期刊
JOURNAL OF PHYSICAL CHEMISTRY A
卷 120, 期 25, 页码 4343-4348出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jpca.6b04017
关键词
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资金
- National Science Foundation [CHE-1308381]
- Office of Science, Office of Basic Energy Sciences, Materials Sciences and Engineering Division, of the U.S. Department of Energy [DE-AC02-05CH11231]
- European Commission under the Marie Curie International Outgoing Fellowship Programme [FP7-625054 ODMR-CHEM]
- Division Of Chemistry
- Direct For Mathematical & Physical Scien [1308381] Funding Source: National Science Foundation
We use low-amplitude, ultralow frequency pulses to drive nuclear spin transitions in zero and ultralow magnetic fields. In analogy to high-field NMR, a range of sophisticated experiments becomes available as these allow narrow-band excitation. As a first demonstration, pulses with excitation bandwidths 0.5-5 Hz are used for population redistribution, selective excitation, and coherence filtration. These methods are helpful when interpreting zero- and ultralow-field NMR spectra that contain a large number of transitions.
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