Results 211 to 220 of about 43,459 (261)

Electron Nuclear Double Resonance Spectroscopy

Science, 1985
Precise information about the molecular structure, stereochemistry, and environment of paramagnetic species can be obtained by electron nuclear double resonance (ENDOR) spectroscopy. This technique has been applied in a wide range of disciplines to liquid-phase, single-crystal, and powder samples.
R S, Eachus, M T, Olm
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Electron Nuclear Double Resonance of Neodymium

Physical Review, 1958
The method of electron nuclear double resonance has recently been employed by Feher for investigation of some solid-state problems. In this letter the application of this method for an investigation of Nd/sup 3+/ in LaCl/sub 3/ crystals is discussed. A tabulation is made of the frequencies so far observed at which the second resonance for Nd/sup 145 ...
Donald Halford, Clyde A. Hutchison, Peter M. Llewellyn   +2 more
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Electron Nuclear Double Resonance

2003
In the previous chapters the usefulness of EPR for the characterization of defect structures was demonstrated. EPR is usually a powerful tool, in particular, for preliminary first information about the main symmetry properties of the defect. If optical detection of magnetic resonance is applicable, additional knowledge about the nature of the defect ...
Johann-Martin Spaeth, Harald Overhof
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Electron Nuclear Double Resonance

Annual Review of Physical Chemistry, 1971
Feher introduced the electron nuclear double resonance or ENDOR technique in 1 956 (1) . In the ensuing 1 5 years several hundred ENDOR­ related articles have been published. However, no general review of the subject has appeared. This may be partially due to the fact that ENDOR results Can be thought of as an extension of the usual paramagnetic ...
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Electron-nuclear double resonance of 55Mn2+ in MgO

Physics Letters A, 1967
Abstract ENDOR techniques were used to determine the cubic crystalline field splitting a, and the nuclear spin Hamiltonian parameters A, gIμN, and U of 55Mn2+ in MgO at 4.2°K. The nuclear magnetic moment of 55Mn has been dereived to be +(3.437 ± 0.005)μN.
Y.H. Eskes, H.W. de Wijn
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Electron-nuclear double resonance (endor) of pitches

Carbon, 1984
Abstract A preliminary study of Electron-Nuclear Double Resonance (ENDOR) has been carried out on carbonaceous pitches and their solutions. Large matrix and hyperfine ENDOR signals have been observed, the former being very sensitive to temperature, i.e. molecular motion.
L.S. Singer, I.C. Lewis
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Electron nuclear double resonance studies on polyacetylene

The Journal of Chemical Physics, 1984
ENDOR measurements have been carried out on trans-polyacetylene and on 0.5 mol % ReF6 doped 70% cis-polyacetylene at 4 K. The pure trans-polyacetylene yields only a single line, but the ReF6 doped material yields two hyperfine couplings to hydrogens of 0.2 and 1.7 MHz. Calculations suggest the average chain length of the soliton is 93 carbon atoms. The
Gareth J. Baker, J. Barrie Raynor, Adam Pron   +2 more
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Electron nuclear double resonance.

1963
The subject of this thesis is the work done in the Eaton Electronics Research Laboratory as a beginning of a programme of studies of double resonance. The aim of this work is to find out the conditions under which the best ENDOR signal can be obtained.
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Field-Cycled Electron Nuclear Double Resonance

The Journal of Physical Chemistry, 1994
An electron nuclear double resonance experiment is described which allows the detection of zero-field nuclear quadrupole resonance transitions by observing the unpaired electron spins under field cycling conditions. The feasibility of this kind of experiment is demonstrated by the detection at 2 K of pure deuteron quadrupole transitions in diamagnetic ...
J. Krzystek, M. Notter, Alvin L. Kwiram
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Electron-nuclear double resonance of copper complexes of human transferrin

Biochimica et Biophysica Acta (BBA) - Protein Structure and Molecular Enzymology, 1983
Electron-nuclear double resonance (ENDOR) spectroscopy has been used to study ligand and copper hyperfine interactions in Cu(II) complexes of human transferrin. A nearly isotropic superhyperfine interaction of the Cu(II) spin with a single 14N nucleus was identified, and the principal values of its tensor were estimated.
J E, Roberts, T G, Brown, B M, Hoffman, P, Aisen   +3 more
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