Results 211 to 220 of about 6,053,605 (298)

Comparative energy level parametrizations for lanthanide ions in octahedral symmetry environments

Journal of Alloys and Compounds, 1995
Abstract New experimental datasets are presented for the energy levels of tripositive lanthanide ions situated in octahedral symmetry environments, in elpasolite lattices. The freely varying atomic parameters derived from energy level parametrizations of the new datasets show empirical relations with atomic number. The magnitudes of the crystal field
Peter A. Tanner, V.V. Ravi Kanth Kumar, C.K. Jayasankar, Michael F. Reid   +3 more
semanticscholar   +4 more sources

Comparison of 7FJ←5DO emission spectra for Eu(III) in crystalline environments of octahedral, near-octahedral, and trigonal symmetry

Chemical Physics Letters, 1983
Abstract Isotropic 7FJ←5DO emission spectra are reported for Eu(III) in four different crystalline system. These systems differ with respect to Eu(III) site symmetry, coordination number, coordination geometry, and the chemical nature of the coordinated ligands.
Andrew F. Kirby, David R. Foster, F. S. Richardson   +2 more
semanticscholar   +4 more sources

Modeling Spin Interactions in a Cyclic Trimer and a Cuboidal Co₄O₄ Core with Co(II) in Tetrahedral and Octahedral Environments

Journal of the American Chemical Society, 2005
The X-ray crystallographic structures, the magnetic susceptibilities from 2 to 300 K, and a theoretical analysis of the magnetism for a triangular and a tetranuclear molecule consisting of linked high-spin cobalt(II) centers are described. The interpretation of the magnetic data for the triangular compound [Co(depa)Cl](3) (depa is the anion of 2,2 ...
John F. Berry, F. Albert Cotton, Chun Y. Liu, Xingqiang Lü, C.A. Murillo, Boris Tsukerblat, D. Villagrán, Xiaoping Wang   +7 more
semanticscholar   +5 more sources

Magnetic Susceptibility of Yb3+ in an Octahedral Environment

The Journal of Chemical Physics, 1971
The magnetic susceptibility of Yb3+ in Cs2NaYbCl6 was measured from 2.5 to 100°K and showed Curie–Weiss temperature dependence from 2.5 to 20°K (μeff = 2.46 μB, θ = 0.95°C) and from 45 to 100°K (μeff = 4.47 μB, θ = 70°C), with a transitional region from 20–45°K.
D.G. Karraker
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Direct measurement of octahedral and tetrahedral site environments in NiZn-ferrites

IEEE Transactions on Magnetics, 1995
The local environment of metal ions in a series of spin-sprayed Ni/sub 0.15/Zn/sub y/Fe/sub 2.85-y/O/sub 4/ (y=0.16, 0.23, 0.40, 0.60) films have been studied using extended X-ray absorption fine structure (EXAFS). Fourier transforms of the EXAFS data show peaks which are identified with specific local atom correlations within the spinel ferrite unit ...
V. Harris, N. Koon, C. Williams, Q. Zhang, M. Abe, J. Kirkland, D. McKeown   +6 more
semanticscholar   +3 more sources

Magnetic susceptibility of 249Cf in an octahedral environment

The Journal of Chemical Physics, 1976
The magnetic susceptibility of Cf3+ doped into Cs2NaYCl6 is reported over the temperature range 2.2 to 100°K.(AIP)
D.G. Karraker, B. D. Dunlap
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ChemInform Abstract: Cs2H2Si(P2O7)2, Novel Example of Si in Octahedral Oxygen Environment.

ChemInform, 1993
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable via the “References” option.
K. KOENIGSTEIN, Martin Jansen
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ChemInform Abstract: Amorphous Aluminosilicates Containing Trivalent Chromium in a Non‐Octahedral Coordination Environment.

Chemischer Informationsdienst, 1985
AbstractDurch Behandeln von amorphem Na‐Alumosilicat mit 0.1 M Cr(III)‐Lösungen werden infolge Kationenaustausches bis 5.8 Gew.‐% Cr enthaltende amorphe Alumosilicate erhalten.
Djordje Stojaković, Dejan Vasović
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ChemInform Abstract: Octahedral Clusters with Mixed Inner Ligand Environment: Self‐Assembly, Modification and Isomerism [PDF]

ChemInform, 2015
AbstractReview: 106 refs.
Н.Г. Наумов, Konstantin A. Brylev, Yuri V. Mironov, Stéphane Cordier, В.Е. Федоров   +4 more
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Hyperfine electric field gradients and local distortion environments of octahedrally coordinated Fe²⁺

American Mineralogist, 2005
We report ab initio electronic structure calculations that directly relate given local chemical and distortion environments to corresponding hyperfine electric field gradients (EFGs) in 5 7 Fe Mossbauer spectroscopy, thereby giving needed interpretive power to the technique in characterizing V I Fe 2 + environments in minerals. Changes of the EFG
R. J. Evans, Denis Rancourt, Michael Grodzicki   +2 more
openalex   +3 more sources