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At least 37 records · Page 2
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on U(CoSi)2 by Materials Project

UCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. U4+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All U–Si bond lengths are 2.99 Å. Co2+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.28 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent U4+, four equivalent Co2+, and one Si4- atom. The Si–Si bond length is 2.40 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Er(CoSi)2 by Materials Project

ErCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Er3+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Er–Si bond lengths are 3.00 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.27 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Er3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.47 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tm(CoSi)2 by Materials Project

TmCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tm3+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Tm–Si bond lengths are 2.99 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.27 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Tm3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.46 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb(CoSi)2 by Materials Project

TbCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb4+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Tb–Si bond lengths are 3.02 Å. Co2+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.28 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Tb4+, four equivalent Co2+, and one Si4- atom. The Si–Si bond length is 2.52 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce(CoSi)2 by Materials Project

CeCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ce4+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Ce–Si bond lengths are 3.06 Å. Co2+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.29 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Ce4+, four equivalent Co2+, and one Si4- atom. The Si–Si bond length is 2.56 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd(CoSi)2 by Materials Project

NdCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Nd3+ is bonded in a body-centered cubic geometry to eight equivalent Si4- atoms. All Nd–Si bond lengths are 3.09 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.29 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Nd3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.66 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Pr(CoSi)2 by Materials Project

PrCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Pr3+ is bonded in a body-centered cubic geometry to eight equivalent Si4- atoms. All Pr–Si bond lengths are 3.11 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.29 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Pr3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.71 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La(CoSi)2 by Materials Project

LaCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La3+ is bonded in a body-centered cubic geometry to eight equivalent Si4- atoms. All La–Si bond lengths are 3.14 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.30 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent La3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.81 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Zr(CoSi)2 by Materials Project

ZrCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Zr4+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Zr–Si bond lengths are 2.90 Å. Co2+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.25 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Zr4+, four equivalent Co2+, and one Si4- atom. The Si–Si bond length is 2.36 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho(CoSi)2 by Materials Project

HoCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ho3+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Ho–Si bond lengths are 3.01 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.27 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Ho3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.49 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(CoSi)2 by Materials Project

DyCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy3+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Dy–Si bond lengths are 3.01 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of corner and edge-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.27 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Dy3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.50 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu(CoSi)2 by Materials Project

EuCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu3+ is bonded in a body-centered cubic geometry to eight equivalent Si4- atoms. All Eu–Si bond lengths are 3.10 Å. Co+2.50+ is bonded to four equivalent Si4- atoms to form a mixture of corner and edge-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.30 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Eu3+, four equivalent Co+2.50+, and one Si4- atom. The Si–Si bond length is 2.66 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th(CoSi)2 by Materials Project

ThCo2Si2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Th4+ is bonded in a distorted body-centered cubic geometry to eight equivalent Si4- atoms. All Th–Si bond lengths are 3.13 Å. Co2+ is bonded to four equivalent Si4- atoms to form a mixture of edge and corner-sharing CoSi4 tetrahedra. All Co–Si bond lengths are 2.31 Å. Si4- is bonded in a 9-coordinate geometry to four equivalent Th4+, four equivalent Co2+, and one Si4- atom. The Si–Si bond length is 2.58 Å.

36 MATERIALS SCIENCE↗
NASA NTRS1993

Ballistic-Charge-Carrier Spectroscopy Of CoSi(2)/Si Interfaces

Report discusses experiments in which ballistic-electron-emission microscopy (BEEM) and related ballistic-hole and charge-carrier-scattering spectroscopies used to investigate transport of electric-charge carriers (electrons and holes) in epitaxial CoSi2/Si system.

Hecht, Michael H.↗