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Electron Paramagnetic Resonance
then the electron will transition from the lower energy state to the higher energy state. The frequency at which absorption occurs is known as the resonant frequency due to similarities the systemExpand
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Free-radical scavenging capacity and antioxidant activity of selected plant species from the Canadian prairies
Ethanolic extracts from the roots of wild licorice (Glycyrrhiza lepidota), narrow-leaved echinacea (Echinacea angustifolia), senega (Polygala senega), leaves of bearberry (Arctostaphylos uva-ursi)Expand
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Electron paramagnetic resonance : elementary theory and practical applications
PREFACE. ACKNOWLEDGMENTS. 1 BASIC PRINCIPLES OF PARAMAGNETIC RESONANCE. 1.1 Introduction. 1.2 Historical Perspective. 1.3 A Simple EPR Spectrometer. 1.4 Scope of the EPR Technique. 1.5 Energy Flow inExpand
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A review of electron spin spectroscopy and its application to the study of paramagnetic defects in crystalline quartz
A comprehensive review (ca. 230 references) is presented of the present (1983) state of knowledge of paramagnetic defects in crystalline quartz, as derived from electron paramagnetic resonanceExpand
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Theoretical foundations of electron spin resonance
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Simulation of magnetic resonance powder spectra
Abstract The rapid simulation of magnetic resonance powder patterns by computer is discussed. Several methods of modeling sets of crystallite orientations are briefly considered and compared to theExpand
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Electronic magnetic resonance of the solid state
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A Review of the EPR Spectroscopy of the Point Defects in α-Quartz: The Decade 1982–1992
A review (126 references) is presented of progress made, primarily in the decade 1982–1992, in the field of electron paramagnetic resonance spectroscopy of ‘point’ defects occurring in crystallineExpand
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Ab initio self-consistent-field molecular-orbital calculations on AlO4 centres in alpha-quartz. II.
In this paper, the second of a series devoted to developing quantitative understanding of defect species in silicates, we report ab initio self-consistent-field molecular-orbital calculations done onExpand
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EPR and abinitio SCF–MO studies of the Si⋅H–Si system in the E′4 center of α‐quartz
The E′4 center in irradiated α‐quartz has been studied by single‐crystal EPR. The unpaired electron is shared mainly by two silicon ions Si(1, 2) with the larger fraction on Si(2). TheExpand
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