Titanium Knight shift in titanium hydride

S. D. Goren, C. Korn, H. Riesemeier, E. Rössler, K. Lüders

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14 Scopus citations


The titanium Knight shift was measured at room temperature as a function of hydrogen concentration in TiHx and as a function of temperature for TiH2. In contrast to hexagonal Ti metal, the close-lying Ti47 and Ti49 resonances were resolved in TiH2 even in the tetragonal phase. The shift in TiH2 was found to be temperature dependent, varying from (0.252±0.001)% at room temperature to (0.312±0.001)% at 180 K. It was consistent with previously measured hydrogen-spin-lattice-relaxation times and with accepted band-structure models. The accuracy of the hydrogen-concentration dependence of the Knight shift was much lower due to vacancy-induced quadrupolar interactions and the resultant inability to resolve the Ti47 and Ti49 resonances. The Knight shift was only slightly concentration dependent over the entire range, having a value of about 0.25%, but jumping suddenly to 0.55% at x=1.5. This was accompanied by a widely separated doubly peaked resonance line, We speculate on the cause of this jump and the resultant line shape.

Original languageEnglish
Pages (from-to)6917-6923
Number of pages7
JournalPhysical Review B
Issue number10
StatePublished - 1 Jan 1986

ASJC Scopus subject areas

  • Condensed Matter Physics


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