Low temperature probe for dynamic nuclear polarization and multiple-pulse solid-state NMR

被引:16
作者
Cho, HyungJoon
Baugh, Jonathan
Ryan, Colm A.
Cory, David G.
Ramanathan, Chandrasekhar
机构
[1] MIT, Dept Nucl Sci & Engn, Cambridge, MA 02139 USA
[2] Univ Waterloo, Inst Quantum Comp, Waterloo, ON N2L 3G1, Canada
关键词
dynamic nuclear polarization; multiple-pulse NMR; coherent averaging; low temperature NMR;
D O I
10.1016/j.jmr.2007.04.012
中图分类号
Q5 [生物化学];
学科分类号
071010 ; 081704 ;
摘要
experiments, which is compatible with demanding multiple-pulse experiments. The competing goals of a high-Q microwave cavity to achieve large DNP enhancements and a high efficiency NMR circuit for multiple-pulse control lead to inevitable engineering tradeoffs. We have designed two probes-one with a single-resonance RF circuit and a horn-mirror cavity configuration for the microwaves and a second with a double-resonance RF circuit and a double-horn cavity configuration. The advantage of the design is that the sample is in vacuum, the RF circuits are locally tuned, and the microwave resonator has a large internal volume that is compatible with the use of RF and gradient coils. (c) 2007 Elsevier Inc. All rights reserved.
引用
收藏
页码:242 / 250
页数:9
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