中文

微特斯拉场中 H 与 D 核磁共振信号的同时探测

化学物理 2017-12-12 v1 原子物理 仪器与探测器

摘要

我们给出了以差分原子磁强计在非屏蔽环境中探测的远磁化重水的核磁共振(NMR)谱。测量在 μ\muT 场中进行,而在样品位移之后于 100~μ\muT 场中施加脉冲技术,以可控量翻转 D 与 H 核。探测系统的宽带特性使得两个信号可同时探测并准确评估其衰减时间。实验结果表明了超低场 NMR 谱学在重要应用中的潜力,其中质子与氘核自旋-自旋弛豫速率随外参量变化的相关性包含重要信息。

关键词

引用

@article{arxiv.1712.03858,
  title  = {Simultaneous Detection of H and D NMR Signals in a micro-Tesla Field},
  author = {Giuseppe Bevilacqua and Valerio Biancalana and Yordanka Dancheva and Antonio Vigilante and Alessandro Donati and Claudio Rossi},
  journal= {arXiv preprint arXiv:1712.03858},
  year   = {2017}
}

备注

7 pages (letter, 4 pages) plus supplemental material as an appendix. This document is the unedited author's version of a Submitted Work that was subsequently accepted for publication in Journal of Phys. Chem. Lett., copyright American Chemical Society after peer review. To access the final edited and published work see: pubs.acs.org/doi/abs/10.1021/acs.jpclett.7b02854