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Informationen zum Autor Richard J. D. Tilley , D. Sc, Ph. D, is Emeritus Professor in the School of Engineering at the University of Cardiff, Wales, U.K. He has published extensively in the area of solid-state materials science, including four books for Wiley, 180 papers, and 15 fifteen book chapters. Klappentext Uniquely describes both the crystallography and properties of perovskite related materials.* Practical applications in solar cells, microelectronics and telecommunications* Interdisciplinary topic drawing on materials science, chemistry, physics, and geology* Contains problems and answers to enhance knowledge retention Zusammenfassung Uniquely describes both the crystallography and properties of perovskite related materials. Inhaltsverzeichnis Preface xi 1 The ABX3 Perovskite Structure 1 1.1 Perovskites 1 1.2 The Cubic Perovskite Structure: SrTiO3 4 1.3 The Goldschmidt Tolerance Factor 6 1.4 ABX3 Perovskite Structure Variants 11 1.5 Cation Displacement: BaTiO3 as an Example 12 1.6 Jahn-Teller Octahedral Distortion: KCuF3 as an Example 16 1.7 Octahedral Tilting 19 1.7.1 Tilt Descriptions 19 1.7.2 Trigonal Symmetry: LaAlO3 as an Example 24 1.7.3 Orthorhombic Symmetry: GdFeO3 and CaTiO3 as Examples 26 1.8 Symmetry Relationships 30 1.9 Hybrid Organic-Inorganic Perovskites 33 1.10 Antiperovskites 34 1.10.1 Cubic and Related Structures 34 1.10.2 Other Structures 36 1.11 Structure¿Field Maps 36 1.12 Theoretical Calculations 38 References 40 Further Reading 40 2 ABX3-Related Structures 42 2.1 Double Perovskites and Related Ordered Structures 42 2.1.1 Rock¿Salt Ordered Double Perovskites 42 2.1.2 Other Ordered Perovskites 45 2.1.3 AA¿3B4O12¿Related Phases 48 2.2 Anion Substituted Perovskites 51 2.2.1 Nitrides and Oxynitrides 51 2.2.2 Oxyfluorides 53 2.3 A¿Site¿Deficient Perovskite Structures 54 2.3.1 ReO3, WO3 and Related Structures 54 2.3.2 Perovskite Tungsten Bronzes 55 2.3.3 A¿Site¿Deficient Titanates, Niobates and Tantalates 55 2.4 Anion¿Deficient Phases Containing Tetrahedra 57 2.4.1 Brownmillerites 57 2.4.2 Brownmillerite Microstructures 62 2.4.3 Temperature Variation and Disorder 63 2.4.4 B¿Site Doped Brownmillerite Phases 64 2.4.5 B¿Site Doping and Oxygen Pressure 65 2.4.6 A¿Site Doped Brownmillerite Phases 65 2.4.7 Brownmillerite¿Related Phases 66 2.5 Anion¿Deficient Phases Containing Square Pyramids 69 2.5.1 Manganites 69 2.5.2 SrFeO2.5 and Related Phases 71 2.5.3 Cobaltite¿Related Phases 73 2.6 Point Defects, Microdomains and Modulated Phases 74 Further Reading 78 3 Hexagonal Perovskite-Related Structures 79 3.1 The BaNiO3 Structure 79 3.2 BaNiO3¿Related Phases Containing Trigonal Prisms 81 3.2.1 Commensurate Structures 81 3.2.2 Modulated Structures 89 3.3 Perovskites with Mixed Hexagonal/Cubic Packing: Nomenclature 92 3.4 Perovskites with Mixed Hexagonal/Cubic Packing: Stacking Sequences 95 3.5 Hexagonal Perovskites with chq and cph Stacking 98 3.5.1 (chq) Structures 98 3.5.2 (cph) Structures 99 3.5.3 cphq Intergrowth Structures 104 3.6 Hexagonal Perovskites with cphh Stacking 106 3.6.1 (cc...chh) AnBnO3n Structures 107 3.6.2 (cc...chh) AnBn¿1O3n Structures 108 3.6.3 (hhcc...chhcc...c) Intergrowth Phases 110 3.6.4 (cc...ch) AnBn¿1O3n Shift and Twinned Phases 112 3.7 Anion¿Deficient Phases Containing BaO2 (c¿) Layers 112 3.7.1 (c...c¿...ch) Structures 113 3.7.2 (c...c¿...chh) Structures 113 3.7.3 (c...c¿...chhh) Structures 115 3.8 Anion¿Deficient Phases with BaOX Layers 117 3.8...
