Investigation of the second coordination sphere in inorganic complexes by dynamic nuclear polarization (DNP). Complexes with electron spin residing on the metal atom

1975 ◽  
Vol 14 (2) ◽  
pp. 256-262 ◽  
Author(s):  
Burkhard E. Wagner ◽  
Richard D. Bates ◽  
Edward H. Poindexter
Keyword(s):  
Metal Atom ◽  
Coordination Sphere ◽  
Electron Spin ◽  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Inorganic Complexes ◽  
Second Coordination Sphere

scholarly journals Two-Electron-Spin Ratchets as a Platform for Microwave-Free Dynamic Nuclear Polarization of Arbitrary Material Targets

Nano Letters ◽  
2019 ◽  
Vol 19 (4) ◽  
pp. 2389-2396 ◽  
Author(s):  
Pablo R. Zangara ◽  
Jacob Henshaw ◽  
Daniela Pagliero ◽  
Ashok Ajoy ◽  
Jeffrey A. Reimer ◽  
...  
Keyword(s):  
Electron Spin ◽  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Free Dynamic

Effect of electron spin dynamics on solid-state dynamic nuclear polarization performance

2014 ◽  
Vol 16 (35) ◽  
pp. 18694-18706 ◽  
Author(s):  
Ting Ann Siaw ◽  
Matthias Fehr ◽  
Alicia Lund ◽  
Allegra Latimer ◽  
Shamon A. Walker ◽  
...  
Keyword(s):  
Solid State ◽  
Electron Spin ◽  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Spin Dynamics ◽  
Nitroxide Radicals ◽  
Flip Flop ◽  
State Dynamic ◽  
Spin Flip ◽  
Electron Spin Dynamics

Optimum integral EPR saturation, determined by electron T1e and electron spin flip-flop rate, maximizes solid-state DNP performance using nitroxide radicals.

scholarly journals Maximizing NMR signal per unit time by facilitating the e–e–n cross effect DNP rate

2018 ◽  
Vol 20 (43) ◽  
pp. 27646-27657 ◽  
Author(s):  
Alisa Leavesley ◽  
Sheetal Jain ◽  
Ilia Kamniker ◽  
Hui Zhang ◽  
Suchada Rajca ◽  
...  
Keyword(s):  
Spin Relaxation ◽  
Electron Spin ◽  
Dynamic Nuclear Polarization ◽  
Nuclear Spin ◽  
Nuclear Polarization ◽  
Nuclear Spin Relaxation ◽  
Cross Effect ◽  
Spin Clusters

Dynamic nuclear polarization (DNP) efficiency is critically dependent on the properties of the radical, solvent, and solute, where electron spin clusters will shorten nuclear spin relaxation and enhance CE-DNP.

scholarly journals Electron spin density matching for cross-effect dynamic nuclear polarization

2019 ◽  
Vol 55 (53) ◽  
pp. 7591-7594 ◽  
Author(s):  
Yuanxin Li ◽  
Asif Equbal ◽  
Kan Tagami ◽  
Songi Han
Keyword(s):  
Spin Density ◽  
Electron Spin ◽  
Dynamic Nuclear Polarization ◽  
Nuclear Polarization ◽  
Design Principle ◽  
Cross Effect ◽  
Electron Spin Density

A new design principle for a mixed broad (TEMPO) and narrow (Trityl) line radical to boost the dynamic nuclear polarization efficiency is electron spin density matching, suggesting a polarizing agent of one Trityl tethered to at least two TEMPO moieties.

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