Constant-adiabaticity radiofrequency pulses for generating long-lived singlet spin states in NMR
A method is implemented to perform “fast” adiabatic variation of the spin Hamiltonian by imposing the constant adiabaticity condition. The method is applied to improve the performance of singlet-state Nuclear Magnetic Resonance (NMR) experiments, specifically, for efficient generation and readout of...
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| Veröffentlicht in: | The Journal of chemical physics 2019-02, Vol.150 (6), p.064201-064201 |
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| container_title | The Journal of chemical physics |
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| creator | Rodin, Bogdan A. Sheberstov, Kirill F. Kiryutin, Alexey S. Hill-Cousins, Joseph T. Brown, Lynda J. Brown, Richard C. D. Jamain, Baptiste Zimmermann, Herbert Sagdeev, Renad Z. Yurkovskaya, Alexandra V. Ivanov, Konstantin L. |
| description | A method is implemented to perform “fast” adiabatic variation of the spin Hamiltonian by imposing the constant adiabaticity condition. The method is applied to improve the performance of singlet-state Nuclear Magnetic Resonance (NMR) experiments, specifically, for efficient generation and readout of the singlet spin order in coupled spin pairs by applying adiabatically ramped RF-fields. Test experiments have been performed on a specially designed molecule having two strongly coupled 13C spins and on selectively isotopically labelled glycerol having two pairs of coupled protons. Optimized RF-ramps show improved performance in comparison, for example, to linear ramps. We expect that the methods described here are useful not only for singlet-state NMR experiments but also for other experiments in magnetic resonance, which utilize adiabatic variation of the spin Hamiltonian. |
| doi_str_mv | 10.1063/1.5079436 |
| format | Article |
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D. ; Jamain, Baptiste ; Zimmermann, Herbert ; Sagdeev, Renad Z. ; Yurkovskaya, Alexandra V. ; Ivanov, Konstantin L.</creator><creatorcontrib>Rodin, Bogdan A. ; Sheberstov, Kirill F. ; Kiryutin, Alexey S. ; Hill-Cousins, Joseph T. ; Brown, Lynda J. ; Brown, Richard C. D. ; Jamain, Baptiste ; Zimmermann, Herbert ; Sagdeev, Renad Z. ; Yurkovskaya, Alexandra V. ; Ivanov, Konstantin L.</creatorcontrib><description>A method is implemented to perform “fast” adiabatic variation of the spin Hamiltonian by imposing the constant adiabaticity condition. The method is applied to improve the performance of singlet-state Nuclear Magnetic Resonance (NMR) experiments, specifically, for efficient generation and readout of the singlet spin order in coupled spin pairs by applying adiabatically ramped RF-fields. Test experiments have been performed on a specially designed molecule having two strongly coupled 13C spins and on selectively isotopically labelled glycerol having two pairs of coupled protons. 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| ispartof | The Journal of chemical physics, 2019-02, Vol.150 (6), p.064201-064201 |
| issn | 0021-9606 1089-7690 |
| language | eng |
| recordid | cdi_scitation_primary_10_1063_1_5079436 |
| source | AIP Journals Complete; Alma/SFX Local Collection |
| subjects | Adiabatic flow Experiments NMR Nuclear magnetic resonance Performance enhancement Physics Radio frequency Ramps |
| title | Constant-adiabaticity radiofrequency pulses for generating long-lived singlet spin states in NMR |
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