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Frequency-domain linewidth in 10-average as a function of χ for different concentrations of ferrofluids.
(a) The procedures for T1 measurement in a field B0,z = 102 µT, and (b) the intensity of the frequency-domain spin-echo signals as a function of td for distilled water and ferrofluids in 10-average.
1/T1 and 1/T2 as a function of χ for ferrofluids in the same field, B0,z = 102 μT at (a) 24.3 °C and (b) 37.2 °C.
Temperature dependence of 1/T2 for ferrofluids with χ = 4.8 × 10−4 emu/g and χ = 1.44 × 10−4 emu/g.
Temperature dependence of 1/T1 and 1/T2 for a ferrofluid with χ = 1.44 × 10−4 emu/g.
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