Abstract

NMR studies were carried out on three isotopes, 71Ga, 69Ga, and 115In, in liquid gallium-indium (Ga–In) alloy embedded into porous glasses with 200 and 5nm pore sizes at two magnetic fields, 9.4 and 17.6T. Spin-lattice relaxation and the Knight shift were found to depend on pore size. For porous glass with 5nm pores the relaxation rate was field-dependent which evidenced that the extreme narrowing limit was no longer valid. Magnetization recovery data were used to evaluate the correlation times of atomic mobility and the quadrupole constants under nanoconfinement.

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