Sathish-Kumar Kamaraj is a Research Professor Titular C in Instituto Politécnico Nacional (IPN)-Centro de Investigación en Ciencia Aplicada y Tecnología Avanzada, Unidad Altamira (CICATA-Altamira), Carretera Tampico-Puerto Industrial Altamira Km 14.5, C. Manzano, Industrial Altamira, 89600 Altamira, Tamps., Mexico.Arun Thirumurugan is an Assistant Professor at Sede Vallenar, Universidad de Atacama, Vallenar Chile, working on the development of magnetic nanocomposites for energy storage and biological applications.Sebastián Díaz de la Torre is a Research Professor at the Centro de Investigación e Innovación Tecnológica CIITEC, which belongs to Instituto Politécnico Nacional, Mexico, working on designing and developing advanced ceramic and composite materials through the mechanical alloying MA and spark plasma sintering SPS techniques.Suresh Kannan Balasingam is a Research Professor in the Graduate School of Energy and Environment (KU-KIST Green School), Korea University, Seoul, Republic of Korea.Shanmuga Sundar Dhanabalan works as a Researcher in the Functional Materials and Microsystems Group at the School of Engineering, RMIT University, Melbourne, Australia.

• Chapter 1: Introduction: Functionalization of magnetic nanomaterialsChapter 2: Surface characterization techniquesChapter 3: Core-shell magnetic nanostructuresChapter 4: Functionalized magnetic nanoparticles for biomedical applications (cancer treatment, health, biosensors, and chromatographic applications)Chapter 5: Induction of physico-chemical effects from functional magnetic nanoparticles in biological media and their potential for alternative medical therapiesChapter 6: Magnetic Nanomaterials for microwave absorption for health, electronic safety, and military applicationsChapter 7: Functionalized magnetic nanoparticles for Photocatalytic applicationsChapter 8: Recent progress in Green Synthesis of Functionalized- magnetic nanoparticles as retrievable photocatalystChapter 9: Phytogenic Magnetic Nanoparticles (PMNPs): Synthesis, Properties, Characterization and its Potential Application in Waste Water TreatmentChapter 10: Magnetic Nanomaterials for Solar Energy Conversion ApplicationsChapter 11: Functionalized Magnetic Nanoparticles for Energy Storage Applications Chapter 12: Functionalized magnetic nanomaterials for data storage applications