Phonon-mediated nuclear spin relaxation in H2O View Full Text


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Article Info

DATE

2017-03-23

AUTHORS

Koichiro Yamakawa, Shinya Azami, Ichiro Arakawa

ABSTRACT

A theoretical model of the phonon-mediated nuclear spin relaxation in H2O trapped by cryomatrices has been established for the first time. In order to test the validity of this model, we measured infrared spectra of H2O trapped in solid Ar, which showed absorption peaks due to rovibrational transitions of ortho- and para-H2O in the spectral region of the bending vibration. We monitored the time evolution of the spectra and analyzed the rotational relaxation associated with the nuclear spin flip to obtain the relaxation rates of H2O at temperatures of 5–15 K. Temperature dependence of the rate is discussed in terms of the devised model. Graphical abstract More... »

PAGES

70

References to SciGraph publications

  • 1992-06. Nuclear spin conversion of methane in pure and rare-gas mixed crystals in ZEITSCHRIFT FÜR PHYSIK B CONDENSED MATTER
  • 2005-06-06. Reconstruction of FCC Crystal Lattice Dynamics from Elastic Moduli in JOURNAL OF LOW TEMPERATURE PHYSICS
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    URI

    http://scigraph.springernature.com/pub.10.1140/epjd/e2017-70642-8

    DOI

    http://dx.doi.org/10.1140/epjd/e2017-70642-8

    DIMENSIONS

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