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Tuning Ag+ and Mn2+ doping in ZnS:Ag,Mn embedded polymers for flexible white light emitting films
Flexible Light Emitting Diodes are versatile lighting solutions that offer bendable and adaptable illumination possibilities. A soft, flexible white luminescent film (1 mm) shows promise for foldable electroluminescent devices and applications. This film was fabricated using ZnS:Ag and Mn. Under different excitation wavelengths, the phosphors emit blue light due to Ag+ luminescence centers and red light from the d-d transition of Mn2+. The blue emission is greatly suppressed at high Mn2+ doping levels, requiring reduced Ag+ doping in co-doped ZnS:Ag,Mn compared to solo-doped ZnS:Ag samples. By adjusting Ag+ and Mn2+ concentrations, the ZnS:Ag(1%),Mn(0.2%) phosphors show a proper intensity ratio of blue and red emissions, making them a promising candidate for future white light applications.
Thermal Management of Gallium Nitride Electronics
Thermal Management of Gallium Nitride Electronics outlines the technical approaches undertaken by leaders in the community, the challenges they have faced, and the resulting advances in the field. This book serves as a one-stop reference for compound semiconductor device researchers tasked with solving this engineering challenge for future material systems based on ultra-wide bandgap semiconductors. A number of perspectives are included, such as the growth methods of nanocrystalline diamond, the materials integration of polycrystalline diamond through wafer bonding, and the new physics of thermal transport across heterogeneous interfaces. Over the past 10 years, the book's authors have perfo...
Press in India
None
Annual Report of the Registrar of Newspapers for India
Reports for 1958-1970 include catalogues of newspapers published in each state and Union Territory.
Quantum Computing: An Applied Approach
This book integrates the foundations of quantum computing with a hands-on coding approach to this emerging field; it is the first to bring these elements together in an updated manner. This work is suitable for both academic coursework and corporate technical training. The second edition includes extensive updates and revisions, both to textual content and to the code. Sections have been added on quantum machine learning, quantum error correction, Dirac notation and more. This new edition benefits from the input of the many faculty, students, corporate engineering teams, and independent readers who have used the first edition. This volume comprises three books under one cover: Part I outline...
Skin Bioengineering
Non-invasive bioengineering techniques have become indispensable tools both in the development of drugs and cosmetics and in clinical dermatology. These techniques enable researchers to study the structure and function of human skin objectively and quantitatively. Recent technological developments have brought new techniques into the laboratory and the hospital, among them magnetic resonance imaging, optical coherence tomography and microdialysis. This book describes these state-of-the-art developments, details the application of skin bioengineering techniques for clinical purposes, shows their use in the testing of pharmaceutics and cosmetics and provides an overview of the design and legal aspects of skin bioengineering testing. It will be essential reading for dermatologists, cosmetologists, pharmacologists and toxicologists.
Optoelectronic Devices
'A very handy feature of this book includes an appendix section consisting of fifteen parts, each dedicated to listing equations and solution examples for calculating various important quantities for optoelectronic devices. This book is an in-depth technical resource for understanding the principles of various types of optoelectronic devices and systems. Students, as well as working professionals, would find this book useful for calculating quantities needed in the design of optical system components. There is a section, at the end of the book, along with an extension reference list at the end of each chapter that provides problems from each chapter, making this book suitable for an undergra...
Understanding Molecular Simulation
Understanding Molecular Simulation: From Algorithms to Applications explains the physics behind the "recipes" of molecular simulation for materials science. Computer simulators are continuously confronted with questions concerning the choice of a particular technique for a given application. A wide variety of tools exist, so the choice of technique requires a good understanding of the basic principles. More importantly, such understanding may greatly improve the efficiency of a simulation program. The implementation of simulation methods is illustrated in pseudocodes and their practical use in the case studies used in the text. Since the first edition only five years ago, the simulation worl...
