Engineering Papers⌕ Search

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.

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

At least 469 records · Page 26
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Ac2CdGe by Materials Project

Ac2CdGe 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 Ge atoms. All Ac–Cd bond lengths are 3.45 Å. All Ac–Ge bond lengths are 3.45 Å. Cd 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 AcSc3 by Materials Project

AcSc3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ac is bonded to twelve Sc atoms to form AcSc12 cuboctahedra that share corners with six equivalent AcSc12 cuboctahedra, corners with twelve ScAc4Sc8 cuboctahedra, edges with eighteen ScAc4Sc8 cuboctahedra, faces with eight equivalent AcSc12 cuboctahedra, and faces with twelve ScAc4Sc8 cuboctahedra. All Ac–Sc bond lengths are 3.49 Å. There are three inequivalent Sc sites. In the first Sc site, Sc is bonded to four equivalent Ac and eight Sc atoms to form distorted ScAc4Sc8 cuboctahedra that share corners with four equivalent AcSc12 cuboctahedra, corners with fourteen ScAc4Sc8 cuboctahedra, edges with six equivalent AcSc12 cuboctahedra, edges with twelve ScAc4Sc8 cuboctahedra, faces with four equivalent AcSc12 cuboctahedra, and faces with sixteen ScAc4Sc8 cuboctahedra. There are a spread of Sc–Sc bond distances ranging from 3.33–3.64 Å. In the second Sc site, Sc is bonded to four equivalent Ac and eight Sc atoms to form distorted ScAc4Sc8 cuboctahedra that share corners with four equivalent AcSc12 cuboctahedra, corners with fourteen ScAc4Sc8 cuboctahedra, edges with six equivalent AcSc12 cuboctahedra, edges with twelve ScAc4Sc8 cuboctahedra, faces with four equivalent AcSc12 cuboctahedra, and faces with sixteen ScAc4Sc8 cuboctahedra. There are a spread of Sc–Sc bond distances ranging from 3.33–3.64 Å. In the third Sc site, Sc is bonded to four equivalent Ac and eight Sc atoms to form distorted ScAc4Sc8 cuboctahedra that share corners with four equivalent AcSc12 cuboctahedra, corners with fourteen ScAc4Sc8 cuboctahedra, edges with six equivalent AcSc12 cuboctahedra, edges with twelve ScAc4Sc8 cuboctahedra, faces with four equivalent AcSc12 cuboctahedra, and faces with sixteen ScAc4Sc8 cuboctahedra. Both Sc–Sc bond lengths are 3.38 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ac2CdHg by Materials Project

Ac2HgCd 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 Cd atoms. All Ac–Hg bond lengths are 3.52 Å. All Ac–Cd bond lengths are 3.52 Å. Hg is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Cd is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcSnHg2 by Materials Project

AcHg2Sn 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 Hg and six equivalent Sn atoms. All Ac–Hg bond lengths are 3.34 Å. All Ac–Sn bond lengths are 3.86 Å. Hg is bonded in a distorted body-centered cubic geometry to four equivalent Ac and four equivalent Sn atoms. All Hg–Sn bond lengths are 3.34 Å. Sn is bonded in a 8-coordinate geometry to six equivalent Ac and eight equivalent Hg atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ac2InGa by Materials Project

Ac2InGa 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 In and four equivalent Ga atoms. All Ac–In bond lengths are 3.50 Å. All Ac–Ga bond lengths are 3.50 Å. In 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 Ac2TlIn by Materials Project

Ac2TlIn 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 Tl and four equivalent In atoms. All Ac–Tl bond lengths are 3.58 Å. All Ac–In bond lengths are 3.58 Å. Tl 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 Ac2YbMg by Materials Project

MgAc2Yb 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 3.65 Å. Ac is bonded in a distorted body-centered cubic geometry to four equivalent Mg and four equivalent Yb atoms. All Ac–Yb bond lengths are 3.65 Å. Yb is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Li2AcAl by Materials Project

Li2AcAl 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 four equivalent Ac and four equivalent Al atoms. All Li–Ac bond lengths are 3.12 Å. All Li–Al bond lengths are 3.12 Å. Ac is bonded in a distorted body-centered cubic geometry to eight equivalent Li and six equivalent Al atoms. All Ac–Al bond lengths are 3.60 Å. Al is bonded in a distorted body-centered cubic geometry to eight equivalent Li and six equivalent Ac atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcSnPd2 by Materials Project

AcPd2Sn 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 eight equivalent Pd and six equivalent Sn atoms. All Ac–Pd bond lengths are 3.12 Å. All Ac–Sn bond lengths are 3.60 Å. Pd is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Sn atoms. All Pd–Sn bond lengths are 3.12 Å. Sn is bonded in a distorted body-centered cubic geometry to six equivalent Ac and eight equivalent Pd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ac2CuRu by Materials Project

Ac2RuCu 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 Ru and four equivalent Cu atoms. All Ac–Ru bond lengths are 3.23 Å. All Ac–Cu bond lengths are 3.23 Å. Ru is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Cu is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcZn2Cd by Materials Project

AcCdZn2 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 six equivalent Cd and eight equivalent Zn atoms. All Ac–Cd bond lengths are 3.65 Å. All Ac–Zn bond lengths are 3.16 Å. Cd is bonded in a 8-coordinate geometry to six equivalent Ac and eight equivalent Zn atoms. All Cd–Zn bond lengths are 3.16 Å. Zn is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent Cd atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcRh2Pb by Materials Project

AcRh2Pb 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 Rh and six equivalent Pb atoms. All Ac–Rh bond lengths are 3.07 Å. All Ac–Pb bond lengths are 3.55 Å. Rh is bonded in a distorted body-centered cubic geometry to four equivalent Ac and four equivalent Pb atoms. All Rh–Pb bond lengths are 3.07 Å. Pb is bonded in a 8-coordinate geometry to six equivalent Ac and eight equivalent Rh atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcSm3 by Materials Project

AcSm3 is beta Cu3Ti-like structured and crystallizes in the hexagonal P6_3/mmc space group. The structure is three-dimensional. Ac is bonded to twelve Sm atoms to form AcSm12 cuboctahedra that share corners with six equivalent AcSm12 cuboctahedra, corners with twelve SmAc4Sm8 cuboctahedra, edges with eighteen SmAc4Sm8 cuboctahedra, faces with eight equivalent AcSm12 cuboctahedra, and faces with twelve SmAc4Sm8 cuboctahedra. There are six shorter (3.73 Å) and six longer (3.76 Å) Ac–Sm bond lengths. There are three inequivalent Sm sites. In the first Sm site, Sm is bonded to four equivalent Ac and eight Sm atoms to form SmAc4Sm8 cuboctahedra that share corners with four equivalent AcSm12 cuboctahedra, corners with fourteen SmAc4Sm8 cuboctahedra, edges with six equivalent AcSm12 cuboctahedra, edges with twelve SmAc4Sm8 cuboctahedra, faces with four equivalent AcSm12 cuboctahedra, and faces with sixteen SmAc4Sm8 cuboctahedra. There are a spread of Sm–Sm bond distances ranging from 3.63–3.82 Å. In the second Sm site, Sm is bonded to four equivalent Ac and eight Sm atoms to form SmAc4Sm8 cuboctahedra that share corners with four equivalent AcSm12 cuboctahedra, corners with fourteen SmAc4Sm8 cuboctahedra, edges with six equivalent AcSm12 cuboctahedra, edges with twelve SmAc4Sm8 cuboctahedra, faces with four equivalent AcSm12 cuboctahedra, and faces with sixteen SmAc4Sm8 cuboctahedra. There are a spread of Sm–Sm bond distances ranging from 3.63–3.82 Å. In the third Sm site, Sm is bonded to four equivalent Ac and eight Sm atoms to form SmAc4Sm8 cuboctahedra that share corners with four equivalent AcSm12 cuboctahedra, corners with fourteen SmAc4Sm8 cuboctahedra, edges with six equivalent AcSm12 cuboctahedra, edges with twelve SmAc4Sm8 cuboctahedra, faces with four equivalent AcSm12 cuboctahedra, and faces with sixteen SmAc4Sm8 cuboctahedra. There are one shorter (3.63 Å) and one longer (3.82 Å) Sm–Sm bond lengths.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ca3Ac by Materials Project

Ca3Ac is alpha bismuth trifluoride structured and crystallizes in the cubic Fm-3m space group. The structure is three-dimensional. there are two inequivalent Ca sites. In the first Ca site, Ca is bonded in a body-centered cubic geometry to four equivalent Ca and four equivalent Ac atoms. All Ca–Ca bond lengths are 3.80 Å. All Ca–Ac bond lengths are 3.80 Å. In the second Ca site, Ca is bonded in a 8-coordinate geometry to eight equivalent Ca and six equivalent Ac atoms. All Ca–Ac bond lengths are 4.38 Å. Ac is bonded in a distorted body-centered cubic geometry to fourteen Ca atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on AcInAg2 by Materials Project

AcAg2In 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 eight equivalent Ag and six equivalent In atoms. All Ac–Ag bond lengths are 3.22 Å. All Ac–In bond lengths are 3.72 Å. Ag is bonded in a body-centered cubic geometry to four equivalent Ac and four equivalent In atoms. All Ag–In bond lengths are 3.22 Å. In 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 Ac2MgTl by Materials Project

MgAc2Tl 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 3.58 Å. Ac is bonded in a body-centered cubic geometry to four equivalent Mg and four equivalent Tl atoms. All Ac–Tl bond lengths are 3.58 Å. Tl is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba3Ac by Materials Project

Ba3Ac is beta Cu3Ti-like structured and crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. there are two inequivalent Ba sites. In the first Ba site, Ba is bonded to eight Ba and four equivalent Ac atoms to form BaBa8Ac4 cuboctahedra that share corners with twelve equivalent BaBa8Ac4 cuboctahedra, edges with eight equivalent AcBa12 cuboctahedra, edges with sixteen BaBa8Ac4 cuboctahedra, faces with four equivalent AcBa12 cuboctahedra, and faces with fourteen BaBa8Ac4 cuboctahedra. There are four shorter (4.29 Å) and four longer (4.34 Å) Ba–Ba bond lengths. All Ba–Ac bond lengths are 4.34 Å. In the second Ba site, Ba is bonded to eight equivalent Ba and four equivalent Ac atoms to form BaBa8Ac4 cuboctahedra that share corners with four equivalent BaBa8Ac4 cuboctahedra, corners with eight equivalent AcBa12 cuboctahedra, edges with twenty-four BaBa8Ac4 cuboctahedra, faces with six equivalent AcBa12 cuboctahedra, and faces with twelve BaBa8Ac4 cuboctahedra. All Ba–Ac bond lengths are 4.29 Å. Ac is bonded to twelve Ba atoms to form AcBa12 cuboctahedra that share corners with four equivalent AcBa12 cuboctahedra, corners with eight equivalent BaBa8Ac4 cuboctahedra, edges with eight equivalent AcBa12 cuboctahedra, edges with sixteen equivalent BaBa8Ac4 cuboctahedra, faces with four equivalent AcBa12 cuboctahedra, and faces with fourteen BaBa8Ac4 cuboctahedra.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ac2TlSn by Materials Project

Ac2TlSn 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 Tl and four equivalent Sn atoms. All Ac–Tl bond lengths are 3.56 Å. All Ac–Sn bond lengths are 3.56 Å. Tl is bonded in a body-centered cubic geometry to eight equivalent Ac atoms. Sn is bonded in a body-centered cubic geometry to eight equivalent Ac atoms.

36 MATERIALS SCIENCE↗