Proton spin-lattice relaxation time in ordering VHx alloys |
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| Authors: | G.I. Mamniashvili I.G. Ratishvili Yu.G. Sharimanov |
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| Affiliation: | a E. Andronikashvili Institute of Physics, 6 Tamarashvili street, 0177 Tbilisi, Republic of Georgia
b Institute of Cybernetics, 5 Sandro Euli street, 0186 Tbilisi, Republic of Georgia |
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| Abstract: | Proton spin-lattice relaxation time is determined in VH0.68 and VH0.73 alloys in the temperature range of β1, β2 and δ ordered phases (400-100 K). Experimental results are described in terms of dipole-dipole interaction mechanism. On comparing calculated and experimental data in the complete temperature range the values of temperature dependent activation energy Ea and time constant τ0 are estimated. |
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| Keywords: | A. Alloys D. Nuclear magnetic resonance (NMR) D. Phase transitions D. Diffusion |
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