Correlation Between Mechanical Parameters for Amorphous Chalcogenide Films

Correlation Between Mechanical Parameters for Amorphous Chalcogenide Films PDF Author: T. N. Shchurova
Publisher:
ISBN:
Category :
Languages : en
Pages : 8

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Book Description
Young's modulus, linear thermal expansion coefficient, stress, microhardness, wear resistance, adhesion and cohesion strength for thin films of As2S3, As2Se3, Ge28Sb12Se60, Ge33As12Se55 and Ge36As4S60 chalcogenide glasses thermally deposited onto unheated zinc selenide substrates have been determined. The interrelationship between mechanical parameters of the films has been studied. Wear resistance of chalcogenide films has been found to be related to the adhesive force and mechanical parameters used in the formal theory of glass strength. The effect of the additional stress arising in result of the temperature increase under friction on the wear resistance of the films has been shown.

Correlation Between Mechanical Parameters for Amorphous Chalcogenide Films

Correlation Between Mechanical Parameters for Amorphous Chalcogenide Films PDF Author: T. N. Shchurova
Publisher:
ISBN:
Category :
Languages : en
Pages : 8

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Book Description
Young's modulus, linear thermal expansion coefficient, stress, microhardness, wear resistance, adhesion and cohesion strength for thin films of As2S3, As2Se3, Ge28Sb12Se60, Ge33As12Se55 and Ge36As4S60 chalcogenide glasses thermally deposited onto unheated zinc selenide substrates have been determined. The interrelationship between mechanical parameters of the films has been studied. Wear resistance of chalcogenide films has been found to be related to the adhesive force and mechanical parameters used in the formal theory of glass strength. The effect of the additional stress arising in result of the temperature increase under friction on the wear resistance of the films has been shown.

Nanomaterials for Security

Nanomaterials for Security PDF Author: Janez BonĨa
Publisher: Springer
ISBN: 9401775931
Category : Science
Languages : en
Pages : 337

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Book Description
This book comprises 25 contributions focussed on nanotechnology for sensor applications. They stem from presentations at the NATO Advanced Research Workshop "Nanomaterials for Security". The chapters cover a broad but interrelated range of topics, including nanophysics, nanotechnology, nanomaterials, sensors, biosensor security systems, and explosive detection. They reflect many significant advances over the past two years as well as some entirely new directions of research that are just beginning to be explored.

Amorphous Chalcogenides

Amorphous Chalcogenides PDF Author: Victor I. Mikla
Publisher: Elsevier
ISBN: 0123884349
Category : Technology & Engineering
Languages : en
Pages : 173

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Book Description
Amorphous chalcogenide semiconductors have commercial value and have many uses such as image formation, including x-rays, and high-definition TV pick up tubes. They have widespread application in the microelectronics industry and amorphous metallic alloys also have useful magnetic properties.This book focuses on their imaging applications and related properties. It examines the two groups of amorphous semiconductors that are of most commercial interest:1. the chalcogenide glasses2. the tetrahedrally bonded amorphous solids such as amorphous silicon, germanium and related alloysBoth of these groups may be conveniently prepared in the form of thin/thick films which is of considerable importance in applications where large-area coverage of flat or curved surfaces of rigid or flexible materials is desirable such as in photovoltaic arrays, X-Ray sensors, display screens and photocopier drums. - Provides information on the amorphous semiconductors that are of most commercial interest - Presents the history of the commercial applications, the latest developments and future possibilities

Amorphous Chalcogenide Semiconductors and Related Materials

Amorphous Chalcogenide Semiconductors and Related Materials PDF Author: Keiji Tanaka
Publisher: Springer Nature
ISBN: 3030695980
Category : Technology & Engineering
Languages : en
Pages : 300

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Book Description
This book provides introductory, comprehensive, and concise descriptions of amorphous chalcogenide semiconductors and related materials. It includes comparative portraits of the chalcogenide and related materials including amorphous hydrogenated Si, oxide and halide glasses, and organic polymers. It also describes effects of non-equilibrium disorder, in comparison with those in crystalline semiconductors.

World Scientific Reference Of Amorphous Materials, The: Structure, Properties, Modeling And Main Applications (In 3 Volumes)

World Scientific Reference Of Amorphous Materials, The: Structure, Properties, Modeling And Main Applications (In 3 Volumes) PDF Author:
Publisher: World Scientific
ISBN: 9811215944
Category : Technology & Engineering
Languages : en
Pages : 1548

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Book Description
Amorphous solids (including glassy and non-crystalline solids) are ubiquitous since the vast majority of solids naturally occurring in our world are amorphous. Although the field is diverse and complex, this three-volume set covers the vast majority of the important concepts needed to understand these materials and their principal practical applications. One volume discusses the most important subset of amorphous insulators, namely oxide glasses; the other two volumes discuss the most important subsets of amorphous semiconductors, namely tetrahedrally coordinated amorphous semiconductors and amorphous and glassy chalcogenides. Together these three volumes provide a comprehensive set of theoretical concepts and practical information needed to become conversant in the field of amorphous materials. They are suitable for advanced graduate students, postdoctoral research associates, and researchers wishing to change fields or sub-fields.The topics covered in these three volumes include (1) concepts for understanding the structures of amorphous materials, (2) techniques to characterize the structural, electronic, and optical properties of amorphous materials, (3) the roles of defects in affecting the electronic and optical properties of amorphous materials, and (4) the concepts for understanding practical devices and other applications of amorphous materials. Applications discussed in these volumes include transistors, solar cells, displays, bolometers, fibers, non-volatile memories, vidicons, photoresists, and optical disks.

Emerging Trends in Mechanical and Industrial Engineering

Emerging Trends in Mechanical and Industrial Engineering PDF Author: Xianguo Li
Publisher: Springer Nature
ISBN: 9811969450
Category : Technology & Engineering
Languages : en
Pages : 1062

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Book Description
The book presents the select proceedings of the International Conference on Emerging Trends in Mechanical and Industrial Engineering (ICETMIE 2022). It covers the latest trends in the area of mechanical engineering. The broad topics covered in the book are engineering design, industrial and production engineering, Industry 4.0, energy and process engineering, mechatronics, control and robotics, material science, and automotive engineering. The book is useful for students, researchers, and professionals working in the various areas of mechanical engineering.

Metastable States in Amorphous Chalcogenide Semiconductors

Metastable States in Amorphous Chalcogenide Semiconductors PDF Author: Victor I. Mikla
Publisher: Springer Science & Business Media
ISBN: 3642027458
Category : Technology & Engineering
Languages : en
Pages : 130

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Book Description
This book presents experimental results on the structural and electronic metastable states in Se-rich chalcogenides. Coverage includes states in the mobility gap, structural transformation, photocrystallization, and many potential related applications.

Physics and Applications of Non-Crystalline Semiconductors in Optoelectronics

Physics and Applications of Non-Crystalline Semiconductors in Optoelectronics PDF Author: A. Andriesh
Publisher: Springer Science & Business Media
ISBN: 9401154961
Category : Science
Languages : en
Pages : 476

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Book Description
The Workshop on Physics and Application of Non-crystalline Semiconductors in Optoelectronics was held from 15 to 17 October 1996 in Chisinau. republic of Moldova and was devoted to the problems of non-crystalline semiconducting materials. The reports covered two mjlin topics: theoretical basis of physics of non -crystalline materials and experimental results. In the framework of these major topics there were treated many subjects. concerning the physics of non-crystalline semiconductors and their specific application: -optical properties of non-crystalline semiconductors; -doping of glassy semiconductors and photoinduced effects in chalcogenide glasses and their application for practical purposes; -methods for investigation of the structure in non-crystalline semiconductors -new glassy materials for IR trasmittance and optoelectronics. Reports and communications were presented on various aspects of the theory. new physical principles. studies of the atomic structure. search and development of optoelectronics devices. Special attention was paid to the actual subject of photoinduced transformations and its applications. Experimental investigations covered a rather wide spectrum of materials and physical phenomena. As a novel item it is worth to mention the study of nonlinear optical effects in amorphous semiconducting films. The third order optical non linearities. fast photoinduced optical absorption and refraction. acusto-optic effects recently discovered in non-crystalline semiconductors could potentially be utilised for optical signal processing. The important problems of photoinduced structural transformations and related phenomena. which are very attractive and actual both from the scientific and practical points of view. received much attention in discussions at the conference.

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 960

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Book Description
Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.

Optical Nonlinearities in Chalcogenide Glasses and Their Applications

Optical Nonlinearities in Chalcogenide Glasses and Their Applications PDF Author: A. Zakery
Publisher: Springer Science & Business Media
ISBN: 3540710663
Category : Science
Languages : en
Pages : 207

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Book Description
This book reviews techniques used to characterize non-linear optical constants of chalcogenide glasses in bulk or thin films, and presents the properties of many chalcogenide systems. A range of applications of these glasses are surveyed, including ultra-fast switching, optical limiting, second harmonic generation and electro-optic effects. Also addressed are suitability of chalcogenide films in all-optical integrated circuits, fabrication of rib as well as ridge waveguides and of fiber gratings.