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Double Resonance - an overview | ScienceDirect Topics

The principle of double resonance (DR) consists of the detection of a weak signal from one type of nucleus when directly detecting changes in the strong signal from another type of nucleus. Thus, the studied sample must contain two types of nuclei, N Q and N P , with one of them (e.g. N P ) having a strong nuclear resonance signal.

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Double Resonance - an overview | ScienceDirect Topics

Double Resonance The principle of double resonance (DR) consists of in the detection of a weak signal from one type of nuclei when directly detecting changes in the strong signal from the another type of nuclei.

Double-Resonance Techniques

demonstrated the technique of electron-nuclear double resonance (ENDOR).1 His brilliant contribution makes it possible in some cases to obtain otherwise missing details of hyperfine interaction. In many systems, the ENDOR technique completely removes ambiguities. It may provide a wealth of detail about the wavefunction of the unpaired electron.

Electron nuclear double resonance - Wikipedia

Double electron-nuclear-double resonance (Double ENDOR) requires the application of two rf (RF1 and RF2) fields to the sample. The change in signal intensity of RF1 is observed while RF2 is swept through the spectrum. [5]

Double resonance - SlideShare

Double resonance 1. DOUBLE RESONANCE IN NMR PRESENTED BY GUIDED BY PRIYANKA GOSWAMI Dr. RAJA CHAKROBARTY M.PHARM ASSOCIATE PROFESSOR DEPARTMENT OF PHARMACY DEPARTMENT OF PHARMACY ASSAM DOWN TOWN UNIVERSITY ASSAM DOWN TOWN UNIVERSITY

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Double-Resonance Spectroscopy | SpringerLink

Double Resonance Probe Laser Rotational Relaxation Rotational Energy Transfer Transient Nutation These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Resonance - An Introduction to Chemistry

Thus any resonance structure that includes a double bond to fluorine is not considered a reasonable resonance structure. Thus, although fluoroethene, CH 2 CHF, has a double bond and an adjacent atom with a lone pair (components that suggest the possibility resonance), only one of its two hypothetical resonance structures is reasonable:

Enhanced Second Harmonic Generation in Double‐Resonance ...

double-resonance structures to maximize re-emission into the far-field is highly promising for the development of nonlinear light sources. However, the majority of these designs require components that possess complex nanostructured architec-tures and precise control of the resonance frequencies, which

Resonance in organic chemistry and bond length [with examples]

When you have two or more bonds, and they have equivalent bond lengths, you can draw dashed bonds to show that the resonance structure is constantly changing and the bonds are constantly moving and interconverting between the two structures. This is referred to as a “resonance hybrid”, where the resonance bond is delocalized.

Intervalley scattering by acoustic phonons in two-dimensional ...

Double-resonance Raman scattering is a sensitive spectroscopic probe of the interplay between electrons and phonons in a crystal.