Spin-lattice relaxation in ionic solids
Read Online

Spin-lattice relaxation in ionic solids

  • 252 Want to read
  • ·
  • 56 Currently reading

Published by Harper & Row in New York, London .
Written in English

Book details:

Edition Notes

Statementedited by A.A. Manenkov & R. Orbach.
SeriesHarper"s physics series
ContributionsManenkov, A. A., Orbach, R.
The Physical Object
Pagination453p. :
Number of Pages453
ID Numbers
Open LibraryOL18698433M

Download Spin-lattice relaxation in ionic solids


Relaxation in Magnetic Resonance contains a series of lecture notes for a special topics course at the University of South Carolina in This book contains 21 chapters that summarize the main theoretical formulations and experimental results of magnetic resonance relaxation phenomena in several physical systems. During nuclear magnetic resonance observations, spin–lattice relaxation is the mechanism by which the component of the total nuclear magnetic moment vector which is parallel to the constant magnetic field 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. Michael Stöcker, in Studies in Surface Science and Catalysis, g) Cross Polarization (CP) The spin-lattice relaxation times T 1 in solids can be very long and the recording time for a simple NMR spectrum of a solid could be extremely long without any experimental improvement. On the other hand, the transversal relaxation times T 2 are usually short.. Since T 1 controls the . Spin-lattice relaxation of heavy spin-1/2 nuclei in diamagnetic solids: A Raman pr ocess mediated by spin-rotation interaction Alexander J. V ega, 1, * .

Abstract. The first paper on this subject was by Waller 1 in His calculations, appearing before any of the relaxation measurements of Gorter 2 and his co-workers, involved both spin-spin and spinlattice interactions in paramagnetic salts. Waller considered that the mechanism by which the spin system relaxed to the lattice was essentially through modulation of the inter Author: K. J. Standley, R. A. Vaughan. T 1 Relaxation (Spin-Lattice Relaxation): gain and loss of magnetization in the z-direction. NMR lines are at least as wide as specified by the Heisenberg Uncertainty Principle broadening due to inherent lifetime of spin states (the actual width is governed by T 2).   Spin—Lattice Relaxation in Ionic Solids Introduction The Jahn-Teller Effect The Hamiltonian Terms The Orbit-Lattice Interaction Calculation of Direct Process for Ti3+ Calculation of Raman Process for Ti3+ Concluding Remarks References Orbach Processes in Rare Earths Introduction Book Edition: 1. from book Ionic Liquids, Molten Salts and Polyelectrolytes (pp) 8Li spin-lattice relaxation in the liquid alloys Li-Bi and Li-Pb Chapter January with 40 Reads.

T1 relaxation is the process by which the net magnetization (M) grows/returns to its initial maximum value (Mo) parallel to Bo.S ynonyms for T1 relaxation include longitudinal relaxation, thermal relaxation and spin-lattice meanings and implications of these synonyms will become apparent shortly. Electron spin–lattice relaxation times of 2,2,6,6-tetramethylpiperidineoxyl (TEMPO) and 4-hydroxy-TEMPO (TEMPOL), in X-band microwave frequency, were measured by the pulse saturation recovery technique in three room-temperature ionic liquids ([bmim][BF4], [emim][BF4], and [bmim][PF6]), di-isononyl phthalate, and sec-butyl benzene. The Cited by: 4. Nuclear magnetic resonance was originally used to examine solids in the form of lattices, hence the name "spin-lattice" relaxation. Two other forms of relaxation are the T2 relaxation time (spin-spin relaxation) and T2* relaxation. T1 relaxation is . The quality of the MRI images depends on three NMR main parameters (the proton spin density, the nuclear spin-lattice relaxation time T1, and the spin-spin relaxation time T2), and the contrast agents (CAs), based on the different distribution of nuclear-spin density along the body, are able to improve the image contrast by increasing (locally) the nuclear relaxation rates [2].