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At least 19 records
All sourcesNASA NTRSDOE OSTI
DOE OSTI2020

Materials Data on Er(PRu)2 by Materials Project

ErRu2P2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Er is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Er–Ru bond lengths are 3.12 Å. All Er–P bond lengths are 3.10 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Er and four equivalent P atoms. All Ru–P bond lengths are 2.35 Å. P is bonded in a 9-coordinate geometry to four equivalent Er, four equivalent Ru, and one P atom. The P–P bond length is 2.36 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sm(PRu)2 by Materials Project

Sm(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sm2+ is bonded in a distorted body-centered cubic geometry to eight equivalent P3- atoms. All Sm–P bond lengths are 3.14 Å. Ru2+ is bonded to four equivalent P3- atoms to form a mixture of edge and corner-sharing RuP4 tetrahedra. All Ru–P bond lengths are 2.36 Å. P3- is bonded in a 9-coordinate geometry to four equivalent Sm2+, four equivalent Ru2+, and one P3- atom. The P–P bond length is 2.51 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on PRu by Materials Project

Ru(P) is Modderite structured and crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Ru3+ is bonded to six equivalent P3- atoms to form a mixture of distorted corner, edge, and face-sharing RuP6 octahedra. The corner-sharing octahedra tilt angles range from 43–59°. There are a spread of Ru–P bond distances ranging from 2.35–2.54 Å. P3- is bonded in a 8-coordinate geometry to six equivalent Ru3+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Th(PRu)2 by Materials Project

ThRu2P2 crystallizes in the orthorhombic Pnma space group. The structure is three-dimensional. Th is bonded in a 1-coordinate geometry to five Ru and eight P atoms. There are a spread of Th–Ru bond distances ranging from 3.11–3.26 Å. There are a spread of Th–P bond distances ranging from 2.89–3.43 Å. There are two inequivalent Ru sites. In the first Ru site, Ru is bonded in a 12-coordinate geometry to two equivalent Th and four P atoms. There are a spread of Ru–P bond distances ranging from 2.24–2.46 Å. In the second Ru site, Ru is bonded in a 12-coordinate geometry to three equivalent Th and five P atoms. There are a spread of Ru–P bond distances ranging from 2.36–2.58 Å. There are two inequivalent P sites. In the first P site, P is bonded in a 10-coordinate geometry to four equivalent Th, four Ru, and two equivalent P atoms. Both P–P bond lengths are 2.61 Å. In the second P site, P is bonded in a 9-coordinate geometry to four equivalent Th and five Ru atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Eu(PRu)2 by Materials Project

Eu(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Eu2+ is bonded in a body-centered cubic geometry to eight equivalent P3- atoms. All Eu–P bond lengths are 3.26 Å. Ru2+ is bonded to four equivalent P3- atoms to form a mixture of edge and corner-sharing RuP4 tetrahedra. All Ru–P bond lengths are 2.33 Å. P3- is bonded in a 8-coordinate geometry to four equivalent Eu2+ and four equivalent Ru2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Sr(PRu)2 by Materials Project

SrRu2P2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Sr2+ is bonded in a body-centered cubic geometry to eight equivalent P3- atoms. All Sr–P bond lengths are 3.33 Å. Ru2+ is bonded to four equivalent P3- atoms to form a mixture of edge and corner-sharing RuP4 tetrahedra. All Ru–P bond lengths are 2.33 Å. P3- is bonded in a 8-coordinate geometry to four equivalent Sr2+ and four equivalent Ru2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ba(PRu)2 by Materials Project

Ba(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ba2+ is bonded in a body-centered cubic geometry to eight equivalent P3- atoms. All Ba–P bond lengths are 3.46 Å. Ru2+ is bonded to four equivalent P3- atoms to form a mixture of edge and corner-sharing RuP4 tetrahedra. All Ru–P bond lengths are 2.33 Å. P3- is bonded in a 8-coordinate geometry to four equivalent Ba2+ and four equivalent Ru2+ atoms.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ho(PRu)2 by Materials Project

Ho(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ho is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Ho–Ru bond lengths are 3.13 Å. All Ho–P bond lengths are 3.10 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Ho and four equivalent P atoms. All Ru–P bond lengths are 2.35 Å. P is bonded in a 9-coordinate geometry to four equivalent Ho, four equivalent Ru, and one P atom. The P–P bond length is 2.38 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Nd(PRu)2 by Materials Project

Nd(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Nd2+ is bonded in a distorted body-centered cubic geometry to eight equivalent P3- atoms. All Nd–P bond lengths are 3.17 Å. Ru2+ is bonded to four equivalent P3- atoms to form a mixture of corner and edge-sharing RuP4 tetrahedra. All Ru–P bond lengths are 2.36 Å. P3- is bonded in a 9-coordinate geometry to four equivalent Nd2+, four equivalent Ru2+, and one P3- atom. The P–P bond length is 2.62 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Yb(PRu)2 by Materials Project

Yb(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Yb2+ is bonded in a distorted body-centered cubic geometry to eight equivalent P3- atoms. All Yb–P bond lengths are 3.14 Å. Ru2+ is bonded to four equivalent P3- atoms to form a mixture of corner and edge-sharing RuP4 tetrahedra. All Ru–P bond lengths are 2.34 Å. P3- is bonded in a 9-coordinate geometry to four equivalent Yb2+, four equivalent Ru2+, and one P3- atom. The P–P bond length is 2.50 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Y(PRu)2 by Materials Project

Y(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Y is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Y–Ru bond lengths are 3.14 Å. All Y–P bond lengths are 3.11 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Y and four equivalent P atoms. All Ru–P bond lengths are 2.36 Å. P is bonded in a 9-coordinate geometry to four equivalent Y, four equivalent Ru, and one P atom. The P–P bond length is 2.41 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Dy(PRu)2 by Materials Project

Dy(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Dy is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Dy–Ru bond lengths are 3.14 Å. All Dy–P bond lengths are 3.11 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Dy and four equivalent P atoms. All Ru–P bond lengths are 2.35 Å. P is bonded in a 9-coordinate geometry to four equivalent Dy, four equivalent Ru, and one P atom. The P–P bond length is 2.39 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Pr(PRu)2 by Materials Project

PrRu2P2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Pr is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Pr–Ru bond lengths are 3.26 Å. All Pr–P bond lengths are 3.19 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Pr and four equivalent P atoms. All Ru–P bond lengths are 2.36 Å. P is bonded in a 9-coordinate geometry to four equivalent Pr, four equivalent Ru, and one P atom. The P–P bond length is 2.74 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Tb(PRu)2 by Materials Project

TbRu2P2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Tb is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Tb–Ru bond lengths are 3.15 Å. All Tb–P bond lengths are 3.11 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Tb and four equivalent P atoms. All Ru–P bond lengths are 2.36 Å. P is bonded in a 9-coordinate geometry to four equivalent Tb, four equivalent Ru, and one P atom. The P–P bond length is 2.41 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Ce(PRu)2 by Materials Project

Ce(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Ce is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Ce–Ru bond lengths are 3.18 Å. All Ce–P bond lengths are 3.14 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Ce and four equivalent P atoms. All Ru–P bond lengths are 2.37 Å. P is bonded in a 9-coordinate geometry to four equivalent Ce, four equivalent Ru, and one P atom. The P–P bond length is 2.48 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on Gd(PRu)2 by Materials Project

Gd(RuP)2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. Gd is bonded in a 8-coordinate geometry to eight equivalent Ru and eight equivalent P atoms. All Gd–Ru bond lengths are 3.16 Å. All Gd–P bond lengths are 3.13 Å. Ru is bonded in a 12-coordinate geometry to four equivalent Gd and four equivalent P atoms. All Ru–P bond lengths are 2.36 Å. P is bonded in a 9-coordinate geometry to four equivalent Gd, four equivalent Ru, and one P atom. The P–P bond length is 2.45 Å.

36 MATERIALS SCIENCE↗
DOE OSTI2020

Materials Data on La(PRu)2 by Materials Project

LaRu2P2 crystallizes in the tetragonal I4/mmm space group. The structure is three-dimensional. La2+ is bonded in a body-centered cubic geometry to eight equivalent P3- atoms. All La–P bond lengths are 3.26 Å. Ru2+ is bonded to four equivalent P3- atoms to form a mixture of edge and corner-sharing RuP4 tetrahedra. All Ru–P bond lengths are 2.34 Å. P3- is bonded in a 8-coordinate geometry to four equivalent La2+ and four equivalent Ru2+ atoms.

36 MATERIALS SCIENCE↗
NASA NTRS1996

Seed-to-seed growth of superdwarf wheat and arabidopsis using red light-emitting diodes (LED's): A report on baseline tests conducted for NASA's proposed Plant Research Unit (PRU)

To determine the influence of narrow-spectrum red light-emitting diodes (LED's) on plant growth and seed production, wheat (Triticum aestivum L.cv Superdwarf) and Arabidopsis (Arabidopsis thaliana (L.) Heynh, race Columbia) plants were grown under red LED's (peak emission 660 nm) and compared to plants grown under daylight fluorescent (white) light and red LED's supplemented with either 1 percent or 10 percent blue fluorescent (BF) light. Wheat growth under red LED's alone appeared normal, whereas Arabidopsis under red LED's alone developed curled leaf margins and a spiraling growth pattern. Both wheat and Arabidopsis under red LED's alone or red LED's + 1 percent BF light had significantly lower seed yield than plants grown under white light. However, the addition of 10 percent BF light to red LED's partially alleviated the adverse effect of red LED's on yield. Irrespective of the light treatment, viable seeds were produced by wheat(75-92 percent germination rate) and Arabidopsis (85-100 percent germination rate). These results indicate that wheat, and to a lesser extent Arabidopsis, can be successfully grown under red LED's alone, but supplemental blue light is required with red LED's to sufficiently match the growth characteristics and seed yield associated with plants grown under white light.

Goins, G. D.↗