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This book deals mainly with physical device models which are developed from the carrier transport physics and device geometry considerations. The text concentrates on silicon and gallium arsenide devices and includes models of silicon bipolar junction transistors, junction field effect transistors (JFETs), MESFETs, silicon and GaAs MESFETs, transferred electron devices, pn junction diodes and Schottky varactor diodes. The modelling techniques of more recent devices such as the heterojunction bipolar transistors (HBT) and the high electron mobility transistors are discussed. This book contains details of models for both equilibrium and non-equilibrium transport conditions. The modelling Technique of Small-scale devices is discussed and techniques applicable to submicron-dimensioned devices are included. A section on modern quantum transport analysis techniques is included. Details of essential numerical schemes are given and a variety of device models are used to illustrate the application of these techniques in various fields.
Investigates the participation of black Africans, usually referred to as "Ethiopians," by the Greek and Romans, in classical civilization, concluding that they were accepted by pagans and Christians without prejudice.
In this account of black-white contacts from the Pharaohs to the Caesars, Snowden shows that the ancients did not discriminate against blacks because of their color. He sheds light on the reasons for the absence in antiquity of virulent color prejudice and for the difference in attitudes of whites toward blacks in ancient and modern societies.
Spain, 1493 - Europe's first smoker imprisioned by the Inquisition England, 1604 - Massive tax rise on tobacco in a bid to discourage smoking Canada, 1676 - Smoking is banned in the street United States, 1899 - Anti-smoking campaigners call for the eradication of tobacco Germany, 1944 - Smoking banned on public transport to protect workers from secondhand smoke In this revealing and meticulously researched account of an untold story, Christopher Snowdon traces the fortunes of those who have tried to stamp out tobacco through the ages. Velvet Glove, Iron Fist takes the reader on a journey from 15th century Cuba to 21st century California, via Revolutionary France, Victorian Britain, Prohibition Era America and Nazi Germany. Along the way, the author finds uncanny parallels between today's anti-smoking activists and those of the past. Today, as the same tactics begin to be used against those who enjoy alcohol, chocolate, fast food, gambling and perfume, Velvet Glove, Iron Fist provides a timely reminder that once politicians start regulating private behaviour, they find it very hard to quit.
Semiconductor device modelling has developed in recent years from being solely the domain of device physicists to span broader technological disciplines involved in device and electronic circuit design and develop ment. The rapid emergence of very high speed, high density integrated circuit technology and the drive towards high speed communications has meant that extremely small-scale device structures are used in contempor ary designs. The characterisation and analysis of these devices can no longer be satisfied by electrical measurements alone. Traditional equivalent circuit models and closed-form analytical models cannot always provide consis tently accurate results for all modes of opera...
Compound semiconductor devices form the foundation of solid-state microwave and optoelectronic technologies used in many modern communication systems. In common with their low frequency counterparts, these devices are often represented using equivalent circuit models, but it is often necessary to resort to physical models in order to gain insight into the detailed operation of compound semiconductor devices. Many of the earliest physical models were indeed developed to understand the 'unusual' phenomena which occur at high frequencies. Such was the case with the Gunn and IMPATI diodes, which led to an increased interest in using numerical simulation methods. Contemporary devices often have f...
Eating sugary food, drinking alcohol and smoking cigarettes are legal activities. But politicians still use the law to discourage them. They raise their price, prohibit or limit their advertisement, restrict where they can be sold and consumed, and sometimes ban them outright. These politicians thereby violate John Stuart Mill’s famous principle that people should be free to do whatever they like, provided they harm no one but themselves. Why? What can justify these paternalistic policies? Killjoys reviews the full range of justifications that have been offered: from the idea that people are too irrational to make sensible decisions to the idea that they are effectively compelled by advertising to harm themselves. The author, Christopher Snowdon, exposes the logical or factual errors that undermine each purported justification. He thus provides a comprehensive critique of the health paternalism that has been adopted by governments around the world.
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Do Cubans live longer than Americans? Are Scandinavians happier than the British? Do Oscar winners live longer than other actors? Does capitalism cause mental illness? Does inequality lead to murder? Would higher taxes make us slimmer, more trusting and more charitable? The Spirit Level Delusion shines the light of reason on some of the extraordinary claims made in favour of big government in the twenty-first century. Several books (The Spirit Level, Happiness and Affluenza amongst others) have called for a radical shift in power from the individual to the state based on the supposedly devastating effects of wealth, economic growth and inequality. By examining all the available evidence, Chr...
Years of surveillance-related leaks from US whistleblower Edward Snowden have fuelled an international debate on privacy, spying, and Internet surveillance. Much of the focus has centered on the role of the US National Security Agency, yet there is an important Canadian side to the story. The Communications Security Establishment, the Canadian counterpart to the NSA, has played an active role in surveillance activities both at home and abroad, raising a host of challenging legal and policy questions. With contributions by leading experts in the field, Law, Privacy and Surveillance in Canada in the Post-Snowden Era is the right book at the right time: From the effectiveness of accountability and oversight programs to the legal issues raised by metadata collection to the privacy challenges surrounding new technologies, this book explores current issues torn from the headlines with a uniquely Canadian perspective.