SEARCH · Engineering Papers

Results for “AC”

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.

SourceResearch connectionFrom yearThrough year

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

At least 451 records · Page 25

All sources NASA NTRS DOE OSTI

DOE OSTI2020

Materials Data on Ac2SiHg by Materials Project

Ac2HgSi is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Hg and four equivalent Si atoms. All Ac–Hg bond lengths are 3.42 Å. All Ac–Si bond lengths are 3.42 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Si is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2NiGe by Materials Project

Ac2NiGe is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Ni and four equivalent Ge atoms. All Ac–Ni bond lengths are 3.30 Å. All Ac–Ge bond lengths are 3.30 Å. Ni is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Ge is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2Mg by Materials Project

Mg(Ac)2 crystallizes in the tetragonal I4/mmm space group. The structure is two-dimensional and consists of two Mg(Ac)2 sheets oriented in the (0, 0, 1) direction. Mg is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. All Mg–Ac bond lengths are 3.58 Å. Ac is bonded in a 4-coordinate geometry to four equivalent Mg atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2MgGa by Materials Project

MgAc2Ga is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. All Mg–Ac bond lengths are 3.47 Å. Ac is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent Ga atoms. All Ac–Ga bond lengths are 3.47 Å. Ga is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2IrRh by Materials Project

Ac2IrRh is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Ir and four equivalent Rh atoms. All Ac–Ir bond lengths are 3.22 Å. All Ac–Rh bond lengths are 3.22 Å. Ir is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Rh is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on LiAc2Sn by Materials Project

LiAc2Sn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Li is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. All Li–Ac bond lengths are 3.51 Å. Ac is bonded in a distorted body-centered cubic geometry to four equivalent Li and four equivalent Sn atoms. All Ac–Sn bond lengths are 3.51 Å. Sn is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2ZnHg by Materials Project

Ac2HgZn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Hg and four equivalent Zn atoms. All Ac–Hg bond lengths are 3.45 Å. All Ac–Zn bond lengths are 3.45 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Zn is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on AcAg2Pb by Materials Project

AcAg2Pb is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a distorted body-centered cubic geometry to eight equivalent Ag and six equivalent Pb atoms. All Ac–Ag bond lengths are 3.27 Å. All Ac–Pb bond lengths are 3.77 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Pb atoms. All Ag–Pb bond lengths are 3.27 Å. Pb is bonded in a distorted body-centered cubic geometry to six equivalent Ac and eight equivalent Ag atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2TlCd by Materials Project

Ac2CdTl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Cd and four equivalent Tl atoms. All Ac–Cd bond lengths are 3.57 Å. All Ac–Tl bond lengths are 3.57 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Tl is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2GaSi by Materials Project

Ac2GaSi is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Ga and four equivalent Si atoms. All Ac–Ga bond lengths are 3.37 Å. All Ac–Si bond lengths are 3.37 Å. Ga is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Si is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2MgPb by Materials Project

MgAc2Pb is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Mg is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. All Mg–Ac bond lengths are 3.59 Å. Ac is bonded in a distorted body-centered cubic geometry to four equivalent Mg and four equivalent Pb atoms. All Ac–Pb bond lengths are 3.59 Å. Pb is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2CdGa by Materials Project

Ac2CdGa is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Cd and four equivalent Ga atoms. All Ac–Cd bond lengths are 3.47 Å. All Ac–Ga bond lengths are 3.47 Å. Cd is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Ga is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on AcNd3 by Materials Project

AcNd3 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ac is bonded to twelve Nd atoms to form AcNd12 cuboctahedra that share corners with six equivalent AcNd12 cuboctahedra, corners with twelve NdAc4Nd8 cuboctahedra, edges with eighteen NdAc4Nd8 cuboctahedra, faces with eight equivalent AcNd12 cuboctahedra, and faces with twelve NdAc4Nd8 cuboctahedra. There are six shorter (3.75 Å) and six longer (3.80 Å) Ac–Nd bond lengths. There are three inequivalent Nd sites. In the first Nd site, Nd is bonded to four equivalent Ac and eight Nd atoms to form NdAc4Nd8 cuboctahedra that share corners with four equivalent AcNd12 cuboctahedra, corners with fourteen NdAc4Nd8 cuboctahedra, edges with six equivalent AcNd12 cuboctahedra, edges with twelve NdAc4Nd8 cuboctahedra, faces with four equivalent AcNd12 cuboctahedra, and faces with sixteen NdAc4Nd8 cuboctahedra. There are a spread of Nd–Nd bond distances ranging from 3.67–3.84 Å. In the second Nd site, Nd is bonded to four equivalent Ac and eight equivalent Nd atoms to form NdAc4Nd8 cuboctahedra that share corners with four equivalent AcNd12 cuboctahedra, corners with fourteen NdAc4Nd8 cuboctahedra, edges with six equivalent AcNd12 cuboctahedra, edges with twelve equivalent NdAc4Nd8 cuboctahedra, faces with four equivalent AcNd12 cuboctahedra, and faces with sixteen NdAc4Nd8 cuboctahedra. In the third Nd site, Nd is bonded to four equivalent Ac and eight equivalent Nd atoms to form NdAc4Nd8 cuboctahedra that share corners with four equivalent AcNd12 cuboctahedra, corners with fourteen NdAc4Nd8 cuboctahedra, edges with six equivalent AcNd12 cuboctahedra, edges with twelve equivalent NdAc4Nd8 cuboctahedra, faces with four equivalent AcNd12 cuboctahedra, and faces with sixteen NdAc4Nd8 cuboctahedra.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on LiAc2Tl by Materials Project

LiAc2Tl is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Li is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. All Li–Ac bond lengths are 3.55 Å. Ac is bonded in a body-centered cubic geometry to four equivalent Li and four equivalent Tl atoms. All Ac–Tl bond lengths are 3.55 Å. Tl is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2ZnAu by Materials Project

Ac2AuZn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Au and four equivalent Zn atoms. All Ac–Au bond lengths are 3.39 Å. All Ac–Zn bond lengths are 3.39 Å. Au is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Zn is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on AcPm3 by Materials Project

AcPm3 is Magnesium-derived structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ac is bonded to twelve Pm atoms to form AcPm12 cuboctahedra that share corners with six equivalent AcPm12 cuboctahedra, corners with twelve PmAc4Pm8 cuboctahedra, edges with eighteen PmAc4Pm8 cuboctahedra, faces with eight equivalent AcPm12 cuboctahedra, and faces with twelve PmAc4Pm8 cuboctahedra. There are six shorter (3.75 Å) and six longer (3.78 Å) Ac–Pm bond lengths. There are three inequivalent Pm sites. In the first Pm site, Pm is bonded to four equivalent Ac and eight Pm atoms to form PmAc4Pm8 cuboctahedra that share corners with four equivalent AcPm12 cuboctahedra, corners with fourteen PmAc4Pm8 cuboctahedra, edges with six equivalent AcPm12 cuboctahedra, edges with twelve PmAc4Pm8 cuboctahedra, faces with four equivalent AcPm12 cuboctahedra, and faces with sixteen PmAc4Pm8 cuboctahedra. There are a spread of Pm–Pm bond distances ranging from 3.67–3.84 Å. In the second Pm site, Pm is bonded to four equivalent Ac and eight Pm atoms to form PmAc4Pm8 cuboctahedra that share corners with four equivalent AcPm12 cuboctahedra, corners with fourteen PmAc4Pm8 cuboctahedra, edges with six equivalent AcPm12 cuboctahedra, edges with twelve PmAc4Pm8 cuboctahedra, faces with four equivalent AcPm12 cuboctahedra, and faces with sixteen PmAc4Pm8 cuboctahedra. There are a spread of Pm–Pm bond distances ranging from 3.67–3.84 Å. In the third Pm site, Pm is bonded to four equivalent Ac and eight Pm atoms to form PmAc4Pm8 cuboctahedra that share corners with four equivalent AcPm12 cuboctahedra, corners with fourteen PmAc4Pm8 cuboctahedra, edges with six equivalent AcPm12 cuboctahedra, edges with twelve PmAc4Pm8 cuboctahedra, faces with four equivalent AcPm12 cuboctahedra, and faces with sixteen PmAc4Pm8 cuboctahedra. There are one shorter (3.67 Å) and one longer (3.84 Å) Pm–Pm bond lengths.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2ZnIn by Materials Project

Ac2ZnIn is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Zn and four equivalent In atoms. All Ac–Zn bond lengths are 3.49 Å. All Ac–In bond lengths are 3.49 Å. Zn is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. In is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗

DOE OSTI2020

Materials Data on Ac2AgPb by Materials Project

Ac2AgPb is Heusler structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. Ac is bonded in a body-centered cubic geometry to four equivalent Ag and four equivalent Pb atoms. All Ac–Ag bond lengths are 3.54 Å. All Ac–Pb bond lengths are 3.54 Å. Ag is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Pb is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗