Publication

Transverse relaxation of multiple quantum coherence in nuclear magnetic resonance as a probe of molecular motion

Geoffrey Bodenhausen
1978
Journal Articles

Abstract

Two-dimensional Fourier-transform techniques were used to observe the deuteron double quantum transition for DC.tbd.CCN and CDCl3 partially oriented in a nematic solvent. Obsd. linewidths agree well with those calcd. from appropriate spin-lattice relaxation measurements, demonstrating the potential of multiple quantum linewidths for studies of relaxation and mol. dynamics. [on SciFinder (R)]

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Geoffrey Bodenhausen
1978
Journal Articles

Abstract

Official source

Related concepts (32)

Spin–lattice relaxation

During nuclear magnetic resonance observations, spin–lattice relaxation is the mechanism by which the longitudinal component of the total nuclear magnetic moment vector (parallel to the constant magnetic field) exponentially relaxes from a higher energy, non-equilibrium state to thermodynamic equilibrium with its surroundings (the "lattice"). It is characterized by the spin–lattice relaxation time, a time constant known as T1.

Spin–spin relaxation

In physics, the spin–spin relaxation is the mechanism by which Mxy, the transverse component of the magnetization vector, exponentially decays towards its equilibrium value in nuclear magnetic resonance (NMR) and magnetic resonance imaging (MRI). It is characterized by the spin–spin relaxation time, known as T2, a time constant characterizing the signal decay. It is named in contrast to T1, the spin–lattice relaxation time.

Nuclear magnetic resonance

Nuclear magnetic resonance (NMR) is a physical phenomenon in which nuclei in a strong constant magnetic field are perturbed by a weak oscillating magnetic field (in the near field) and respond by producing an electromagnetic signal with a frequency characteristic of the magnetic field at the nucleus. This process occurs near resonance, when the oscillation frequency matches the intrinsic frequency of the nuclei, which depends on the strength of the static magnetic field, the chemical environment, and the magnetic properties of the isotope involved; in practical applications with static magnetic fields up to ca.

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Transverse relaxation of multiple quantum coherence in nuclear magnetic resonance as a probe of molecular motion

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