Compendium of 4 parts |
Content |
---|---|
Structures of crystalline materials (pp. 58) |
Symmetry of periodic structures. Packing, networks, MOF. Examples: Spinel, garnet, pyrochlore, perovskite. Groups–subgroups. |
Defects, extended defects and ordered vacancy structures (pp. 44) |
Compositional variations due to defects: Point-defect thermodynamics. Solid solutions. Extended defects: 1D (edge and screw dislocations), 2D (stacking faults, twins, antiphase boundaries, shear structures). 3D order: Defect ordering and clustering. Infinitely adaptive structures. Nonstoichiometry and modulated structures, commensurate and incommensurate. |
Nonstoichiometry and its transport (pp. 53) |
Nonstoichiometry control: Oxidative and reductive nonstoichiometry, doping. Oxides with ordered vacancies. Nonstoichiometry transport I: Fick laws. Hopping, steady-state diffusion under gradient of concentration and electric field, conductivity versus diffusivity. Nonstoichiometry transport II : Ambipolar diffusion. Nonsteady-state diffusion. Sintering. |
Phase diagrams and phase transitions (pp. 45) |
Multi-component phase diagrams with compounds, solid solutions and nonstoichiometry. Structural phase transitions I: Classification, symmetry, thermodynamics. II: Order–disorder transitions and order parameters. III: Landau theory for 1st and 2nd order displacive transitions, soft modes. |
Pensum/l?ringskrav
Published Jan. 12, 2016 11:04 AM