Micromagnetic Simulation Of Magnetic Switching Behavior Of Permalloy Nanocaps

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Micromagnetic Simulation of Magnetic Switching Behavior of Permalloy Nanocaps

Author : Angel Gomez (Graduate student)
Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.3/5 (744 download)

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Book Synopsis Micromagnetic Simulation of Magnetic Switching Behavior of Permalloy Nanocaps by : Angel Gomez (Graduate student)

Download or read book Micromagnetic Simulation of Magnetic Switching Behavior of Permalloy Nanocaps written by Angel Gomez (Graduate student) and published by . This book was released on 2022 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: Magnetic hysteresis loops of Permalloy nanocap thin films are simulated using MuMax3, micromagnetic simulation program, to study the magnetic switching behavior of curved magnetic thin films such as nanocap. Four different shapes are introduced to construct a single nanocap used in the simulation. For a given shape, different thicknesses of the nanocap (20 nm, 40 nm, 80 nm, and 100 nm) with a fixed diameter of 400 nm, and different diameters of nanosphere (400 nm, 600 nm, 800 nm, and 900 nm) with a fixed thickness of 20 nm were studied in the simulation. Simulation results were compared to investigate how the thickness and diameter will change the magnetic switching behavior of nanocap thin films. Hysteresis loops showed more drastic change with varying the thickness compared to the diameter. To check how the different ways of distributing the same amount of material will affect the hysteresis loops, magnetic hysteresis loops of the nanocaps in four different shapes with the same volume were compared. Based on the comparison among the different shapes the one showing the hysteresis loops with well-defined coercivity was chosen and further simulations on extended shapes were made. Seven nanocaps in a hexagonal pattern were simulated to observe how the interaction among the nanocaps changes the magnetic switching behavior of the system. To remove the edge effect, seven nanocaps were extended to a grid pattern where it maintains the self-assembled pattern with periodic boundary conditions. It was found that magnetic vortices were more likely to form when there was interaction among the nanocaps. The magnetic switching behavior of the grid resembled the hexagonal pattern and the single nanocap when the diameter was 600 nm and higher.

Investigation of the Magnetic Switching Behavior for the Thin Film Permalloy Deposited Over a Monolayer of Nano/microspheres

Author : Zachary Minaker (Graduate student)
Publisher :
ISBN 13 :
Total Pages : 74 pages
Book Rating : 4.4/5 (965 download)

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Book Synopsis Investigation of the Magnetic Switching Behavior for the Thin Film Permalloy Deposited Over a Monolayer of Nano/microspheres by : Zachary Minaker (Graduate student)

Download or read book Investigation of the Magnetic Switching Behavior for the Thin Film Permalloy Deposited Over a Monolayer of Nano/microspheres written by Zachary Minaker (Graduate student) and published by . This book was released on 2021 with total page 74 pages. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: A curved surface and nanoscale structure can add to a thin film of magnetic material to produce interesting magnetic properties not shown in normal flat magnetic thin film. In this work, how magnetic properties of permalloy magnetic thin films deposited on the curved surface change from its dependence on several parameters was studied. The structured curvature was introduced by means of nanocapping a close-packed monolayer of nanospheres. Three different sizes, 400 nm, 1 [mu]m, and 10 [mu]m diameter nanospheres were used to produce monolayer templates. Focus was turned to the 10 m templates, since the fabrication of that template most consistently produced the more uniform monolayer and quickest to deposit. The primary goal of this study is to investigate how varying the thickness of permalloy from 10 nm to 80 nm changes the magnetic switching behavior. By Alternating Gradient Magnetometry, we study how the coercivity of magnetic hysteresis depends on the thickness of the structured permalloy thin film. Results reveal, when compared to flat permalloy thin films, the curved geometry of the monolayer structure significantly alters the coercivity of the thin film. The magnetic switching behavior of permalloy nanocaps contains both interesting linear and non-linear dependencies with respect to the film thickness.

Micromagnetic Modeling of Nanoscale Nickel Dots, and Films, and Thin Permalloy Films

Author : Andrew Barry Kunz
Publisher :
ISBN 13 :
Total Pages : 276 pages
Book Rating : 4.:/5 (319 download)

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Book Synopsis Micromagnetic Modeling of Nanoscale Nickel Dots, and Films, and Thin Permalloy Films by : Andrew Barry Kunz

Download or read book Micromagnetic Modeling of Nanoscale Nickel Dots, and Films, and Thin Permalloy Films written by Andrew Barry Kunz and published by . This book was released on 2000 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Scanning Tunneling Microscopy II

Author : Roland Wiesendanger
Publisher : Springer Science & Business Media
ISBN 13 : 3642793665
Total Pages : 359 pages
Book Rating : 4.6/5 (427 download)

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Book Synopsis Scanning Tunneling Microscopy II by : Roland Wiesendanger

Download or read book Scanning Tunneling Microscopy II written by Roland Wiesendanger and published by Springer Science & Business Media. This book was released on 2013-03-08 with total page 359 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scanning Tunneling Microscopy II, like its predecessor, presents detailed and comprehensive accounts of the basic principles and the broad range of applications of STM and related scanning probe techniques. The applications discussed in this volume come predominantly from the fields of electrochemistry and biology. In contrast to those in STM I, these studies may be performed in air and in liquids. The extensions of the basic technique to map other interactions are described in chapters on scanning force microscopy, magnetic force microscopy, and scanning near-field optical microscopy, together with a survey of other related techniques. Also discussed here is the use of a scanning proximal probe for surface modification. Together, the two volumes give a comprehensive account of experimental aspects of STM and provide essential reading and reference material. In this second edition the text has been updated and new methods are discussed.

Modern Magnetism

Author :
Publisher : CUP Archive
ISBN 13 :
Total Pages : 532 pages
Book Rating : 4./5 ( download)

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Book Synopsis Modern Magnetism by :

Download or read book Modern Magnetism written by and published by CUP Archive. This book was released on with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Nanostructured Thin Films

Author : Maria Benelmekki
Publisher : Elsevier
ISBN 13 : 0081025734
Total Pages : 334 pages
Book Rating : 4.0/5 (81 download)

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Book Synopsis Nanostructured Thin Films by : Maria Benelmekki

Download or read book Nanostructured Thin Films written by Maria Benelmekki and published by Elsevier. This book was released on 2019-08-25 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: Nanostructured Thin Films: Fundamentals and Applications presents an overview of the synthesis and characterization of thin films and their nanocomposites. Both vapor phase and liquid phase approaches are discussed, along with the methods that are sufficiently attractive for large-scale production. Examples of applications in clean energy, sensors, biomedicine, anticorrosion and surface modification are also included. As the applications of thin films in nanomedicine, cell phones, solar cell-powered devices, and in the protection of structural materials continues to grow, this book presents an important research reference for anyone seeking an informed overview on their structure and applications. Shows how thin films are being used to create more efficient devices in the fields of medicine and energy harvesting Discusses how to alter the design of nanostructured thin films by vapor phase and liquid phase methods Explores how modifying the structure of thin films for specific applications enhances their performance

Magnetism

Author : Joachim Stöhr
Publisher : Springer Science & Business Media
ISBN 13 : 3540302832
Total Pages : 827 pages
Book Rating : 4.5/5 (43 download)

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Book Synopsis Magnetism by : Joachim Stöhr

Download or read book Magnetism written by Joachim Stöhr and published by Springer Science & Business Media. This book was released on 2007-01-19 with total page 827 pages. Available in PDF, EPUB and Kindle. Book excerpt: This text book gives a comprehensive account of magnetism, one of the oldest yet most vibrant fields of physics. It spans the historical development, the physical foundations and the continuing research underlying the subject. The book covers both the classical and quantum mechanical aspects of magnetism and novel experimental techniques. Perhaps uniquely, it discusses spin transport and magnetization dynamics phenomena associated with atomically and spin engineered nano-structures against the backdrop of spintronics and magnetic storage and memory applications. The book is for students, and serves as a reference for scientists in academia and research laboratories.

Topology in Magnetism

Author : Jiadong Zang
Publisher : Springer
ISBN 13 : 3319973347
Total Pages : 426 pages
Book Rating : 4.3/5 (199 download)

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Book Synopsis Topology in Magnetism by : Jiadong Zang

Download or read book Topology in Magnetism written by Jiadong Zang and published by Springer. This book was released on 2018-09-24 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents both experimental and theoretical aspects of topology in magnetism. It first discusses how the topology in real space is relevant for a variety of magnetic spin structures, including domain walls, vortices, skyrmions, and dynamic excitations, and then focuses on the phenomena that are driven by distinct topology in reciprocal momentum space, such as anomalous and spin Hall effects, topological insulators, and Weyl semimetals. Lastly, it examines how topology influences dynamic phenomena and excitations (such as spin waves, magnons, localized dynamic solitons, and Majorana fermions). The book also shows how these developments promise to lead the transformative revolution of information technology.

Sputtering Materials for VLSI and Thin Film Devices

Author : Jaydeep Sarkar
Publisher : William Andrew
ISBN 13 : 0815519877
Total Pages : 614 pages
Book Rating : 4.8/5 (155 download)

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Book Synopsis Sputtering Materials for VLSI and Thin Film Devices by : Jaydeep Sarkar

Download or read book Sputtering Materials for VLSI and Thin Film Devices written by Jaydeep Sarkar and published by William Andrew. This book was released on 2010-12-13 with total page 614 pages. Available in PDF, EPUB and Kindle. Book excerpt: An important resource for students, engineers and researchers working in the area of thin film deposition using physical vapor deposition (e.g. sputtering) for semiconductor, liquid crystal displays, high density recording media and photovoltaic device (e.g. thin film solar cell) manufacturing. This book also reviews microelectronics industry topics such as history of inventions and technology trends, recent developments in sputtering technologies, manufacturing steps that require sputtering of thin films, the properties of thin films and the role of sputtering target performance on overall productivity of various processes. Two unique chapters of this book deal with productivity and troubleshooting issues. The content of the book has been divided into two sections: (a) the first section (Chapter 1 to Chapter 3) has been prepared for the readers from a range of disciplines (e.g. electrical, chemical, chemistry, physics) trying to get an insight into use of sputtered films in various devices (e.g. semiconductor, display, photovoltaic, data storage), basic of sputtering and performance of sputtering target in relation to productivity, and (b) the second section (Chapter 4 to Chapter 8) has been prepared for readers who already have background knowledge of sputter deposition of thin films, materials science principles and interested in the details of sputtering target manufacturing methods, sputtering behavior and thin film properties specific to semiconductor, liquid crystal display, photovoltaic and magnetic data storage applications. In Chapters 5 to 8, a general structure has been used, i.e. a description of the applications of sputtered thin films, sputtering target manufacturing methods (including flow charts), sputtering behavior of targets (e.g. current - voltage relationship, deposition rate) and thin film properties (e.g. microstructure, stresses, electrical properties, in-film particles). While discussing these topics, attempts have been made to include examples from the actual commercial processes to highlight the increased complexity of the commercial processes with the growth of advanced technologies. In addition to personnel working in industry setting, university researchers with advanced knowledge of sputtering would also find discussion of such topics (e.g. attributes of target design, chamber design, target microstructure, sputter surface characteristics, various troubleshooting issues) useful. . Unique coverage of sputtering target manufacturing methods in the light of semiconductor, displays, data storage and photovoltaic industry requirements Practical information on technology trends, role of sputtering and major OEMs Discussion on properties of a wide variety of thin films which include silicides, conductors, diffusion barriers, transparent conducting oxides, magnetic films etc. Practical case-studies on target performance and troubleshooting Essential technological information for students, engineers and scientists working in the semiconductor, display, data storage and photovoltaic industry

Ultrafast Magnetization Dynamics

Author : Simon Woodford
Publisher : Forschungszentrum Jülich
ISBN 13 : 3893365362
Total Pages : 137 pages
Book Rating : 4.8/5 (933 download)

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Book Synopsis Ultrafast Magnetization Dynamics by : Simon Woodford

Download or read book Ultrafast Magnetization Dynamics written by Simon Woodford and published by Forschungszentrum Jülich. This book was released on 2008 with total page 137 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Quantum Field Theory in Condensed Matter Physics

Author : Alexei M. Tsvelik
Publisher : Cambridge University Press
ISBN 13 : 1139440500
Total Pages : 361 pages
Book Rating : 4.1/5 (394 download)

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Book Synopsis Quantum Field Theory in Condensed Matter Physics by : Alexei M. Tsvelik

Download or read book Quantum Field Theory in Condensed Matter Physics written by Alexei M. Tsvelik and published by Cambridge University Press. This book was released on 2007-01-18 with total page 361 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is a course in modern quantum field theory as seen through the eyes of a theorist working in condensed matter physics. It contains a gentle introduction to the subject and therefore can be used even by graduate students. The introductory parts include a derivation of the path integral representation, Feynman diagrams and elements of the theory of metals including a discussion of Landau–Fermi liquid theory. In later chapters the discussion gradually turns to more advanced methods used in the theory of strongly correlated systems. The book contains a thorough exposition of such non-perturbative techniques as 1/N-expansion, bosonization (Abelian and non-Abelian), conformal field theory and theory of integrable systems. The book is intended for graduate students, postdoctoral associates and independent researchers working in condensed matter physics.

2015 Ieee International Magnetics Conference (Intermag)

Author : IEEE Staff
Publisher :
ISBN 13 : 9781479973231
Total Pages : pages
Book Rating : 4.9/5 (732 download)

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Book Synopsis 2015 Ieee International Magnetics Conference (Intermag) by : IEEE Staff

Download or read book 2015 Ieee International Magnetics Conference (Intermag) written by IEEE Staff and published by . This book was released on 2015-05-11 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: INTERMAG is the premier conference on all aspects of applied magnetism, and all members of the international scientific communities interested in new developments in magnetism and associated technologies are invited to attend and submit their latest findings

Magnetic Heterostructures

Author : H. Zabel
Publisher : Springer
ISBN 13 : 3540734627
Total Pages : 373 pages
Book Rating : 4.5/5 (47 download)

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Book Synopsis Magnetic Heterostructures by : H. Zabel

Download or read book Magnetic Heterostructures written by H. Zabel and published by Springer. This book was released on 2007-10-26 with total page 373 pages. Available in PDF, EPUB and Kindle. Book excerpt: Heterostructures consist of combinations of different materials, which are in contact through at least one interface. Magnetic heterostructures combine different physical properties which do not exist in nature. This book provides the first comprehensive overview of an exciting and fast developing field of research, which has already resulted in numerous applications and is the basis for future spintronic devices.

Statistical Physics of Fields

Author : Mehran Kardar
Publisher : Cambridge University Press
ISBN 13 : 1139855883
Total Pages : 376 pages
Book Rating : 4.1/5 (398 download)

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Book Synopsis Statistical Physics of Fields by : Mehran Kardar

Download or read book Statistical Physics of Fields written by Mehran Kardar and published by Cambridge University Press. This book was released on 2007-06-07 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: While many scientists are familiar with fractals, fewer are familiar with scale-invariance and universality which underlie the ubiquity of their shapes. These properties may emerge from the collective behaviour of simple fundamental constituents, and are studied using statistical field theories. Initial chapters connect the particulate perspective developed in the companion volume, to the coarse grained statistical fields studied here. Based on lectures taught by Professor Kardar at MIT, this textbook demonstrates how such theories are formulated and studied. Perturbation theory, exact solutions, renormalization groups, and other tools are employed to demonstrate the emergence of scale invariance and universality, and the non-equilibrium dynamics of interfaces and directed paths in random media are discussed. Ideal for advanced graduate courses in statistical physics, it contains an integrated set of problems, with solutions to selected problems at the end of the book and a complete set available to lecturers at www.cambridge.org/9780521873413.

Magnetic Nanostructures

Author : Hari Singh Nalwa
Publisher :
ISBN 13 : 9781588830005
Total Pages : 0 pages
Book Rating : 4.8/5 (3 download)

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Book Synopsis Magnetic Nanostructures by : Hari Singh Nalwa

Download or read book Magnetic Nanostructures written by Hari Singh Nalwa and published by . This book was released on 2002 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Twelve contributions comprise a reference source that is a coherent presentation of the state of the art in this fast growing area of nanotechnology research. Magnetic nanostructures are important for their phenomenal potential for storage; their great commercial value will come from applications in

High Density Data Storage

Author : Yanlin Song
Publisher : World Scientific
ISBN 13 : 9812834699
Total Pages : 272 pages
Book Rating : 4.8/5 (128 download)

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Book Synopsis High Density Data Storage by : Yanlin Song

Download or read book High Density Data Storage written by Yanlin Song and published by World Scientific. This book was released on 2009 with total page 272 pages. Available in PDF, EPUB and Kindle. Book excerpt: The explosive increase in information and the miniaturization of electronic devices demand new recording technologies and materials that combine high density, fast response, long retention time and rewriting capability. As predicted, the current silicon-based computer circuits are reaching their physical limits. Further miniaturization of the electronic components and increase in data storage density are vital for the next generation of IT equipment such as ultra high-speed mobile computing, communication devices and sophisticated sensors. This original book presents a comprehensive introduction to the significant research achievements on high-density data storage from the aspects of recording mechanisms, materials and fabrication technologies, which are promising for overcoming the physical limits of current data storage systems. The book serves as an useful guide for the development of optimized materials, technologies and device structures for future information storage, and will lead readers to the fascinating world of information technology in the future.

Plant Cell Wall Analysis

Author : Hans F. Linskens
Publisher : Springer
ISBN 13 : 9783642646447
Total Pages : 0 pages
Book Rating : 4.6/5 (464 download)

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Book Synopsis Plant Cell Wall Analysis by : Hans F. Linskens

Download or read book Plant Cell Wall Analysis written by Hans F. Linskens and published by Springer. This book was released on 2011-10-01 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Methods of Plant Analysis When the handbook Modern Methods of Plant Analysis, was first introduced in 1954, the considerations were: 1. the dependence of scientific progress in biology on the improvement of existing and the introduction of new methods; 2. the difficulty in finding many new analytical methods in specialized journals which are normally not accessible to experimental plant biologists; 3. the fact that in the methods sections of papers the description of methods is frequently so compact, or even sometimes to incomplete, that it is difficult to reproduce experiments. These considerations still stand today. The series was highly successful, seven volumes appearing between 1956 and 1964. Since there is still today a demand for the old series, the publisher has decided to resume publication of Modern Methods of Plant Analysis. It is hoped that the New Series will be just as acceptable to those working in plant sciences and related fields as the early volumes undoubtedly were. It is difficult to single out the major reasons for the success of any publication, but we believe that the methods published in the first series were up-to-date at the time and presented in a way that made description, as applied to plant material, complete in itself with little need to consult other publications. Contribution authors have attempted to follow these guidelines in this New Series of volumes. Editorial The earlier series of Modern Methods of Plant Analysis was initiated by Michel V.