03738 am 2201021 n 450 9910340853403321201809262-7099-2373-410.4000/books.irdeditions.25053(CKB)4100000007145917(FrMaCLE)OB-irdeditions-25053(oapen)https://directory.doabooks.org/handle/20.500.12854/53890(PPN)26795042X(EXLCZ)99410000000714591720181119j|||||||| ||| 0freuu||||||m||||txtrdacontentcrdamediacrrdacarrierDes mondes oubliés Carnets d’Afrique /Christian SeignobosMarseille IRD Éditions20181 online resource (312 p.) 2-86364-315-0 2-7099-1879-X En près de cinquante ans passés au cœur du bassin du lac Tchad, le géographe Christian Seignobos a vu son terrain et son métier se métamorphoser. Nourri par ce parcours, cet ouvrage rassemble un vaste corpus de dessins et de textes originaux, comme autant de témoignages d’une pratique personnelle et professionnelle de la recherche. Architecture, agriculture, élevage, pêche, faune sauvage, mais aussi arrivée et progression des insécurités entre Cameroun, République centrafricaine et Nigeria : l’extrême variété des thèmes abordés traduit les différentes manières de faire et d’écrire les sciences humaines. Replaçant toujours l’homme au centre de son histoire et de son environnement, ces pages sont aussi et surtout, à travers les voix et les visages des informateurs et des interprètes, la chronique d’une Afrique qui se raconte.Sociology & AnthropologyélevageartisanattémoignageCamerounNigeriaépistémologiefaune sauvageanthropologie historiquetechnique traditionnellesociologie ruralepêche artisanaleAfrique centraleagriculture traditionnelleanthropologie culturelleethnoscienceconservation des objetsCentrafriqueTchad (lac)ethnosciencepêche artisanaletémoignageCentrafriqueanthropologie culturelleconservation des objetstechnique traditionnellesociologie ruraleAfrique centraleélevageagriculture traditionnelleépistémologiefaune sauvageartisanatCamerounNigeriaanthropologie historiqueTchad (lac)Sociology & AnthropologyélevageartisanattémoignageCamerounNigeriaépistémologiefaune sauvageanthropologie historiquetechnique traditionnellesociologie ruralepêche artisanaleAfrique centraleagriculture traditionnelleanthropologie culturelleethnoscienceconservation des objetsCentrafriqueTchad (lac)Seignobos Christian660198FR-FrMaCLEBOOK9910340853403321Des mondes oubliés3025548UNINA04608nam 2200601 450 991081749240332120211007000111.01-118-93563-2(CKB)3710000000615959(EBL)4451504(SSID)ssj0001636014(PQKBManifestationID)16388696(PQKBTitleCode)TC0001636014(PQKBWorkID)14950803(PQKB)10774140(DLC) 2015047377(Au-PeEL)EBL4451504(CaPaEBR)ebr11174067(CaONFJC)MIL909311(MiAaPQ)EBC4451504(OCoLC)930875648(EXLCZ)99371000000061595920151201d2016 uy| 0engurcnu||||||||txtccrPerovskites structure-property relationships /Richard TilleyFirst edition.Chichester, West Sussex, United Kingdom :Wiley,2016.1 online resource (330 p.)Description based upon print version of record.1-118-93565-9 1-118-93566-7 Includes bibliographical references and index.Title Page; Copyright Page; Contents; Preface; Chapter 1 The ABX3 Perovskite Structure; 1.1 Perovskites; 1.2 The Cubic Perovskite Structure: SrTiO3; 1.3 The Goldschmidt Tolerance Factor; 1.4 ABX3 Perovskite Structure Variants; 1.5 Cation Displacement: BaTiO3 as an Example; 1.6 Jahn-Teller Octahedral Distortion: KCuF3 as an Example; 1.7 Octahedral Tilting; 1.7.1 Tilt Descriptions; 1.7.2 Trigonal Symmetry: LaAlO3 as an Example; 1.7.3 Orthorhombic Symmetry: GdFeO3 and CaTiO3 as Examples; 1.8 Symmetry Relationships; 1.9 Hybrid Organic-Inorganic Perovskites; 1.10 Antiperovskites1.10.1 Cubic and Related Structures 1.10.2 Other Structures; 1.11 Structure-Field Maps; 1.12 Theoretical Calculations; References; Further Reading; Chapter 2 ABX3-Related Structures; 2.1 Double Perovskites and Related Ordered Structures; 2.1.1 Rock-Salt Ordered Double Perovskites; 2.1.2 Other Ordered Perovskites; 2.1.3 AA2032;3B4O12-Related Phases; 2.2 Anion Substituted Perovskites; 2.2.1 Nitrides and Oxynitrides; 2.2.2 Oxyfluorides; 2.3 A-Site-Deficient Perovskite Structures; 2.3.1 ReO3, WO3 and Related Structures; 2.3.2 Perovskite Tungsten Bronzes2.3.3 A-Site-Deficient Titanates, Niobates and Tantalates2.4 Anion-Deficient Phases Containing Tetrahedra; 2.4.1 Brownmillerites; 2.4.2 Brownmillerite Microstructures; 2.4.3 Temperature Variation and Disorder; 2.4.4 B-Site Doped Brownmillerite Phases; 2.4.5 B-Site Doping and Oxygen Pressure; 2.4.6 A-Site Doped Brownmillerite Phases; 2.4.7 Brownmillerite-Related Phases; 2.5 Anion-Deficient Phases Containing Square Pyramids; 2.5.1 Manganites; 2.5.2 SrFeO2.5 and Related Phases; 2.5.3 Cobaltite-Related Phases; 2.6 Point Defects, Microdomains and Modulated Phases; Further ReadingChapter 3 Hexagonal Perovskite-Related Structures 3.1 The BaNiO3 Structure; 3.2 BaNiO3-Related Phases Containing Trigonal Prisms; 3.2.1 Commensurate Structures; 3.2.2 Modulated Structures; 3.3 Perovskites with Mixed Hexagonal/Cubic Packing: Nomenclature; 3.4 Perovskites with Mixed Hexagonal/Cubic Packing: Stacking Sequences; 3.5 Hexagonal Perovskites with chq and cph Stacking; 3.5.1 (chq) Structures; 3.5.2 (cph) Structures; 3.5.3 cphq Intergrowth Structures; 3.6 Hexagonal Perovskites with cphh Stacking; 3.6.1 (cc2026;chh) AnBnO3n Structures; 3.6.2 (cc2026;chh) AnBn2212;1O3n Structures3.6.3 (hhcc2026;chhcc2026;c) Intergrowth Phases3.6.4 (cc2026;ch) AnBn2212;1O3n Shift and Twinned Phases; 3.7 Anion-Deficient Phases Containing BaO2 (c2032;) Layers; 3.7.1 (c2026;c2032;2026;ch) Structures; 3.7.2 (c2026;c2032;2026;chh) Structures; 3.7.3 (c2026;c2032;2026;chhh) Structures; 3.8 Anion-Deficient Phases with BaOX Layers; 3.8.1 (h2032;) Layers; 3.8.2 (c2032;c2032;) Layers; 3.9 Sr4Mn3O10 and Ba6Mn5O16; 3.10 Temperature and Pressure Variation; Reference; Further Reading; Chapter 4 Modular Structures; 4.1 K2NiF4 (A2BX4) and Ruddlesden-Popper Phases; 4.1.1 The K2NiF4 (T or T/O) Structure; 4.1.2 Ruddlesden-Popper Phases4.2 The Nd2CuO4 (T2032;) and T* StructuresPerovskite materialsPerovskite materials549/.528Tilley R. J. D.856746MiAaPQMiAaPQMiAaPQBOOK9910817492403321Perovskites4017745UNINA