Effectiveness of high magnetic fields in high-resolution solid-state NMR: I. Case of organic compounds

  • Summary


Owing to recent developments of fast sample spinning and high-power decoupling, as well as application of ramp CP, advantages of high magnetic fields, namely, high sensitivity and resolution, can be fully enjoyed. 

Fig.1 and Fig.2 respectively show sensitivity and resolution enhancement in higher magnetic fields.

Fig.1 Sensitivity enhancement
along with magnetic fields 
Sample: hexamethylbenzene   
Nuclei: 13
Probe: 4mm CPMAS 
Method: CPMAS 
Accumulation times: 8 

Fig.2 Resolution enhancement
along with magnetic fields
Sample: monoethyl fumarate
Nuclei: 1H
Spinning frequency: 15kHz
Method: single pulse


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