1. Granular magnetic nanostructures: An overview of finite size, dipolar interactions and surface effects on the magnetic properties
1.1 Introduction
1.2 Special Features of Magnetic Nanoparticles
1.2.1 Finite Size Effects
1.2.1.1 Single domain Limits and superparamagnetism: Brief Introduction
1.2.1.2 Surface Effects
1.2.2 Magnetic Nanoparticles Aggregates 1.2.2.1 Classical Langevin Function Approach
1.2.2.2 Size distribution Overview
1.2.2.3 Experimental Magnetic Measurements
1.2.2.3.1 Measuring time and relaxation time
1.2.2.3.2 DC Magnetic Properties
1.2.2.3.2.1 Magnetization Curves
1.2.2.3.2.2 Zero field Cooled and field cooled curves 1.2.2.3.2.3 Thermoremanent Magnetization
1.2.2.3.2.4 Isothermal Remanent magnetization
1.2.3 Different kinds of Interaction in Granular magnetic nanosystems
1.2.3.1 The Role of Interactions on the Magnetic properties
1.2.3.2 Models
1.2.4 Conclusion
2. Size and Shape controlled liquid phase synthesis of magnetic nanoparticles: recent updates
2.1 Introduction
2.2 Basic Mechanism on the formation of Magnetic nanoparticles
2.2.1 Nucleation: Burst of Nucleation Concept
2.2.2 Methods for the isolation of Nucleation and Growth; Numerical Simulation of Burst Nucleation
2.2.3 Growth Mechanism 2.3 Novel Synthesis method for the size and shape controlled Magnetic nanoparticles
2.3.1 Classical Synthesis by Coprecipitation
2.3.2 Hydrothermal and High-Temperature Reactions
2.3.3 Polyols method
2.3.4 Sol-Gel Reactions
2.3.5 Electrochemical techniques
2.3.6 Flow Injection Syntheses
2.3 Protection and surface stability magnetic nanoparticles 2.3.1 Inorganic materials
2.3.2 Polymer Stabilizers
2.3.3 Monomeric Stabilizers
2.4 Strategies to control the size and shape
2.5 Conclusions
3. Bimagnetic soft/hard and hard/soft magnetic core-shell nanoparticles with diverse application
3.1 Introduction
3.2 fundamental Phenomenology: Importance of coupling between soft and hard bimagnetic nanocrystals
3.3 Chemical synthesis approaches to obtain multifunctional nanosystem
3.3.1 Surface treatment of nanoparticles
3.3.2 Two Step Seed-mediated growth method
3.4 Characterization Strategy
3.5 Current and potential applications
3.5.1 Magnetic media recording 3.5.2 Permanent magnets
3.5.3 Microwave absorptions
3.5.4 Biomedical applications
3.6 Conclusion and outlook
4. Magnetic nanoparticles probed by synchrotron radiations based on X-ray absorption method: spin polarization and Charge transfer mechanism
4.1 Introduction
4.2 X-ray absorption spectroscopies in synchrotron radiation facilities 4.2.1 X-ray absorption fine structure
About the Author: Prof. Dr. Surender Kumar Sharma: Dr. Sharma obtained his PhD title in July 2007 from H. P. University, Shimla, India. After spending several years of research/academic positions in Brazil, France, Czech Republic, India and Mexico working in the area of nanomagnetism and functional nanomaterials, he has joined Federal University of Maranhão (UFMA), Brazil, as a Professor of Physics at Department of Physics on February 2015. Currently he is an active member of the graduate research program at UFMA and actively involved in research, teaching and supervising graduate students. He has been awarded as FAPEMA Senior Researcher grants in August 2015. To date, Dr. Sharma has published more than 54 research articles in reputed journals, 1 book as a single author and 1 book chapter.
