Dynamic Nuclei Polarization
Dynamic Nuclei Polarization
Dynamic Nuclei Polarization
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Favor Materials for DNP Targets<br />
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Name<br />
Butanol, C 4 H 9 OH<br />
D-Butanol, C 4 D 9 OD<br />
Ammonia 14 NH 3 , 15 NH 3<br />
Lithium Deuteride 6 LiD<br />
Dopant<br />
chemically<br />
chemically<br />
radiation<br />
radiation<br />
f<br />
0.13<br />
0.24<br />
0.17<br />
0.50<br />
Radiation hardness<br />
moderate<br />
moderate<br />
high<br />
very high<br />
<strong>Polarization</strong><br />
80-85%<br />
80%<br />
> 90%<br />
50-60%<br />
Butanol with Porphyrexide Butanol with CrV complex Ammonia LiD or LiH