Matches in SemOpenAlex for { <https://semopenalex.org/work/W2892719954> ?p ?o ?g. }
- W2892719954 abstract "We report on magnetic resonance force microscopy measurements of the Boltzmann polarization of nuclear spins in copper by detecting the frequency shift of a soft cantilever. We use the time-dependent solution of the Bloch equations to derive a concise equation describing the effect of radio-frequent (RF) magnetic fields on both on- and off-resonant spins in high magnetic field gradients. We then apply this theory to saturation experiments performed on a 100 nm thick layer of copper, where we use the higher modes of the cantilever as a source of the RF field. We demonstrate a detection volume sensitivity of only (40nm)3, corresponding to about 1.6×104 polarized copper nuclear spins. We propose an experiment on protons where, with the appropriate technical improvements, frequency-shift based magnetic resonance imaging with a resolution better than (10nm)3 could be possible. Achieving this resolution would make imaging based on the Boltzmann polarization competitive with the more traditional stochastic spin-fluctuation based imaging, with the possibility to work at millikelvin temperatures." @default.
- W2892719954 created "2018-10-05" @default.
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- W2892719954 date "2019-02-26" @default.
- W2892719954 modified "2023-09-27" @default.
- W2892719954 title "Feasibility of imaging in nuclear magnetic resonance force microscopy using Boltzmann polarization" @default.
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- W2892719954 doi "https://doi.org/10.1063/1.5064449" @default.
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