TWO DIMENSIONAL CONTINUOUS-WAVE ELECTRON SPIN RESONANCE SPECTROSCOPY

Chinese Journal of Magnetic Resonance ›› 2004, Vol. 21 ›› Issue (1): 17-23.

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TWO DIMENSIONAL CONTINUOUS-WAVE ELECTRON SPIN RESONANCE SPECTROSCOPY

LI Yong^1*, SHAO Meng², WANG Qi¹, HOU Bi-Hui²

1.Department of Chemistry, Tsinghua University, Beijing 100084, China;
2.College of Applied Sciences, Beijing University of Technology, Beijing 100022, China

Received:2003-06-16 Revised:2003-07-22 Online:2004-03-05 Published:2004-03-05
Supported by:
“973”资助项目(2002CB211803)

Abstract

Abstract:

In this paper, the basic theory about two-dimensional electron spin resonance (2D ESR) spectroscopy obtained from continuous-wave ESR (CW-ESR) spectra is described. Synchronous and asynchronous 2D ESR correlation spectra defined by two independent magnetic field variable axes are generated by a correlation analysis of dynamic fluctuations of ESR signals induced by an external perturbation. An example of 2D ESR spectra is presented for a radical produced by self-trapping of 2-methyl-2-nitrosopropane (MNP) under UV irradiation. Potential applications of this new 2D ESR technique are discussed.

Key words: ESR, two-dimensional correlation spectrum, correlation analysis, MNP

CLC Number:

O482.53

LI Yong, SHAO Meng, WANG Qi, HOU Bi-Hui. TWO DIMENSIONAL CONTINUOUS-WAVE ELECTRON SPIN RESONANCE SPECTROSCOPY[J]. Chinese Journal of Magnetic Resonance, 2004, 21(1): 17-23.

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TWO DIMENSIONAL CONTINUOUS-WAVE ELECTRON SPIN RESONANCE SPECTROSCOPY

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