Nuclear magnetic resonance in the nanoTesla range
Nuclear magnetic resonance in the nanoTesla range
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DOI：
10.1063/1.2006981
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发表时间：
2005-08-01
影响因子：
4
通讯作者：
Bernarding, J
中科院分区：
文献类型：
--
作者：
Burghoff, M;Hartwig, S;Bernarding, J
在40 nT至4 μ T磁通量密度的超低场下，获得了远低于1 Hz的分辨率的核磁共振谱，这超出了通常在常规高场制度中实现的分辨率。我们的装置的光谱分辨率允许直接观察蒸馏水的自然线宽。对于异质结系统，这使得在没有化学位移的情况下能够实现纯J光谱，其分辨率仅受共振线的自然宽度的限制。(c)2005年美国物理学会。
At ultralow fields of 40 nT to 4 mu T magnetic flux density, nuclear magnetic resonance spectra of a resolution well below 1 Hz were obtained, which is beyond what usually is achieved in the conventional high-field regime. The spectral resolution of our setup allows for the direct observation of the natural linewidth of distilled water. For heteronuclear systems, this enables pure J-spectroscopy in the absence of a chemical shift, with a resolution that is limited only by the natural width of the resonance lines. (c) 2005 American Institute of Physics.