Magnetic Nanostructures
(Second Edition)

Edited by
Hari Singh Nalwa, Nanomax Technologies, USA
Editor-in-Chief, Journal of Nanoscience and Nanotechnology, USA
    October 2009
687 pages, Hardcover
ISBN: 1-58883-145-0

Magnetic materials are one of the most vital and fastest growing areas of research in the field of nanotechnology. From a technological point of view, the magnetic nanostructures impart much larger storage density due to a phenomenal increase in the number of bits stored in a unit area that makes them quite attractive for a wide range of applications. The magnetic properties in nanostructures are governed by a number of factors such as composition, shape, size, surface morphology, topology, anisotropy, array spacing, symmetry, thickness of a layer, molecular interactions, alignment, etc. Magnetic materials could be tailored-into nanoparticles, nanowires, self-assemblies, nanoclusters, nanogranules, multilayers, and ultrathin films by a number of chemical, physical, and mechanical nanofabrication techniques. For example, magnetic nanoparticles and nanowires of Fe, Co, Ni, Pd, CoFe, PdNi, CoFePt, CoCrPt, nanoscale multilayers of Co/Pt, Co/Cr, Ni/Cu, Ni/Fe, Fe/Cr, Fe/Ag, Fe/Cu, Co/Ag, Fe/Cu/Co, Fe/Al, ultrathin films of binary and intermetallic alloys, magnetic dot-arrays, magnetic metal nanogranules encapsulated in carbon, boron, silicon dioxide, aluminium oxide, etc., have been studied in the past decade. Consequently, a dramatic increase in research activities on nanostructured magnetic materials has created a great demand for a reference source which summarizes the current state-of-the-art technology in this field. This book is aimed at filling that existing gap by covering a highly useful overview of topics related to nanostructured magnetic materials, their preparative methods, processing and fabrication into nanoscale multilayers, ultrathin films, assemblies, nanoparticles, nanogranules, nanowires and arrays of dots, spectroscopic characterization, micro/nanostructures, physical properties, and structure-property relationships. The nanostructured magnetic materials have a great commercial potential in future generations of magnetic data storage to capture a multibillion dollar market. The magnetic nanostructures should have commercial applications in magnetic hard disks for computer information storage, magnetic sensors, spin valves, magnetic tunnel junctions, high-speed nonvolatile magnetic random access memories (MRAMs), magnetic imaging, magnetic recording heads, magnetoelectronics, magneto-optics and other spintronic devices, nanomagnets, magnetic fluids, magnetic toner, etc. Magnetic Nanostructures is the first reference source that compiles up-to-date coverage of the latest and emerging research activities in the field of magnetic nanostructures for a wide range of readers. The first edition of this book containing twelve chapters was very useful for scientists working in the field of magnetic nanomaterials. In the second edition of this book, seven new review chapters on emerging new research topics related to magnetic nanostructures were added. Now, second edition of this book contains nineteen state-of-the-art review chapters written by leading authorities from top-notch academic and industrial institutions worldwide. This book contains approximately 5,000 bibliographic citations and hundreds of illustrations, figures, tables, and equations. Each chapter is fully cross-referenced, introducing some of the most important nanotechnologies under development today. The objective of this book is to provide a highly coherent coverage of magnetic nanostructures ranging from materials to device applications.

This book should be an essential multidisciplinary reference source for scientists, researchers, upper-level undergraduate and graduate students, and specialists working in disciplines and fields such as magnetism and magnetic materials, nanotechnology, materials science, solid-state physics, electrical and electronic engineering, optical engineering, surface science, magnetic data storage, semiconductor technology, and information technology.

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