Molecular Materials -- Contents -- Inorganic Materials Series Preface -- Preface -- List of Contributors -- 1 Metal-Based Quadratic Nonlinear Optical Materials -- 1.1 Introduction -- 1.2 Basic Concepts of Second-Order Nonlinear Optics -- 1.2.1 Introduction to Nonlinear Molecular Materials -- 1.2.2 Molecular Engineering of Quadratic NLO Chromophores -- 1.2.3 Experimental Measurements of Second-Order NLO Activities -- 1.3 Dipolar Metal Complexes -- 1.3.1 Metal Complexes as Donor Groups -- 1.3.2 Metal Complexes as Acceptor Groups -- 1.3.3 Bimetallic Push-Pull Complexes -- 1.3.4 Metal Complexes as -Conjugated Bridges -- 1.4 Octupolar Metal Complexes -- 1.4.1 Metal as Peripheral Donor (or Acceptor) Substituent -- 1.4.2 Metal as Template -- 1.4.3 Conformational Studies Using Second-Order NLO Activity Measurements -- 1.5 Switching Optical Nonlinearities of Metal Complexes -- 1.5.1 Redox Switching of Quadratic Nonlinearities -- 1.5.2 Acid/Base Switching of Quadratic Nonlinearities -- 1.5.3 Photoswitching of Quadratic Nonlinearities -- 1.6 Towards the Design of Pre-Organised Materials -- 1.6.1 Supramolecular Octupolar Self-Ordering Within Metallodendrimers -- 1.6.2 Engineering of NLO-Active Crystals -- 1.7 Conclusions -- References -- 2 Physical Properties of Metallomesogens -- 2.1 Introduction -- 2.2 Overview of Mesophases -- 2.3 Optical Properties -- 2.3.1 Birefringence -- 2.3.2 Light Absorption and Colour -- 2.3.3 Luminescence -- 2.3.4 Nonlinear Optical Properties -- 2.4 Electrical Properties -- 2.4.1 Electrical Conductivity -- 2.4.2 Photoconductivity -- 2.4.3 Electrochromism -- 2.4.4 Ferroelectricity -- 2.5 Magnetic Properties -- 2.5.1 Magnetic Anisotropy and Alignment in External Magnetic Fields -- 2.5.2 Spin-Crossover Phenomena -- 2.5.3 Single Molecule Magnets -- 2.6 Conclusions -- References -- 3 Molecular Magnetic Materials -- 3.1 Introduction.

3.1.1 History of Measurements -- 3.2 Basic Concepts -- 3.2.1 Magnetisation and Susceptibility -- 3.2.2 The Curie and Curie-Weiss Laws -- 3.2.3 Other Measurements -- 3.2.4 Orbital Angular Momentum -- 3.3 The Van Vleck Equation -- 3.3.1 Application of the Van Vleck Formula to an Isolated, Spin-Only Metal Complex -- 3.3.2 Deviations from the Curie Law: Zero-Field Splitting -- 3.3.3 Exchange Coupling -- 3.4 Dimensionality of Magnetic Systems -- 3.4.1 Lattice Dimensionality vs Single Ion Anisotropy -- 3.4.2 Mean or Molecular Field Approximation in Any Dimension and Any Value of S -- 3.4.3 One-Dimensional Systems -- 3.4.4 Two-Dimensional Magnetic Materials -- 3.4.5 Three-Dimensional Magnetic Materials -- 3.5 Switchable and Hybrid Systems and Future Perspectives -- 3.5.1 Bistable and Switchable Magnetic Materials -- 3.5.2 Multifunctional Magnetic Materials -- 3.6 Conclusions -- References -- 4 Molecular Inorganic Conductors and Superconductors -- 4.1 Introduction -- 4.2 Families of Molecular Conductors and Superconductors -- 4.2.1 From Molecules to Conductors and Superconductors -- 4.2.2 Organic Metals and Superconductors -- 4.2.3 Transition Metal Complex-Based Conducting Systems -- 4.3 Systems Based on Metal Bis-Dithiolene Complexes -- 4.3.1 Synthesis of Metal Bis-Dithiolene Complexes -- 4.3.2 Synthesis of Conductors and Superconductors Based on Metal Bis-Dithiolene Complexes -- 4.3.3 Superconductors Based on [M(dmit)2] Complexes -- 4.3.4 Conductors Based on Neutral Metal Bis-Dithiolene Complexes -- 4.4 Towards the Application of Molecular Inorganic Conductors and Superconductors -- 4.4.1 Processing Methods -- 4.4.2 Films and Nanowires of Molecular Inorganic Conductors -- 4.5 Conclusions -- Acknowledgements -- References -- 5 Molecular Nanomagnets -- 5.1 Introduction -- 5.2 A Very Brief Introduction to Magnetochemistry -- 5.3 Techniques.

5.3.1 Magnetometry -- 5.3.2 AC Magnetometry -- 5.3.3 Micro-SQUIDs -- 5.3.4 Specific Heat -- 5.3.5 Torque Magnetometry -- 5.3.6 Electron Paramagnetic Resonance (EPR) Spectroscopy -- 5.3.7 Inelastic Neutron Scattering (INS) -- 5.3.8 Nuclear Magnetic Resonance (NMR) Spectroscopy -- 5.4 Single Molecule Magnets -- 5.4.1 Physics of Single Molecule Magnets -- 5.4.2 Chemistry of Single Molecule Magnets -- 5.5 Emerging Trends -- 5.5.1 Monometallic SMMs -- 5.5.2 Molecular Spintronics -- 5.5.3 Quantum Information Processing -- 5.5.4 Antiferromagnetic (AF) Rings and Chains -- 5.5.5 Magnetocaloric Effect -- 5.5.6 High Symmetry Polyhedra and Spin Frustration -- 5.5.7 Single Chain Magnets -- References -- Index.