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Nonmagnetic and Magnetic Quantum Dots

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ISBN: 9789535139591 9789535139607 9789535140344 Year: Pages: 246 DOI: 10.5772/intechopen.68207 Language: English
Publisher: IntechOpen
Subject: Physics (General)
Added to DOAB on : 2019-10-03 07:51:51

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The book entitled Nonmagnetic and Magnetic Quantum Dots is divided into two sections. In Section 1, the chapters are related to nonmagnetic quantum dots and their applications. More specifically, exact models and numerical methods have been presented to describe the analytical solution of the carrier wave functions, the quantum mechanical aspects of quantum dots, and the comparison of the latter to experimental data. Furthermore, methods to produce quantum dots, synthesis techniques of colloidal quantum dots, and applications on sensors and biology, among others, are included in this section. In Section 2, a few topics of magnetic quantum dots and their applications are presented. The section starts with a theoretical model to describe the magnetization dynamics in magnetic quantum dot array and the description of dilute magnetic semiconducting quantum dots and their applications. Additionally, a few applications of magnetic quantum dots in sensors, biology, and medicine are included in Section 2.

Intermetallic Compounds - Formation and Applications

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ISBN: 9781789231786 9781789231793 Year: Pages: 226 DOI: 10.5772/intechopen.68256 Language: English
Publisher: IntechOpen
Subject: Chemistry (General)
Added to DOAB on : 2019-10-03 07:51:51

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Intermetallic compounds are usually brittle with high melting points. Their properties are often found among ceramic and metallic materials. In most cases, their hot corrosion resistance and simultaneously hardness are important. One of the main applications of intermetallic compounds is for superalloy turbine blades in which they show appropriate high-temperature-related properties. This book collects new developments about intermetallic compounds and their recent usages.

Iron Ores and Iron Oxide Materials

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ISBN: 9781789233209 9781789233216 Year: Pages: 280 DOI: 10.5772/intechopen.69715 Language: English
Publisher: IntechOpen
Subject: Chemistry (General)
Added to DOAB on : 2019-10-03 07:51:51

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This book provides the multidisciplinary reading audience with a comprehensive state-of-the-art overview of research and innovations in the relationship between iron ores and iron ore materials. The book covers industrial sectors dealing with exploration and processing of iron ores as well as with advanced applications for iron ore materials and therefore entails a wide range of research fields including geology, exploration, beneficiation, agglomeration, reduction, smelting, and so on, thus encouraging life cycle thinking across the entire production chain. Iron remains the basis of modern civilization, and our sustainable future deeply depends upon our ability to satisfy the growing demand for iron and steel while decoupling hazardous emissions from economic growth. Therefore, environmental sustainability aspects are also broadly addressed. In response to socioeconomic and climatic challenges, the iron ore sector faces, this book delivers a vision for the new opportunities linked to deployment of the best available, innovative and breakthrough technologies as well as to advanced material applications.

Heterojunctions and Nanostructures

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ISBN: 9781789234688 9781789234695 Year: Pages: 128 DOI: 10.5772/intechopen.71162 Language: English
Publisher: IntechOpen
Subject: Physics (General)
Added to DOAB on : 2019-10-03 07:51:51

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The current book entitled Heterojunctions and Nanostructures is divided into two sections. In Section 1, the chapters are related to topological insulators where their theoretical aspects, their current experiments, and their applications are presented. A few presented topics are, among others, the topological phases of matter, band topology of insulators and also of Weyl semimetals, transport properties of 3D topological insulator quantum wires and the influence of disorder, transport properties of quasi-1D (and 2D) topological surface states, quantum coherence, and topological insulator thin-film Hall bar device. In Section 2, the chapters are related to light devices such as laser diodes and their fabrication techniques. This section includes, among others, topics such as semiconductor quantum nanowire laser diodes, solutions of Schrodinger equation in nanostructures, numerical methods, light-to-electricity conversion devices, photoexcited carrier transportation process in quantum wells and quantum dots, growth mode and characterization of heterostructure of large lattice mismatch, and photoionization cross section.

Advanced Material and Device Applications with Germanium

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ISBN: 9781789840315 9781789840322 Year: Pages: 100 DOI: 10.5772/intechopen.73146 Language: English
Publisher: IntechOpen
Subject: Physics (General)
Added to DOAB on : 2019-10-03 07:51:52

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Germanium is an elemental semiconductor, which played an important role in the birth of the semiconductor but soon was replaced with silicon. However, germanium is poised to make a remarkable comeback in the semiconductor industry. With this increasing attention, this book describes the fundamental aspects of germanium and its applications. The contributing authors are experts in their field with great in-depth knowledge. The authors strongly feel that this contribution might be of interest to readers and help to expand the scope of their knowledge.

Ferroelectrics and Their Applications

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ISBN: 9781789840131 9781789840148 Year: Pages: 164 DOI: 10.5772/intechopen.73075 Language: English
Publisher: IntechOpen
Subject: Physics (General)
Added to DOAB on : 2019-10-03 07:51:52

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Ferroelectricity is a symptom of inevitable electrical polarization changes in materials without external electric field interference. Ferroelectricity is a phenomenon exhibited by crystals with a spontaneous polarization and hysteresis effects associated with dielectric changes when an electric field is given. Our fascination with ferroelectricity is in recognition of a beautiful article by Itskovsky, in which he explains the kinetics of a ferroelectric phase transition in a thin ferroelectric layer (film). We have been researching ferroelectric materials since 2001. There are several materials known for their ferroelectric properties. Barium titanate and barium strontium titanate are the most well known. Several others include tantalum oxide, lead zirconium titanate, gallium nitride, lithium tantalate, aluminium, copper oxide, and lithium niobate. There is still a blue ocean of ferroelectric applications yet to be expounded. It is and hopefully always will be a bright future.

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