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Author: Hyuk Jae Choi
Publisher:
ISBN:
Category :
Languages : en
Pages : 262
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Book Description
Author: Hyuk Jae Choi
Publisher:
ISBN:
Category :
Languages : en
Pages : 262
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author: Allan B. MacIsaac
Publisher:
ISBN:
Category : Thin films
Languages : en
Pages : 0
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Author: L.J. de Jongh
Publisher: Springer Science & Business Media
ISBN: 9400918607
Category : Science
Languages : en
Pages : 430
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Book Description
In the last two decades low-dimensional (low-d) physics has matured into a major branch of science. Quite generally we may define a system with restricted dimensionality d as an object that is infinite only in one or two spatial directions (d = 1 and 2). Such a definition comprises isolated single chains or layers, but also fibres and thin layers (films) of varying but finite thickness. Clearly, a multitude of physical phenomena, notably in solid state physics, fall into these categories. As examples, we may mention: • Magnetic chains or layers (thin-film technology). • Metallic films (homogeneous or heterogeneous, crystalline, amorphous or microcristalline, etc.). • I-d or 2-d conductors and superconductors. • Intercalated systems. • 2-d electron gases (electrons on helium, semiconductor interfaces). • Surface layer problems (2-d melting of monolayers of noble gases on a substrate, surface problems in general). • Superfluid films of ~He or 'He. • Polymer physics. • Organic and inorganic chain conductors, superionic conductors. • I-d or 2-d molecular crystals and liquid crystals. • I-d or 2-d ferro- and antiferro electrics.
Author: Katayun Barmak
Publisher: Woodhead Publishing
ISBN: 085709629X
Category : Technology & Engineering
Languages : en
Pages : 671
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Book Description
Metallic films play an important role in modern technologies such as integrated circuits, information storage, displays, sensors, and coatings. Metallic Films for Electronic, Optical and Magnetic Applications reviews the structure, processing and properties of metallic films. Part one explores the structure of metallic films using characterization methods such as x-ray diffraction and transmission electron microscopy. This part also encompasses the processing of metallic films, including structure formation during deposition and post-deposition reactions and phase transformations. Chapters in part two focus on the properties of metallic films, including mechanical, electrical, magnetic, optical, and thermal properties. Metallic Films for Electronic, Optical and Magnetic Applications is a technical resource for electronics components manufacturers, scientists, and engineers working in the semiconductor industry, product developers of sensors, displays, and other optoelectronic devices, and academics working in the field. - Explores the structure of metallic films using characterization methods such as x-ray diffraction and transmission electron microscopy - Discusses processing of metallic films, including structure formation during deposition and post-deposition reactions and phase transformations - Focuses on the properties of metallic films, including mechanical, electrical, magnetic, optical, and thermal properties
Author: Jean-Claude Serge Levy
Publisher: CRC Press
ISBN: 1315359227
Category : Science
Languages : en
Pages : 377
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Book Description
Magnetic nanoparticles appear naturally in rock magnetism together with a large distribution of sizes and shapes. They have numerous applications from nano-size magnetic memories to metamaterials for electromagnetic waves as well as biological applications such as nanosurgery with minimal traumatism. Their long-ranged size- and shape-dependent dipolar interactions provide numerous useful properties. This book describes the preparation as well as the magnetic properties of nanoparticles and also considers 2D dots, nearly spherical samples, elongated samples, and various assemblies of nanoparticles. The authors report the static magnetic structures and dynamic properties of these nanoparticles and the topological defects in 2D and 3D nanoparticles with new examples of S-shaped vortex or antivortex and of bent vortex or antivortex in 3D nanoparticles. The spectrum of magnetic excitations is shown to exhibit the occurrence of gaps, a key for magnonic metamaterial devices. Magnetic excited states are also considered with their coupling to nanoparticle elastic properties.
Author:
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ISBN:
Category : Chalcogenides
Languages : en
Pages : 97
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Book Description
Layered two dimensional films have been a topic of interest in the materials science community driven by the intriguing properties demonstrated in graphene. Tunable layer dependent electrical and magnetic properties have been shown in these materials and the ability to grow in the hexagonal phase provides opportunities to grow isostructural stacked heterostructures. In this investigation, cobalt selenide (CoSe) and nickel selenide (NiSe) were grown in the hexagonal phase, which consist of central metal atoms that are natively ferromagnetic in bulk, hence providing the potential for interesting magnetic phases in thin film arrangements as well. These structures may play a role in future progress in materials science and computing as magnetic tunnel junction layers or in the realm of spintronic computing. Thin films of long-range order CoSe and NiSe were grown via atomic layer deposition (ALD) and characterized for their crystalline phase, surface qualities, and magnetic properties. Characterization yielded films of long-range order which displayed paramagnetic behavior. Density functional theory (DFT) was utilized to first model the underlying structures of these materials. The lattice constants calculated were in close agreement with the values determined via x-ray diffraction. Also, the magnetron values determined using DFT were within predictable errors to those determined from the SQUID data. Spin polarized charge density maps were generated to yield the possible mechanisms of magnetism within the samples. It was found that unpaired electrons tended to occupy the edges of the layered structures in both NiSe and CoSe. CoSe showed a much higher density at the terminal edges than NiSe. It is believed that unpaired electrons at the edges dominate the magnetic properties of these materials.
Author: Sukumar Basu
Publisher: BoD – Books on Demand
ISBN: 1789854377
Category : Technology & Engineering
Languages : en
Pages : 274
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Book Description
This book, "Multilayer Thin Films-Versatile Applications for Materials Engineering", includes thirteen chapters related to the preparations, characterizations, and applications in the modern research of materials engineering. The evaluation of nanomaterials in the form of different shapes, sizes, and volumes needed for utilization in different kinds of gadgets and devices. Since the recently developed two-dimensional carbon materials are proving to be immensely important for new configurations in the miniature scale in the modern technology, it is imperative to innovate various atomic and molecular arrangements for the modifications of structural properties. Of late, graphene and graphene-related derivatives have been proven as the most versatile two-dimensional nanomaterials with superb mechanical, electrical, electronic, optical, and magnetic properties. To understand the in-depth technology, an effort has been made to explain the basics of nano dimensional materials. The importance of nano particles in various aspects of nano technology is clearly indicated. There is more than one chapter describing the use of nanomaterials as sensors. In this volume, an effort has been made to clarify the use of such materials from non-conductor to highly conducting species. It is expected that this book will be useful to the postgraduate and research students as this is a multidisciplinary subject.
Author: Changzheng Wu
Publisher: Royal Society of Chemistry
ISBN: 1782624651
Category : Science
Languages : en
Pages : 428
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Book Description
Inorganic Two-Dimensional Nanomaterials provides an overview of the development on inorganic two-dimensional nanomaterials from computational simulation and theoretical understanding to applications in energy conversion and storage.
Author:
Publisher:
ISBN: 9788416272792
Category :
Languages : en
Pages : 187
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