Superhyperfine

Author: ldge

August undefined, 2024

WebMay 1, 1974 · Oxygen - 17 superhyperfine structure of transition metal ions in MgO. Author links open overlay panel A. Schoenberg, J.T. Suss, S. Szapiro, Z. Luz WebJun 3, 2024 · The interactions may be of two types: (1) the hyperfine interaction—the unpaired electron interacting with the nucleus having a nuclear spin belongs to the same atom; and (2) the superhyperfine interaction—the unpaired electron interacting with the nucleus having a nuclear spin belongs to a different atom in the molecule.

Superfine - definition of superfine by The Free Dictionary

WebJul 6, 2013 · The results of observation and simulation of the superhyperfine (ligand hyperfine) structure (SHFS) of the electron paramagnetic resonance (EPR) spectra of rare … WebUsing low-frequency ESR (2-4 GHz) at 77 K, we have resolved the nitrogen superhyperfine structure in the g parallel region. A computer simulation method has been developed for … havan itajai site

Hyperfine Splitting - Chemistry LibreTexts

WebSep 1, 2010 · The superhyperfine interaction can have contributions from both a magnetic dipole–dipole interaction, which is easy to model, and an exchange interaction, which is more difficult to model. The relative contribution of the exchange interaction decreases with increasing separation of the interacting ions. WebSynonyms for superfine in Free Thesaurus. Antonyms for superfine. 1 synonym for superfine: overrefined. What are synonyms for superfine? WebThis result and the observation of a P-31 superhyperfine coupling pattern of 1:2:1 relative intensity in EPR spectra established that chelation of VO2+ occurs through phosphate groups in a bidentate fashion with oxygen atoms positioned in the equatorial plane to form a [VO(GMP)(2)(H2O)] complex. Specific assignments of proton ENDOR absorptions ... havan itajai

17 superhyperfine structure of transition metal ions in MgO

Superfine - definition of superfine by The Free Dictionary

WebLetter to the Editor L2 1 100 G Figure 2. The EPR spectrum recorded at the KLY band ( Y = 36 GHz).H 11 C,.The inset defines the axes of the model. The principal values of the gtensor are oriented as follows: gZ2 11 y; g,,, g,, are in the (x, z) plane; and g3, forms an angle of LY = 8" with respect to the C4 axis which is vertical in the figure. at 36 GHz and 4.2 K (on a … WebHyperfine, Superhyperfine, Fine Structures Hyperfine, Superhyperfine, Fine Structures. Paul Meriaudeau 3 & Younès Ben Taarit 4 Conference paper ... radio finlandia ohjelmat tänäänWebThe hyperfine tensor of the transferred proton and thc superhyperfine tensors of the hydrogen-bonded protons in the neighboring NH₃+ groups were determined. The results … havan jaqueta feminina plus size

"WebDec 1, 1999 · With electron paramagnetic resonance (EPR) and electron nuclear double resonance (ENDOR) the surrounding of the activator Eu 2+ was investigated in SrFCl single crystals. The analysis of the Eu 2+ superhyperfine interaction with the nuclei of the next fluorine shells yielded that Eu 2+ substitutes for Sr 2+ and is not shifted from a regular … " - Superhyperfine

Superhyperfine

WebSome of the calculations presented in a previous paper [W. B. Mims, Phys. Rev. B 5, 2409 (1972)] have been extended in order to make it easier to find the amplitudes of the superhyperfine-frequency components in two- and three-pulse envelopes when I > 1 2.A simple recipe is given for deriving the stimulated-echo result from the two-pulse-echo result. Webence of the superhyperfine structure of both U3+ and Nd3+ ions. This differs considerably from the results of [3], where the superhyperfine structure at B ⊥ c was observed only for U3+ ions. Perhaps, this result is caused by a low concentration of doping ions (~0.01 at %). Figure 4 shows the EPR spectrum of Nd 3+ and U ions in LiYF 4 at B ⊥ ...

Did you know?

WebTo facilitate structural investigation in this field, we report a quantum chemical investigation of structural, EPR superhyperfine, and NMR hyperfine properties of various copper … WebThe obtained parameters for the c-axis and the magnetic z-axis coincident are Besides the hyperfine lines, both systems exhibit a partly resolved superhyperfine structure due to an …

WebJan 1, 1977 · Such a superhyperfine splitting (HHFS) originates from a delocalization of the unpaired d-electrons over the anions, or alternatively the covalency of the anion-cation bond. The same phenomena play an important role in the superexchange interaction between paramagnetic ions. Hence a systematic study of the HHFS in a series of related … WebUsing low-frequency ESR (2-4 GHz) at 77 K, we have resolved the nitrogen superhyperfine structure in the g parallel region. A computer simulation method has been developed for distinguishing between three and four nitrogen donor atoms.

WebOct 16, 2010 · A superhyperfine structure of the EPR spectrum of Ce3+ ions in the LiTmF4 Van Vleck paramagnet has been observed in the external magnetic field B oriented along the crystallographic axis c (B ‖ c). The superhyperfine structure of the EPR soectra of the Ce3+ ions in the LiYF4 and LiLuF4 diamagnetic matrices is resolved for B ⊥ c. Possible ... WebJan 30, 2024 · Superhyperfine Splitting. Further splitting may occur by the unpaired electron if the electron is subject to the influence of multiple sets of equivalent nuclei. This …

WebThe discovery of superhyperfine structure demonstrated conclusively that some covalent bonding to neighbouring ions exists. With few exceptions, the magnetic moments of …

WebMethyl-coenzyme M reductase, responsible for the biological production of methane by catalyzing the reaction between coenzymes B (CoBS-H) and M (H3C-SCoM), hosts in its core an F430 cofactor with the low-valent NiI ion. The critical methanogenic step involves F430-assisted reductive cleavage of the H3C–S bond in coenzyme M, yielding the transient CH3 … radioimunoensaiosWebJan 1, 1981 · INTRODUCTION The superhyperfine interactions for (3d)" ions, without ground state orbital degeneracy (n - 3, 5, 8), in octa- hedral sites of fluorides are commonly interpreted within a simple L.C.A.O.-M.O. framework in which the electron spin is located in an antibonding M.O. Experimental results are converted into terms of transferred spin den … havanista rumWebAug 27, 2024 · superhyperfine ( not comparable ) ( physics) Describing the further splitting of the lines in a hyperfine structure due to additional couplings between quantum states. … havan itajai sao judas