Experimental comparison of diffusional nuclear magnetic relaxation theories using ZrH1.684

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Abstract

The spin-lattice relaxation time of hydrogen in ZrH1.684 was measured at a resonance frequency of 16.69 MHz as a function of temperature in a temperature range where the major relaxation mechanism was hydrogen diffusion. This parameter was used to calculate the hydrogen jump frequencies using the theories of Bloembergen, Purcell and Pound (BPP), of Bustard and of Barton and Sholl. A comparison shows that the BPP theory gives results closest to Arrhenius-type behaviour. The diffusional activation energy was found to be 13.3 kcal mol-1.

Original languageEnglish
Pages (from-to)113-117
Number of pages5
JournalJournal of the Less-Common Metals
Volume104
Issue number1
DOIs
StatePublished - 3 Dec 1984

ASJC Scopus subject areas

  • Engineering (all)

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