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theory:index [2019/06/15 08:31] till [Electron paramagnetic resonance] |
theory:index [2020/10/08 08:22] (current) till [EPR Spectroscopy] |
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+ | ~~NOTOC~~ | ||
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====== Theory ====== | ====== Theory ====== | ||
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- | ===== Electron paramagnetic resonance | + | ===== EPR spectroscopy |
Together with the far more widespread nuclear magnetic resonance (NMR) spectroscopy, | Together with the far more widespread nuclear magnetic resonance (NMR) spectroscopy, | ||
Both methods are based on the alignment of the spin (electron or nuclear spin) in an external magnetic field and the possibility of inducing transitions between these two states by electromagnetic radiation of corresponding wavelength (microwave in the EPR, radio frequency in the NMR). | Both methods are based on the alignment of the spin (electron or nuclear spin) in an external magnetic field and the possibility of inducing transitions between these two states by electromagnetic radiation of corresponding wavelength (microwave in the EPR, radio frequency in the NMR). | ||
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+ | ==== Literature ==== | ||
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+ | <bibtex furtherreading> | ||
+ | nocite=atherton-n-1993, | ||
+ | </ | ||
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Time-resolved EPR spectroscopy is a direct method for observing spin dynamics and electron spin polarization (ESP) during the formation of spin-polarised paramagnetic species, //e.g.// radical pairs or triplet states. The measured quantity is the temporal development of transient magnetization. The ESP determines the sign (absorption or emission) of the EPR signal. | Time-resolved EPR spectroscopy is a direct method for observing spin dynamics and electron spin polarization (ESP) during the formation of spin-polarised paramagnetic species, //e.g.// radical pairs or triplet states. The measured quantity is the temporal development of transient magnetization. The ESP determines the sign (absorption or emission) of the EPR signal. | ||
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+ | ==== Literature ==== | ||
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+ | <bibtex furtherreading> | ||
+ | nocite=bisk-mp-111-3698, | ||
+ | </ | ||