LaNiSn2 crystallizes in the orthorhombic Cmcm space group. The structure is three-dimensional. La is bonded in a 4-coordinate geometry to four equivalent Ni and ten Sn atoms. All La–Ni bond lengths are 3.50 Å. There are a spread of La–Sn bond distances ranging from 3.41–3.65 Å. Ni is bonded in a 5-coordinate geometry to four equivalent La and five Sn atoms. There are one shorter (2.49 Å) and four longer (2.59 Å) Ni–Sn bond lengths. There are two inequivalent Sn sites. In the first Sn site, Sn is bonded in a 1-coordinate geometry to six equivalent La, one Ni, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.87 Å. In the second Sn site, Sn is bonded in a 12-coordinate geometry to four equivalent La and four equivalent Ni atoms.

36 MATERIALS SCIENCE↗

Materials Data on LaNi5Sn by Materials Project

LaNi5Sn crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 6-coordinate geometry to eighteen Ni and two Sn atoms. There are six shorter (2.86 Å) and twelve longer (3.22 Å) La–Ni bond lengths. Both La–Sn bond lengths are 3.23 Å. In the second La site, La is bonded in a 6-coordinate geometry to twelve Ni and six equivalent Sn atoms. There are six shorter (2.99 Å) and six longer (3.23 Å) La–Ni bond lengths. All La–Sn bond lengths are 3.35 Å. There are four inequivalent Ni sites. In the first Ni site, Ni is bonded to three La, seven Ni, and two equivalent Sn atoms to form a mixture of corner, edge, and face-sharing NiLa3Ni7Sn2 cuboctahedra. There are a spread of Ni–Ni bond distances ranging from 2.45–2.52 Å. Both Ni–Sn bond lengths are 2.73 Å. In the second Ni site, Ni is bonded in a 10-coordinate geometry to three equivalent La, three equivalent Ni, and four Sn atoms. There are one shorter (2.61 Å) and three longer (2.99 Å) Ni–Sn bond lengths. In the third Ni site, Ni is bonded in a 12-coordinate geometry to three equivalent La and nine Ni atoms. All Ni–Ni bond lengths are 2.86 Å. In the fourth Ni site, Ni is bonded in a 12-coordinate geometry to three equivalent La and nine Ni atoms. There are three inequivalent Sn sites. In the first Sn site, Sn is bonded in a 1-coordinate geometry to four La and ten Ni atoms. There are one shorter (2.61 Å) and three longer (2.99 Å) Sn–Ni bond lengths. In the second Sn site, Sn is bonded in a 1-coordinate geometry to four La and ten Ni atoms. There are one shorter (3.23 Å) and three longer (3.35 Å) Sn–La bond lengths. All Sn–Ni bond lengths are 2.73 Å. In the third Sn site, Sn is bonded in a 1-coordinate geometry to four La and ten Ni atoms. All Sn–La bond lengths are 3.35 Å. All Sn–Ni bond lengths are 2.73 Å.

36 MATERIALS SCIENCE↗

Materials Data on La4Ni3Sn8 by Materials Project

La4Ni3Sn8 crystallizes in the orthorhombic Pmm2 space group. The structure is three-dimensional. there are four inequivalent La sites. In the first La site, La is bonded in a 4-coordinate geometry to four equivalent Ni and ten Sn atoms. All La–Ni bond lengths are 3.54 Å. There are a spread of La–Sn bond distances ranging from 3.39–3.59 Å. In the second La site, La is bonded in a 4-coordinate geometry to four equivalent Ni and ten Sn atoms. All La–Ni bond lengths are 3.50 Å. There are a spread of La–Sn bond distances ranging from 3.41–3.72 Å. In the third La site, La is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of La–Sn bond distances ranging from 3.38–3.64 Å. In the fourth La site, La is bonded in a 4-coordinate geometry to four equivalent Ni and ten Sn atoms. All La–Ni bond lengths are 3.50 Å. There are a spread of La–Sn bond distances ranging from 3.41–3.65 Å. There are three inequivalent Ni sites. In the first Ni site, Ni is bonded in a 5-coordinate geometry to four equivalent La and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.48–2.59 Å. In the second Ni site, Ni is bonded in a 5-coordinate geometry to four equivalent La and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.50–2.60 Å. In the third Ni site, Ni is bonded in a 5-coordinate geometry to four equivalent La and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.49–2.58 Å. There are eight inequivalent Sn sites. In the first Sn site, Sn is bonded in a 8-coordinate geometry to six La and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.92 Å. In the second Sn site, Sn is bonded in a 1-coordinate geometry to six La, one Ni, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.87 Å. In the third Sn site, Sn is bonded in a 9-coordinate geometry to six La, one Ni, and two equivalent Sn atoms. In the fourth Sn site, Sn is bonded in a 1-coordinate geometry to six La, one Ni, and two equivalent Sn atoms. In the fifth Sn site, Sn is bonded in a 10-coordinate geometry to four La, two equivalent Ni, and four equivalent Sn atoms. All Sn–Sn bond lengths are 3.23 Å. In the sixth Sn site, Sn is bonded in a 12-coordinate geometry to four La and four Ni atoms. In the seventh Sn site, Sn is bonded in a 10-coordinate geometry to four La, two equivalent Ni, and four equivalent Sn atoms. In the eighth Sn site, Sn is bonded in a 12-coordinate geometry to four La and four Ni atoms.

36 MATERIALS SCIENCE↗

Materials Data on La2NiSn4 by Materials Project

La2NiSn4 crystallizes in the monoclinic Pm space group. The structure is three-dimensional. there are two inequivalent La sites. In the first La site, La is bonded in a 10-coordinate geometry to ten Sn atoms. There are a spread of La–Sn bond distances ranging from 3.31–3.58 Å. In the second La site, La is bonded in a 4-coordinate geometry to four equivalent Ni and ten Sn atoms. There are two shorter (3.52 Å) and two longer (3.55 Å) La–Ni bond lengths. There are a spread of La–Sn bond distances ranging from 3.37–3.67 Å. Ni is bonded in a 5-coordinate geometry to four equivalent La and five Sn atoms. There are a spread of Ni–Sn bond distances ranging from 2.50–2.60 Å. There are four inequivalent Sn sites. In the first Sn site, Sn is bonded in a 9-coordinate geometry to six La, one Ni, and two equivalent Sn atoms. Both Sn–Sn bond lengths are 2.92 Å. In the second Sn site, Sn is bonded in a 8-coordinate geometry to six La and two equivalent Sn atoms. In the third Sn site, Sn is bonded in a 10-coordinate geometry to four La, two equivalent Ni, and four equivalent Sn atoms. There are two shorter (3.20 Å) and two longer (3.22 Å) Sn–Sn bond lengths. In the fourth Sn site, Sn is bonded in a 10-coordinate geometry to four La, two equivalent Ni, and four equivalent Sn atoms.

36 MATERIALS SCIENCE↗