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Semiconductor Nanocrystal Quantum Dots : Synthesis, Assembly, Spectroscopy and Applications
When investigations on semiconductor nanocrystal quantum dots started more than a quarter of a century ago, no one ever believed that nanoparticle research would develop into one of the major fields in modern science.The basis was laid by studies of photocatalysis and artificial water splitting driven by the former oil crisis.These euphorically started activities ebbed away more and more when on one side oil brimmed over again and the scientists on the other did not succeed in the concomitant formation of hydrogen and oxygen.At the same time size quantisation was discovered in nanocrystals initiating a fruitful research field on scaling laws of physical and chemical properties of quantum dots.Especially optical investigations of semiconductor nanocrystals led to fas- nating scientific results and to applications in optoelectronics and biolabeling.Advances in spectroscopic measurements were always correlated with advances in synthesis.The better the size, shape and surface control of the particles was developed, the more detailed and precise was the spectroscopic information - tained.Applications of nanocrystal quantum dots often require asssembly processes for the formation of polymer hybrids or thin films.For this as well as for the use in biomedical applications new ligand chemistry needed to be developed during the recent past.This book gives a very competent view on all these facets of nanocrystal quantum dot research.Twelve chapters are written by experts in the fields in a way introducing the respective concepts and providing comprehensive overview on the current state of the art.
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Fundamentals of Semiconductor Materials and Devices
Gain an introduction to the concepts behind semiconductor materials and devices in this advanced textbook Semiconductors are the foundation of the electronics industry, and are therefore embedded in virtually all modern technology.No engineer or materials scientist can be without an understanding of this essential field.Since semiconductors are also the foundation of solar cells, they play an increasingly critical role in the transition to sustainable technology and promise, as a result, to become even more central in global technological progress.Fundamentals of Semiconductor Materials and Devices is a textbook that presents the advanced principles underlying semiconductors in an accessible and comprehensive way.Combining material from both engineering and physics, it remains grounded throughout in practical applications of semiconductors.Its approach makes it ideal for readers looking to gain a thorough understanding of this ubiquitous technology.Fundamentals of Semiconductor Materials and Devices readers will also find: Questions and exercises to stimulate learning and increase comprehensionIntroductory chapters detailing the fundamentals of quantum and solid state physics, as well as the foundational principles of semiconductor techDetailed analysis of topics including flash memory, the quantum dot, two-dimensional semiconductor materials, and more Fundamentals of Semiconductor Materials and Devices is a valuable guide for students and researchers in any area of engineering, physics, or materials science.
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Semiconductor Nanolasers
This unique resource explains the fundamental physics of semiconductor nanolasers, and provides detailed insights into their design, fabrication, characterization, and applications.Topics covered range from the theoretical treatment of the underlying physics of nanoscale phenomena, such as temperature dependent quantum effects and active medium selection, to practical design aspects, including the multi-physics cavity design that extends beyond pure electromagnetic consideration, thermal management and performance optimization, and nanoscale device fabrication and characterization techniques.The authors also discuss technological applications of semiconductor nanolasers in areas such as photonic integrated circuits and sensing.Providing a comprehensive overview of the field, detailed design and analysis procedures, a thorough investigation of important applications, and insights into future trends, this is essential reading for graduate students, researchers, and professionals in optoelectronics, applied photonics, physics, nanotechnology, and materials science.
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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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What is a semiconductor dosimeter?
A semiconductor dosimeter is a type of radiation dosimeter that uses semiconductor materials to measure and detect ionizing radiation. These dosimeters are commonly used in medical, industrial, and research settings to monitor radiation exposure levels. Semiconductor dosimeters are known for their high sensitivity, accuracy, and ability to provide real-time measurements of radiation doses. They are often small, portable, and easy to use, making them a popular choice for radiation monitoring applications.
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How does a semiconductor work?
A semiconductor works by controlling the flow of electrical current through it. It has properties that allow it to conduct electricity under certain conditions and act as an insulator under others. By adding impurities to the semiconductor material, a process known as doping, it is possible to manipulate its electrical properties and create electronic devices such as diodes, transistors, and integrated circuits. When a voltage is applied to a semiconductor device, it can either allow current to flow through it (in the case of a diode or transistor) or amplify the current (in the case of a transistor).
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What is a semiconductor diode?
A semiconductor diode is a two-terminal electronic component that allows current to flow in one direction only. It is made of semiconductor material, typically silicon or germanium, with a junction between two different types of semiconductors. When a voltage is applied across the diode in the forward direction, it allows current to flow easily, but in the reverse direction, it blocks the current flow. Semiconductor diodes are commonly used in various electronic circuits for rectification, signal demodulation, and voltage regulation.
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Isn't the NTC thermistor a semiconductor?
Yes, the NTC (Negative Temperature Coefficient) thermistor is a type of semiconductor. It is made from semiconductor materials such as metal oxides like manganese, nickel, and cobalt. The resistance of the NTC thermistor decreases as the temperature increases, making it a useful component in temperature sensing and control applications.
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History of Semiconductor Engineering
performing ?rms were curtailed following the stock market decline and the subsequent economic slowdown of 2001 and 2002.The Federal Government was once the main source of the nation’s R&D funds, funding as much as 66. 7 percent of all U. S. R&D in 1964. The Federal share ?rst fell below 50 percent in 1979, and after 1987 it fell steadily, dr- ping from 46. 3 percent in that year to 25. 1 percent in 2000 (the lowest it has ever been since 1953).Adjusting for in?ation, Federal support decreased 18 percent from 1987 to 2000, although in nominal terms, Federal support grew from $58. 5 billion to $66. 4 billion during that period. Growth in industrial funding generally outpaced growth in Federal support, leading to the decline in Federal support as a proportion of the total.Fig. 2. Doctorates awarded in Engineering, Physics, and Mathematics: 1995–2002 [Source: National Science Foundation NSF 04–303 (October 2003)] Figure 1 explains the most signi?cant change in the industry which occurred in the early sixties.The industry, with pressure from Wall Street, could not ?nance long-range and risky basic research.The objective of basic research is to gain more comprehensive knowledge or understanding of the subject under study without speci?c applications in mind.Basic research advances scienti?c knowledge but does not have speci?c immediate commercial objectives.Basic research can fail and often will not bring results in a short period of time.
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Physics of Semiconductor Devices
The new edition of the most detailed and comprehensive single-volume reference on major semiconductor devices The Fourth Edition of Physics of Semiconductor Devices remains the standard reference work on the fundamental physics and operational characteristics of all major bipolar, unipolar, special microwave, and optoelectronic devices.This fully updated and expanded edition includes approximately 1,000 references to original research papers and review articles, more than 650 high-quality technical illustrations, and over two dozen tables of material parameters. Divided into five parts, the text first provides a summary of semiconductor properties, covering energy band, carrier concentration, and transport properties.The second part surveys the basic building blocks of semiconductor devices, including p-n junctions, metal-semiconductor contacts, and metal-insulator-semiconductor (MIS) capacitors.Part III examines bipolar transistors, MOSFETs (MOS field-effect transistors), and other field-effect transistors such as JFETs (junction field-effect-transistors) and MESFETs (metal-semiconductor field-effect transistors).Part IV focuses on negative-resistance and power devices.The book concludes with coverage of photonic devices and sensors, including light-emitting diodes (LEDs), solar cells, and various photodetectors and semiconductor sensors.This classic volume, the standard textbook and reference in the field of semiconductor devices: Provides the practical foundation necessary for understanding the devices currently in use and evaluating the performance and limitations of future devices Offers completely updated and revised information that reflects advances in device concepts, performance, and application Features discussions of topics of contemporary interest, such as applications of photonic devices that convert optical energy to electric energy Includes numerous problem sets, real-world examples, tables, figures, and illustrations; several useful appendices; and a detailed solutions manual for Instructor's onlyExplores new work on leading-edge technologies such as MODFETs, resonant-tunneling diodes, quantum-cascade lasers, single-electron transistors, real-space-transfer devices, and MOS-controlled thyristors Physics of Semiconductor Devices, Fourth Edition is an indispensable resource for design engineers, research scientists, industrial and electronics engineering managers, and graduate students in the field.
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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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Three-way Five-way Light Semiconductor Laser Parallel Light Source Physical Optics Laboratory
Three-way Five-way Light Semiconductor Laser Parallel Light Source Physical Optics Laboratory
Price: 5.90 € | Shipping*: 1.99 €
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Why is fullerene only a semiconductor?
Fullerene is only a semiconductor because of its unique structure and electronic properties. The carbon atoms in fullerene are arranged in a closed cage-like structure, which creates a limited number of energy levels for electrons to occupy. This limited number of energy levels results in a small band gap between the valence and conduction bands, making fullerene a semiconductor rather than a conductor or insulator. Additionally, the symmetrical arrangement of carbon atoms in fullerene allows for efficient electron delocalization, which is characteristic of semiconductor materials.
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What is a semiconductor in physics?
A semiconductor is a material that has electrical conductivity between that of a conductor and an insulator. This means that semiconductors can conduct electricity under certain conditions but not as easily as conductors. Semiconductors are a key component in electronic devices such as transistors, diodes, and integrated circuits, making them essential in modern technology. By controlling the flow of electrons through semiconductors, we can manipulate and amplify electrical signals, enabling the functioning of various electronic devices.
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Is the NTC thermistor not a semiconductor?
The NTC (Negative Temperature Coefficient) thermistor is indeed a semiconductor. It is made of semiconductor materials such as metal oxides like manganese, nickel, and cobalt. These materials exhibit a decrease in resistance with an increase in temperature, which is the basis of how NTC thermistors function. Therefore, NTC thermistors are considered semiconductor devices.
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What does semiconductor mean for us humans today?
Semiconductors are a crucial component of modern technology and have a significant impact on our daily lives. They are used in a wide range of electronic devices, including smartphones, computers, and televisions. Semiconductors enable the development of advanced technologies such as artificial intelligence, virtual reality, and autonomous vehicles. They also play a key role in renewable energy technologies, such as solar panels and wind turbines. Overall, semiconductors are essential for driving innovation and improving the quality of life for people around the world.
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