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Raman Scattering on Emerging Semiconductors and Oxides
Raman Scattering on Emerging Semiconductors and Oxides presents Raman scattering studies.It describes the key fundamental elements in applying Raman spectroscopies to various semiconductors and oxides without complicated and deep Raman theories. Across nine chapters, it covers:• SiC and IV-IV semiconductors,• III-GaN and nitride semiconductors,• III-V and II-VI semiconductors,• ZnO-based and GaO-based semiconducting oxides,• Graphene, ferroelectric oxides, and other emerging materials,• Wide-bandgap semiconductors of SiC, GaN, and ZnO, and• Ultra-wide gap semiconductors of AlN, Ga2O3, and graphene. Key achievements from the author and collaborators in the above fields are referred to and cited with typical Raman spectral graphs and analyses.Written for engineers, scientists, and academics, this comprehensive book will be fundamental for newcomers in Raman spectroscopy. Zhe Chuan Feng has had an impressive career spanning many years of important work in engineering and tech, including as a professor at the Graduate Institute of Photonics & Optoelectronics and Department of Electrical Engineering, National Taiwan University, Taipei; establishing the Science Exploring Lab; joining Kennesaw State University as an adjunct professor, part-time; and at the Department of Electrical and Computer Engineering, Southern Polytechnic College of Engineering and Engineering Technology.Currently, he is focusing on materials research for LED, III-nitrides, SiC, ZnO, other semiconductors/oxides, and nanostructures and has devoted time to materials research and growth of III-V and II-VI compounds, LED, III nitrides, SiC, ZnO, GaO, and other semiconductors/oxides. Professor Feng has also edited and published multiple review books in his field, alongside authoring scientific journal papers and conference/proceeding papers.He has organized symposiums and been an invited speaker at different international conferences and universities.He has also served as a guest editor for special journal issues.
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Applied Raman Spectroscopy : Concepts, Instrumentation, Chemometrics, and Life Science Applications
Applied Raman Spectroscopy: Concepts, Instrumentation, Chemometrics, and Life Science Applications synthesizes recent developments in the field, providing an updated overview.The book focuses on the modern concepts of Raman spectroscopy techniques, recent technological innovations, data analysis using chemometric methods, along with the latest examples of life science applications relevant in academia and industries.It will be beneficial to researchers from various branches of science and technology, and it will point them to modern techniques coupled with data analysis methods.In addition, it will help instruct new readers on Raman spectroscopy and hyphenated Raman spectroscopic techniques. The book is primarily written for analytical and physical chemistry students and researchers at a more advanced level who require a broad introductory overview of the applications of Raman spectroscopy, as well as those working in applied industry and clinical laboratories.Students, researchers, and industry workers in related fields, including X-ray and materials science, agriculture, botany, molecular biology and biotechnology, mineralogy, and environmental science will also find it very useful.
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Additive Manufacturing of Polymer-Based Composite Materials : Materials, Processes, and Properties
Additive Manufacturing of Polymer-based Composite Materials: Materials, Processes, and Properties presents the latest developments in additive manufacturing of polymer matrix composites and illustrates the large range of composite materials that can be obtained.Different technologies are presented with their own specificities such as: fused filament fabrication, wet fiber placement, stereolithography, and direct-ink-writing.Composites with chopped or continuous reinforcement, with synthetic or natural fibers, with thermoplastic or thermoset resin are compared and described in detail.Their thermal, physical, electrical, and mechanical properties are discussed. The book is dedicated to professionals involved in engineering design and production, as well as industrial communities who want to gain in-depth knowledge in the field of 3D printed composites.
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Magneto-Optics and Spectroscopy of Antiferromagnets
Certain magnetic materials have optical properties that make them attractive for a wide variety of applications such as optical switches.This book describes the physics of one class of such magnetooptic materials, the insulating antiferromagnets.The authors summarize recent results concerning the structure, optical properties, spectroscopy, and magnetooptical properties of these materials.In particular, they consider magnetic phase transitions, symmetry effects, the linear magnetooptical effect, magnons, spectroscopic study of spin waves, photoinduced magnetic effects, and the effects of impurities.
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Are polymer bracelets toxic?
Polymer bracelets are generally not toxic, as they are made from non-toxic materials such as silicone, rubber, or plastic. However, it is important to ensure that the bracelets are made from high-quality, non-toxic materials, as some cheaper or counterfeit versions may contain harmful chemicals. It is always best to purchase polymer bracelets from reputable sources to ensure their safety.
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Is the lithium polymer battery toxic?
Lithium polymer batteries are not inherently toxic, but they can be harmful if they are punctured, damaged, or improperly disposed of. The electrolyte in lithium polymer batteries is flammable and can be corrosive if it comes into contact with skin or eyes. It is important to handle and dispose of lithium polymer batteries properly to prevent any potential harm to human health or the environment.
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Where can I buy polymer clay?
You can buy polymer clay at most craft stores, art supply stores, and online retailers. Some popular craft store chains that carry polymer clay include Michaels, Joann, and Hobby Lobby. You can also find a wide variety of polymer clay brands and colors on websites like Amazon, Etsy, and specialty polymer clay suppliers. If you prefer to shop in person, check the craft and art supply stores in your local area.
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What are polymer crystalline and amorphous structures?
Polymer crystalline structures are highly ordered arrangements of polymer chains, where the chains are aligned in a regular, repeating pattern. This results in a highly organized and dense structure with distinct melting points and high mechanical strength. On the other hand, polymer amorphous structures are disordered arrangements of polymer chains, where the chains are randomly oriented and lack a repeating pattern. This results in a less organized and more open structure with no distinct melting point and lower mechanical strength. The combination of crystalline and amorphous regions in a polymer determines its overall properties and behavior.
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Glass Fibre-Reinforced Polymer Composites : Materials, Manufacturing and Engineering
Engineered composites materials display superior properties to pristine materials.Glass fibres have been used for years in the production of light weight composites.This book is a much needed update as to the processing methods and technologies present in the manufacturing of GFRP.Coverage of machining, cutting, tools, and thermal loads are discussed.Ideal for researchers in academia and industry.
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Nanotechnology in Electronics : Materials, Properties, Devices
Nanotechnology in Electronics Enables readers to understand and apply state-of-the-art concepts surrounding modern nanotechnology in electronics Nanotechnology in Electronics summarizes numerous research accomplishments in the field, covering novel materials for electronic applications (such as graphene, nanowires, and carbon nanotubes) and modern nanoelectronic devices (such as biosensors, optoelectronic devices, flexible electronics, nanoscale batteries, and nanogenerators) that are used in many different fields (such as sensor technology, energy generation, data storage and biomedicine). Edited by four highly qualified researchers and professionals in the field, other specific sample topics covered in Nanotechnology in Electronics include: Graphene-based nanoelectronics biosensors, including the history, properties, and fundamentals of graphene, plus fundamentals of graphene derivatives and the synthesis of graphene Zinc oxide piezoelectronic nanogenerators for low frequency applications, with an introduction to zinc oxide and zinc oxide piezoelectric nanogenerators Investigation of the hot junctionless mosfets, including an overview of the junctionless paradigm and a simulation framework of the hot carrier degradation Conductive nanomaterials for printed/flexible electronics application and metal oxide semiconductors for non-invasive diagnosis of breast cancer The fundamental aspects and applications of multiferroic-based spintronic devices and quartz tuning fork based nanosensors. Containing in-depth information on the topic and written intentionally to help with the practical application of concepts described within, Nanotechnology in Electronics is a must-have reference for materials scientists, electronics engineers, and engineering scientists who wish to understand and harness the state of the art in the field.
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A Milliliter-Scale Setup for the Efficient Characterization of Multicomponent Vapor-Liquid Equilibria Using Raman Spectroscopy
Vapor-liquid equilibrium (VLE) data are of major importance for the chemical industry.Despite significant progress in predictive methods, experimental VLE data are still indispensable.In this work, we address the need for experimental VLE data.Commonly, the characterization of VLE requires significant experimental effort.To limit the experimental effort, VLE measurements are frequently conducted by synthetic methods which employ samples of known composition and avoid complex analytics and sampling issues.In contrast, analytical methods provide independent information on phase compositions, commonly based on sampling and large amounts of substance. In the first part of this work, we employ a synthetic method, the well-established Cailletet setup, to characterize the high pressure VLE of two promising binary biofuel blends.The Cailletet method serves as a state of the art reference method that enables collecting data of remarkable accuracy.However, extensive infrastructure is needed. In the second part, to avoid extensive infrastructure and overcome limitations of previous methods, we develop a novel analytical milliliter-scale setup for the noninvasive and efficient characterization of VLE: RAMSPEQU (Raman Spectroscopic Phase Equilibrium Characterization).The novel setup saves substance and rapidly characterizes VLE.Sampling and its associated errors are avoided by analyzing phase compositions using Raman spectroscopy.Thereby, volumes of less than 3 ml are sufficient for reliable phase equilibrium measurements.To enable rapid data generation and save substance, we design an integrated workow combining Raman signal calibration and VLE measurement.As a result, RAMSPEQU gives access to up to 15 pT xy-data sets per workday.RAMSPEQU is successfully validated against pure component and binary VLE data from literature. However, mixtures with only two components rarely depict real industrial applications.As the number of experiments increases strongly with a rising number of components, the efficient RAMSPEQU setup seems particularly suited for multicomponent systems.In the third part of this work, we employ the RAMSPEQU setup for the characterization of a quaternary system and its binary subsystems. 22 ml and 105 ml of the binary and quaternary mixtures are sufficient for an extensive VLE characterization. The RAMSPEQU setup and its integrated workow enable the characterization of multicomponent VLE while saving significant amounts of substance and laboratory time.
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Polymer Chemistry
A well-rounded and articulate examination of polymer properties at the molecular level, Polymer Chemistry focuses on fundamental principles based on underlying chemical structures, polymer synthesis, characterization, and properties.It emphasizes the logical progression of concepts and provide mathematical tools as needed as well as fully derived problems for advanced calculations. The much-anticipated Third Edition expands and reorganizes material to better develop polymer chemistry concepts and update the remaining chapters.New examples and problems are also featured throughout. This revised edition:Integrates concepts from physics, biology, materials science, chemical engineering, and statistics as neededContains mathematical tools and step-by-step derivations for example problemsIncorporates new theories and experiments using the latest tools and instrumentation and topics that appear prominently in current polymer science journalsThe number of homework problems has been greatly increased, to over 350 in allThe worked examples and figures have been augmentedMore examples of relevant synthetic chemistry have been introduced into Chapter 2 ("Step-Growth Polymers")More details about atom-transfer radical polymerization and reversible addition/fragmentation chain-transfer polymerization have been added to Chapter 4 ("Controlled Polymerization")Chapter 7 (renamed "Thermodynamics of Polymer Mixtures") now features a separate section on thermodynamics of polymer blendsChapter 8 (still called "Light Scattering by Polymer Solutions") has been supplemented with an extensive introduction to small-angle neutron scatteringPolymer Chemistry, Third Edition offers a logical presentation of topics that can be scaled to meet the needs of introductory as well as more advanced courses in chemistry, materials science, polymer science, and chemical engineering.
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Is organocatalysis also important in polymer chemistry?
Yes, organocatalysis plays a significant role in polymer chemistry. Organocatalysts can be used in various polymerization reactions to control the polymerization process, improve reaction efficiency, and enhance the properties of the resulting polymers. They can also be used to catalyze specific reactions, such as ring-opening polymerization, to produce polymers with desired structures and properties. Overall, organocatalysis is a valuable tool in polymer chemistry for the synthesis of a wide range of functional polymers.
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What is polymer chemistry and how does polymerization work?
Polymer chemistry is the study of macromolecules composed of repeating structural units called monomers. These macromolecules, known as polymers, have a wide range of applications in everyday life, including plastics, rubber, fibers, and adhesives. Polymerization is the process by which monomers are chemically bonded together to form a polymer. This can occur through various mechanisms, such as addition polymerization, where monomers add to each other to form a polymer chain, or condensation polymerization, where monomers react to eliminate small molecules like water or alcohol to form a polymer. The resulting polymer can have different properties depending on the type of monomers and the polymerization process used.
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What are the characteristics of rechargeable lithium polymer batteries?
Rechargeable lithium polymer batteries are known for their high energy density, which allows them to store a large amount of energy in a compact and lightweight package. They also have a long cycle life, meaning they can be recharged and discharged many times before their performance starts to degrade. Additionally, lithium polymer batteries are known for their flexibility in shape and size, making them suitable for a wide range of applications. They also have a low self-discharge rate, meaning they can hold their charge for longer periods of time when not in use.
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What is the difference between Fimo and polymer clay?
Fimo is actually a brand of polymer clay, so the main difference is that Fimo is a specific type of polymer clay. Polymer clay is a type of modeling clay that hardens when baked in an oven, and it is made of PVC particles mixed with a plasticizer and color pigments. Fimo, on the other hand, is a specific brand of polymer clay that is known for its high quality and vibrant colors. While there are other brands of polymer clay available, Fimo is often preferred by artists and crafters for its consistency and durability.
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