Advances in Magnetic Resonance (eBook)

Front Cover 1
Advances in Magnetic Resonance 4
Copyright Page 5
Table of Contents 6
Contributors 8
Preface 10
Contents of Previous Volumes 12
Chapter 1. Halogen Hyperfine Interactions 16
I. Introduction 16
II. Gas Phase Studies 21
III. Organic Radicals in Solution 27
IV. Organic Radicals in Single Crystals 62
V. Inorganic Radicals 67
VI. Halogen Superhyperfine Structure 81
Chapter 2. Pulsed-Fourier-Transform Nuclear Magnetic Resonance Spectrometer 96
I. Introduction 97
II. General Outline 98
III. Frequency Synthesis 99
IV. Transmitters 101
V. Locking System 102
VI. Dual Receiver 104
VII. Audio Conversion 105
VIII. Control Circuits 109
IX. Inhomogenizer and Decoupler 113
X. Computer Analysis 114
XI. Engineering Details 118
XII. Operation 119
XIII. Future Expansion 127
XIV. Performance 128
Chapter 3. Spectrometers for Multiple-Pulse NMR 132
I. Introduction 132
II. Spectrometer Design and Construction 137
III. Operation 183
Note Added in Proof 191
Chapter 4. NMR and Ultraslow Motions 192
I. Introduction 192
II. Strong Collision Theory of Low Field Relaxation and Ultraslow Motions 196
III. Weak Collision Theory of Relaxation in the Rotating Frame 213
IV. Experimental Techniques 215
V. Experimental Results 227
Appendix: Calculation of < 0,0,d>
Chapter 5. Solving the Spin Hamiltonian for the Electron Spin Resonance of Irradiated Organic Single Crystals 244
I. Introduction 244
II. Secular Equation 246
III. Anisotropie Hyperfine Interaction 250
IV. Anisotropie g-Factor 262
V. Angular Dependence of Experimental Spectra 265
VI. Geometrical Representation of the g-Factor Tensor 273
VII. Other Interactions 280
VIII. Other Experimental Techniques 312
IX. Conclusions 314
Appendix 316
Chapter 6. NMR in Helium Three 320
I. Introduction 320
II. Magnetic Susceptibility Measurements 323
III. Relaxation in Liquid Helium Three 334
IV. Relaxation in Solid Helium Three 340
V. Effects of 4He Impurity 362
VI. Conclusion 366
Author Index 368
Subject Index 380