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Dynamic Nuclei Polarization

Dynamic Nuclei Polarization

Dynamic Nuclei Polarization

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Favor Materials for DNP Targets<br />

–<br />

–<br />

–<br />

–<br />

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

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