Perovskite: A Structure of Great Interest to Geophysics and Materials Science

Perovskite:A Structure of Great Interest to Geophysics and Materials Science......Page 1
Geophysical Monograph Series......Page 2
Perovskite:A Structure of Great Interest toGeophysics and Materials Science......Page 5
CONTENTS......Page 7
PREFACE......Page 8
The Thermoelastic Properties of Silicate Perovskite......Page 9
The Gruneisen Parameter of Silicate Perovskite......Page 10
Effect of Pressure and Temperature on Perovskite Distortions......Page 12
Role of Iron in Perovskite......Page 13
Kinetics of Perovskite Decomposition......Page 16
Silicate Perovskite and the Earth's Lower Mantle......Page 17
References......Page 18
Introduction......Page 21
Experimental......Page 23
Discussion......Page 24
References......Page 31
Experimental Procedure......Page 34
The system MgO-Fe0-Si02......Page 35
The system CaSiO3 -MgSiO3 -Al 203......Page 36
References......Page 38
SiO6 and Mg08 polyhedron......Page 40
References......Page 41
Introduction......Page 42
Experimental Results......Page 43
Theoretical Results......Page 45
Thermodynamic Properties......Page 47
Discussion......Page 48
References......Page 50
2. Computer simulation techniques......Page 52
3.1 Defect formation energies at 0 K - 0 GPa......Page 54
3.2 Defect migration energies at 0 K - 0 GPa......Page 56
3.3 Defect energies at 2625 K - 100GPa......Page 58
4. Discussion and conclusion......Page 59
References......Page 60
Introduction......Page 61
LAPW Calculations for Cubic MgSiO3......Page 62
PIB......Page 63
Copper Oxide Superconductors......Page 66
Conclusions......Page 70
References......Page 71
Introduction......Page 73
Oxide Superconductors......Page 76
References......Page 85
Background......Page 87
Properties of LaCoO3 Perovskite......Page 89
Background......Page 90
Spectra of AFeO3 Perovskites......Page 91
Spectra of Alkaline Earth Perovskites......Page 92
Mossbauer Emission Spectra of 57Co-Doped ACoO3 Perovskites......Page 93
Discussion......Page 94
References......Page 95
Capacitor Dielectrics......Page 97
Domain Walls and Dielectric Loss......Page 98
Conduction Losses and Degradation......Page 99
Morohotropic Phase Boundary......Page 100
Hard and Soft PZT Ceramics......Page 101
Conduction Mechanism......Page 102
Further Reading......Page 103
References......Page 104
Acceptor-Doping or Reduction......Page 105
Donor-Doping or Oxidation......Page 107
Excess AO......Page 108
References......Page 109
Sample Preparation......Page 110
Results......Page 111
Discussion......Page 112
References......Page 115
Experimental......Page 117
Results and Discussion......Page 118
References......Page 121
The ReO3 stuffed lattice......Page 122
The perovskite structure......Page 123
Single ctystals......Page 124
Discussion and perspectives......Page 125
References......Page 126
Introduction......Page 127
High pressure X-ray diffraction......Page 128
Brillouin scattering measurements......Page 129
Discussion......Page 130
References......Page 131
Introduction......Page 133
Equation of State and Rheology......Page 134
Mathematical Formulation......Page 136
Numerical Results......Page 138
Concluding Remarks......Page 146
References......Page 147