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Nanomagnetic Materials

Nanomagnetic Materials Book
Author : Akinobu Yamaguchi,Atsufumi Hirohata,Bethanie Stadler
Publisher : Elsevier
Release : 2021-05-15
ISBN : 9780128223499
Language : En, Es, Fr & De

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Book Description :

Nanomagnetic Materials: Fabrication, Characterization and Application explores recent studies of conventional nanomagnetic materials in spintronics, data storage, magnetic sensors and biomedical applications. In addition, the book also reviews novel magnetic characteristics induced in two-dimensional materials, diamonds, and those induced by the artificial formation of lattice defect and heterojunction as novel nanomagnetic materials. Nanomagnetic materials are usually based on d- and f-electron systems. They are an important solution to the demand for higher density of information storage, arising from the emergence of novel technologies required for non-volatile memory systems. Advances in the understanding of magnetization dynamics and in the characteristics of nanoparticles or surface of nanomagnetic materials is resulting in greater expansion of applications of nanomagnetic materials, including in biotechnology, sensor devices, energy harvesting, and power generating systems. This book provides a cogent overview of the latest research on novel nanomagnetic materials, including spintronic nanomagnets, molecular nanomagnets, self-assembling magnetic nanomaterials, nanoparticles, multifunctional materials, and heterojunction-induced novel magnetism. Explains manufacturing principles and process for nanomagnetic materials Discusses physical and chemical properties and potential industrial applications, such as magnetic data storage, sensors, oscillator, permanent magnets, power generations, and biomedical applications Assesses the major challenges of using magnetic nanomaterials on a broad scale

Nanoscale Science and Technology

Nanoscale Science and Technology Book
Author : Robert Kelsall,Ian W. Hamley,Mark Geoghegan
Publisher : John Wiley & Sons
Release : 2005-04-15
ISBN : 9780470850862
Language : En, Es, Fr & De

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Book Description :

Nanotechnology is a vital new area of research and development addressing the control, modification and fabrication of materials, structures and devices with nanometre precision and the synthesis of such structures into systems of micro- and macroscopic dimensions. Future applications of nanoscale science and technology include motors smaller than the diameter of a human hair and single-celled organisms programmed to fabricate materials with nanometer precision. Miniaturisation has revolutionised the semiconductor industry by making possible inexpensive integrated electronic circuits comprised of devices and wires with sub-micrometer dimensions. These integrated circuits are now ubiquitous, controlling everything from cars to toasters. The next level of miniaturisation, beyond sub-micrometer dimensions into nanoscale dimensions (invisible to the unaided human eye) is a booming area of research and development. This is a very hot area of research with large amounts of venture capital and government funding being invested worldwide, as such Nanoscale Science and Technology has a broad appeal based upon an interdisciplinary approach, covering aspects of physics, chemistry, biology, materials science and electronic engineering. Kelsall et al present a coherent approach to nanoscale sciences, which will be invaluable to graduate level students and researchers and practising engineers and product designers.

Nanostructured Materials for Engineering Applications

Nanostructured Materials for Engineering Applications Book
Author : Carlos P. Bergmann,Monica Jung de Andrade
Publisher : Springer Science & Business Media
Release : 2011-08-28
ISBN : 3642191312
Language : En, Es, Fr & De

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Book Description :

This book gives an introduction to nanostructured materials and guides the reader through their different engineering applications. It addresses the special phenomena and potentials involved in the applications without going into too much scientific detail of the physics and chemistry involved, which makes the reading interesting for beginners in the field. Materials for different applications in engineering are described, such as those used in opto-electronics, energy, tribology, bio-applications, catalysis, reinforcement and many more. In each application chapter, the reader will learn about the phenomena involved in the application, the nanostructured materials used in the field and their processing, besides finding some practical examples of their use in laboratories and in industry.The clear language and the application-oriented perspective of the book makes it suitable for both engineers and students who want to learn about applications of nanostructured materials in Engineering.

Electromagnetic Materials

Electromagnetic Materials Book
Author : Hock Lim,Serguei Matitsine
Publisher : World Scientific
Release : 2003
ISBN : 9789812704344
Language : En, Es, Fr & De

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Book Description :

Electromagnetic materials have both civilian and defence applications, such as novel antenna designs and protection against high power transients in densely packed printed circuits. For certain applications, the materials may be required to have special frequency response or polarization response to meet the component or system specifications. An in-depth understanding of the responses of materials to electromagnetic waves may even enable us to design and fabricate materials with properties not found in nature.This book constitutes the proceedings of the Symposium on Electromagnetic Materials, which provided a forum for scientists and engineers to report the latest research findings, to exchange ideas and information, and to establish research links.

Nanomaterials and Devices

Nanomaterials and Devices Book
Author : Donglu Shi
Publisher : Elsevier
Release : 2014-09-18
ISBN : 1455777498
Language : En, Es, Fr & De

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Book Description :

Introducing the fields of nanomaterials and devices, and their applications across a wide range of academic disciplines and industry sectors, Donglu Shi bridges knowledge acquisition and practical work, providing a starting point for the research and development of applications. The book describes characterization of nanomaterials, their preparation methods and performance testing techniques; the design and development of nano-scale devices; and the applications of nanomaterials, with examples taken from different industry sectors, such as lighting, energy, bioengineering and medicine / medical devices. Key nanomaterial types are covered, such as carbon nanotubes, nanobiomaterials, nano-magnetic materials, semiconductor materials and nanocomposites. Shi also provides detailed coverage of key emerging technologies such as DNA nanotechnology and spintronics. The resulting text is equally relevant for advanced students (senior and graduate) and for engineers and scientists from a variety of different academic backgrounds working in the multi-disciplinary field of nanotechnology. Provides detailed guidance for the characterization of nanomaterials, their preparation, and performance testing Explains the principles and challenges of the design and development of nano-scale devices Explores applications through cases taken from a range of different sectors, including electronics, energy and medicine.

Modeling and Simulation of New Materials

Modeling and Simulation of New Materials Book
Author : Pedro L. Garrido,JoaquĆ­n Marro,Pablo I. Hurtado
Publisher : American Institute of Physics
Release : 2009-02-24
ISBN :
Language : En, Es, Fr & De

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Book Description :

This volume originated at the 10th Granada Seminar (a series of small topical conferences whose pedagogical effort is especially aimed at young researchers), held at the University of Granada, Spain, September 15-19, 2008, and contains the main lectures and a selection of contributed papers in that conference. This is the tenth of a series of Granada Lectures previously published by: World Scientific (Singapore 1993), Springer Verlag (Berlin 1995 and 1997) Lecture Notes in Physics volumes 448 and 493, Elsevier (Amsterdam 1999) Computer Physics Communications vols. 121 and 122, and the American Institute of Physics Conference Proceedings Series, volumes 574, 661, 779 and 887. These books and the successive editions of the Seminar since 1990 are described in detail at http://ergodic.ugr.es/cp/. An effort has been made by authors and editors to offer pedagogical notes in the present book. In particular, each topic is comprehensively described and, eventually, some practical exercises are proposed. We try to mold the Granada Lectures into a series of books that help introduce the beginner to novel advances in statistical physics and to the creative use of computers in scientific research, as well as to serve as a work of reference for teachers, students and researchers.

Comprehensive Biomaterials

Comprehensive Biomaterials Book
Author : Paul Ducheyne,Kevin Healy,Dietmar W. Hutmacher,David W. Grainger,C. James Kirkpatrick
Publisher : Elsevier
Release : 2015-08-28
ISBN : 0080552943
Language : En, Es, Fr & De

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Book Description :

Comprehensive Biomaterials brings together the myriad facets of biomaterials into one, major series of six edited volumes that would cover the field of biomaterials in a major, extensive fashion: Volume 1: Metallic, Ceramic and Polymeric Biomaterials Volume 2: Biologically Inspired and Biomolecular Materials Volume 3: Methods of Analysis Volume 4: Biocompatibility, Surface Engineering, and Delivery Of Drugs, Genes and Other Molecules Volume 5: Tissue and Organ Engineering Volume 6: Biomaterials and Clinical Use Experts from around the world in hundreds of related biomaterials areas have contributed to this publication, resulting in a continuum of rich information appropriate for many audiences. The work addresses the current status of nearly all biomaterials in the field, their strengths and weaknesses, their future prospects, appropriate analytical methods and testing, device applications and performance, emerging candidate materials as competitors and disruptive technologies, and strategic insights for those entering and operational in diverse biomaterials applications, research and development, regulatory management, and commercial aspects. From the outset, the goal was to review materials in the context of medical devices and tissue properties, biocompatibility and surface analysis, tissue engineering and controlled release. It was also the intent both, to focus on material properties from the perspectives of therapeutic and diagnostic use, and to address questions relevant to state-of-the-art research endeavors. Reviews the current status of nearly all biomaterials in the field by analyzing their strengths and weaknesses, performance as well as future prospects Presents appropriate analytical methods and testing procedures in addition to potential device applications Provides strategic insights for those working on diverse application areas such as R&D, regulatory management, and commercial development

Micromagnetic Modeling of Thermal and Opto Magnetic Effects In Nanomagnetic Materials

Micromagnetic Modeling of Thermal and Opto Magnetic Effects In Nanomagnetic Materials Book
Author : Marco Menarini
Publisher :
Release : 2020
ISBN :
Language : En, Es, Fr & De

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Book Description :

Magnetic materials are vital components of many existing and future applications, from data storage and spin-logic devices, to Terahertz sensors and artificial synapses from neuromorphing computing. Driven by the need to faster responses and high-density storage, the focus of this work is the modeling of thermal and optical excitation of magnetic materials by an external laser source. Many models focus on the use of fields or current as the primary driving force behind the change in magnetization and the models, without taking in account the optical contribution of the light, which has been shown to produce changes in magnetizing on a faster timescale than the ones observed with the use of either current or field. Moreover, granular media are usually modelled using simplistic finite difference approach or numerically intensive finite-elements approach to model every grain. These approach leads to either an unrealistic description of the media (finite-difference) or to an over-sampling of the nodes of the problem, increasing significantly the computational time required to run the simulations. This dissertation improves upon the state of the art of micromagnetic modelling by introducing a Voronoi tessellation model to simulate realistic granular structures at elevated temperature for high anisotropy materials. This approach considers the geometry of the grains for compute the far-field contribution. This approach has been proven effective in modeling realistic media for heat assisted magnetic recording and perpendicular media in general. The model presented it also introduces in the dynamic of the magnetizing the optical contribution and helps to describes complex phenomena like the ultrafast-demagnetization and the helicity dependent optical reversal of magnetic material subjected to an external optical source. While the model provides a qualitative interpretation of the experiments, additional data is required to evaluate the quantitative contribution of the optical excitation and the correctness of the thermal fluctuations. This dissertation is structured as follow. In Chapter 1 and 2 introduce key concepts of magnetism and the basic Micromagnetic model that is going to be used as the basis for the numerical simulations. In Chapter 3 I introduce a micromagnetic code based on Voronoi tessellation and the non-uniform fast Fourier transform (NUFFT) method. The code is capable of efficiently and accurately simulating magnetization dynamics in large and structurally complex granular systems, such as multilayer granular media used for perpendicular magnetic recording, bit patterned media, granular nanowires, and read heads. In these systems the granular microstructure and distributions in grain and interface properties play an important role in device performance. The presented Voronoi simulator allows comprehensive studies to be performed as it accounts for the detailed granular microstructure and distributions that characterize true systems. Simulation time is greatly reduced by a non-uniform fast Fourier transform algorithm and implementation on graphics processing units (GPUs). Simulations of conventional magnetic recording, heat-assisted magnetization reversal, domain wall dynamics in granular nanowires, and particulate tape recording are presented. Chapter 4 explores the generation of electrical field signals in the terahertz frequency (THz) range using antiferromagnets (AFM). Using micromagnetic model simulation, we investigated a potential mechanism for laser-induced THz signals in the AFM phase of FeRh/Pt bilayer films. In the simulations, the FeRh film is modelled as two Fe-sublattices coupled via intra-lattice exchange field and subjected to a sub-picosecond thermal pulse. Our simulation exposes a partial canting between the magnetizations of two Fe-sublattices, within the first picosecond after the excitation. This short-lived state relaxes abruptly into the initial AFM phase, injecting a spin current into the Pt layer via spin pumping, which will eventually be converted into charge current oscillating at THz frequency. Chapters 5 and 6 discuss the phenomenon of all-optical switching of the magnetization in magnetic nanostructures. While all-optical switching of the magnetization in magnetic nanostructures by femtosecond circularly polarized laser pulses without an external magnetic field has been demonstrated in several systems, a theoretical framework that convincingly explain the phenomenon is still missing. In Chapter 5 we propose a theory where the ferromagnetic macrospin ground state is optically excited by the circularly polarized light to a spin reversed state, which is then "Coulomb collapsed" to the magnetization reversed ground state. The optical excitation lasts for the duration of the laser pulse and the system relaxes at a fast rate due to the electron-electron interaction. In Chapter 6 we present a computational model based on this theory. We construct a three-state model for the magnetization dynamics, the Landau-Lifshitz-Lambda (LLL) model, as an ensemble of such states to account for the temperature effects. After the optical excitation lapses, the LLL model reduces to the Landau-Lifshitz-Bloch formulation, allowing to consider the magnetization relaxation dynamics at elevated temperatures. We apply the theory to simulate AOS in FePt films subject to multiple femtosecond circular polarized laser pulses. The simulation results demonstrate characteristic AOS features and agree with recent experiments. Chapter 7 identifies problems in the performance of the established stochastic model in micromagnetics in modeling the thermal fluctuations of longitudinal and transverse components of the magnetization at elevated temperature. A correct estimation of the thermal fluctuation is paramount to develop multiscale atomistic-micromagnetic models. The chapter presents a consistent solution for the diffusion coefficients that satisfy the corresponding Fokker-Planck equation and provide the correct equilibrium magnetization at elevated temperature.

Advances in Nanoengineering

Advances in Nanoengineering Book
Author : A. Giles Davies,J. M. T. Thompson
Publisher : Imperial College Press
Release : 2007
ISBN : 1848160003
Language : En, Es, Fr & De

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Book Description :

This book outlines a selection of exciting advances currently being made worldwide in the field of modern engineering at the nanometer scale. Leading scientists and engineers give a general overview of research advances in their specialized subject areas. They also describe some of their own cutting-edge research and give their visions of the future. Written in a popular and well-illustrated style, the articles are written by young scientists many of whom hold, or have held, prestigious Royal Society or EPSRC Fellowships. Carefully selected by Professor A G Davies and Professor J M T Thompson FRS, topics include: the fabrication and measurement of nanoelectronic devices, organic conductors, and bioelectronic materials; the assembly of such structures into appropriate configurations, including the use of biological processes to drive the assembly; the development of new materials including both organic and inorganic wires, carbon nanotubes, and magnetic materials; and finally, the analysis and characterization of these structures. The book conveys the excitement and enthusiasm of the authors for their work at the frontiers of modern engineering nanotechnology. All are definitive reviews for readers with a general interest in the future directions of science and engineering at the nanometer scale. Sample Chapter(s). Introduction (169 KB). Chapter 1: The Shape of Carbon: Novel Materials for the 21st Century (3,001 KB). Contents: The Shape of Carbon: Novel Materials for the 21st Century (H Terrones & M Terrones); Inorganic Nanowires (C Ducati); Multilayered Materials: A Palette for the Materials Artist (J M Molina-Aldareguia & S J Lloyd); Nature as Chief Engineer (S R Hall); Supramolecular Chemistry: The OC Bottom UpOCO Approach to Nanoscale Systems (P A Gale); Molecular Self-Assembly: A Toolkit for Engineering at the Nanometer Scale (C Wnlti); Exploring Tunnel Transport Through Protein at the Molecular Level (J J Davis et al.); Two Frontiers of Electronic Engineering: Size and Frequency (J Cunningham); Erasable Electrostatic Lithography to Fabricate Quantum Devices (R Crook); Ultrafast Nanomagnets: Seeing Data Storage in a New Light (R J Hicken); Near-Field Microscopy: Throwing Light on the Nanoworld (D Richards); Small Things Bright and Beautiful: Single Molecule Fluorescence Detection (M A Osborne). Readership: Graduate students, academics and researchers in nanotechnology. General audience with a scientific background at degree level."

Nanostructuring Operations in Nanoscale Science and Engineering

Nanostructuring Operations in Nanoscale Science and Engineering Book
Author : Kal Sharma
Publisher : McGraw Hill Professional
Release : 2009-09-20
ISBN : 0071626093
Language : En, Es, Fr & De

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Book Description :

State-of-the-art nanostructuring principles, methods, and aplications Synthesize, characterize, and deploy highly miniaturized components using the theories and techniques contained in this comprehensive resource. Written by a nanotechnology expert, this authoritative volume covers the latest advances along with detailed schematics and real-world applications in engineering and the life sciences. Inside, 37 different nanostructuring methods and 16 different kinds of nanostructures are discussed. Nanostructuring Operations in Nanoscale Science and Engineering explains how to manufacture high-purity fullerenes, assemble carbon nanotubes, and use nanofluids and nanowires. You will also learn how to develop high-performance biochips, work with biomimetics, and design molecular machines. The book includes 540 end-of-chapter review questions to reinforce the material covered. Learn how to: Produce fullerenes using metallurgic, solar, and electric arc methods Use arc discharge, laser ablation, CVD, and HIPCO to create CNTs Build nanostructures with vacuum synthesis, gas evaporation, and lithography Work with quantum dots, polymer thin films, nanofluids, and nanoceramics Develop biochips, biological nanovalves, and molecular machines Mimic biological characteristics and organic self-repair using biomimetics Model nanoscale effects with relativistic and Laplace transforms Characterize nanoscale material using x-ray and helium ion microscope

Nanoelectronics

Nanoelectronics Book
Author : Mircea Dragoman,Daniela Dragoman
Publisher : Artech House Publishers
Release : 2009
ISBN :
Language : En, Es, Fr & De

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Book Description :

This newly revised edition of the popular Artech House book, Nanoelectronics: Principles and Devices, provides a current, unified treatment of the research, technology, and applications fueling the rapid growth of nanoelectronics. It brings together the solid-state physics, quantum mechanics, biology, and electronics now converging to blaze exciting new trails in both the development of nanoscale devices and in our understanding of physical properties and phenomena never before seen at larger scale.

Nanoscience and Technology

Nanoscience and Technology Book
Author : Chun Li Bai,Si Shen Xie,Xing Zhu
Publisher : Trans Tech Publications Ltd
Release : 2007-03-15
ISBN : 3038131385
Language : En, Es, Fr & De

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Book Description :

Volume is indexed by Thomson Reuters CPCI-S (WoS). Nanotechnology has been a priority research field in many countries, because new discoveries in this field have the potential power to unravel new phenomena and new principles of materials use. This collection of knowledge concerning frontier issues in nanotechnology will aid the further promotion of the integration of nanotechnology and industry.

Oxford Handbook of Nanoscience and Technology

Oxford Handbook of Nanoscience and Technology Book
Author : A. V. Narlikar,Y. Y. Fu
Publisher : OUP Oxford
Release : 2010-02-11
ISBN : 0191035513
Language : En, Es, Fr & De

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Book Description :

This is an agenda-setting and high-profile book that presents an authoritative and cutting-edge analysis of nanoscience and technology. The Oxford Handbook of Nanoscience and Technology provides a comprehensive and accessible overview of the major achievements in different aspects of this field. The Handbook comprises 3 volumes, structured thematically, with 25 chapters each. Volume I presents fundamental issues of basic physics, chemistry, biochemistry, tribology etc. of nanomaterials. Volume II focuses on the progress made with host of nanomaterials including DNA and protein based nanostructures. Volume III highlights engineering and related developments, with a focus on frontal application areas. All chapters are written by noted international experts in the field. The book should be useful for final year undergraduates specializing in the field. It should prove indispensable to graduate students, and serious researchers from academic and industrial sectors working in the field of Nanoscience and Technology from different disciplines including Physics, Chemistry, Biochemistry, Biotechnology, Medicine, Materials Science, Metallurgy, Ceramics, Information Technology as well as Electrical, Electronic and Computational Engineering.

Solid state chemistry of inorganic materials IV

Solid state chemistry of inorganic materials IV Book
Author : Materials Research Society. Meeting
Publisher :
Release : 2003
ISBN :
Language : En, Es, Fr & De

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Book Description :

Solid-state chemistry, a discipline that can be defined in general terms as the chemistry of solids for being solids and not liquids or gases, is today a well-established subject. Since its inception in the middle of the 20th century, solid-state chemistry has attained an important degree of maturity within the chemical sciences. In the same way that chemistry itself is considered a "central science, solid-state chemistry is central in its many relations to physics, in particular to solid-state physics--a much older discipline, started around the 20's of the same century--and also to materials science and engineering. There are few problems in materials science or engineering in which the preparation of the material itself is not a central issue and, more often than not, this will be a solid-state chemical problem. For these reasons, it is not surprising that in the technological development of the last century, solid-state chemistry has grown in importance. It is not only a synthesis science,it is also the science of structures, defects, stoichiometry, and physical chemical properties--electrical, magnetic, optical and thermal, to name a few. Most of these are explored in the volume, the fourth in a series from the Materials Research Society on solid-state chemistry of inorganic materials.

Nanophase and Nanocomposite Materials IV

Nanophase and Nanocomposite Materials IV  Book
Author : Sridhar Komarneni
Publisher : Materials Research Society
Release : 2002
ISBN :
Language : En, Es, Fr & De

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Book Description :

The MRS Symposium Proceeding series is an internationally recognised reference suitable for researchers and practitioners.

Ninth International Conference on Ferrites ICF 9

Ninth International Conference on Ferrites  ICF 9  Book
Author : R. F. Soohoo
Publisher : Wiley-Blackwell
Release : 2005
ISBN :
Language : En, Es, Fr & De

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Book Description :

This proceedings includes 147 papers covering the latest scientific and technological developments in ferrites and related materials in three broad subject categories: Basic Science, Processing and Applications, and Special Topics and New Horizons. There are two main categories for ferrites: hard ferrites (permanent magnets) and soft ferrites. Topics covered are energy conversion, magnetite biomineralization, microwave ferrites, magneto-optical properties and applications of ferrite films, bonded magnets, physics of electronic superstructures in magnetite, physics of perovskites, nanostructural ferrites, and multilayer chip inductors.

Nanodiffusion

Nanodiffusion Book
Author : D. L. Beke
Publisher : Trans Tech Publication
Release : 2004-01-01
ISBN : 9780878494941
Language : En, Es, Fr & De

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Book Description :

This book offers a contemporary overview of nanodiffusion, and details the present state of this rapidly growing field. New conceptions of basic aspects of the diffusion processes occurring at the nanoscale are treated, and many useful insights and results concerning diffusion kinetics in various types of technologically important nanomaterials are presented. The latter include: nanomagnetic materials, consisting of a mixture of magnetic nanoparticles in a residual amorphous magnetic matrix; thin films, bi-layers and multilayers for X-ray or neutron mirrors and for magneto-electronic applications such as GMR; and semiconductor nanosystems for many current and future applications.