Section 1: Fundamentals 1. An overview of Spinel Materials 2. Magnetic Spinels 3. Non-magnetic Spinels: Onset of Defect Induced magnetism 4. Multiferroic Spinels 5. Spinel Type Superconductors 6. Conduction Mechanism in Spinels 7. Luminescence Behavior of Spinels Section 2: Synthesis and Characterization 8. Chemical Methods for growth of Spinels 9. Physical Methods for growth of Spinels 10. Cation occupancies in Spinels using X-ray diffractions 11. Neutron Diffraction Study of Spinels 12. Electron Paramagnetic Resonance Study of Spinels Nanostructures 13. NMR studies of Spinels 14. X-ray photoelectron Spectroscopy of Spinels Section 3: Applications 15. Spinels for batteries applications 16. Spinels for supercapacitors applications 17. Thermoelectric Applications of spinels 18. Photocatalytic Applications of spinels in Environmental Remediation 19. Spinels as low cost electrocatalysts