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This book reports on the successful implementation of an innovative, miniaturized galvanic cell that offers unprecedented control over and access to ionic transport. It represents a milestone in fundamental studies on the diffusive transport of lithium ions between two atomically thin layers of carbon (graphene), a highly relevant aspect in electrodes for energy and mass storage in the context of batteries. Further, it is a beautiful example of how interdisciplinary work that combines expertise from two very distinct fields can significantly advance science. Machinery and tools common in the study of low-dimensional systems in condensed matter physics are combined with methods routinely empl...
The book presents a comprehensive yet concise introduction to the physics of two-dimensional electron systems in the quantum Hall regime, as well as an up-to-date overview of the current fields of research concerning the integer and fractional quantum Hall effect. The physics of two-dimensional electron systems at low temperatures and high magnetic fields are governed by the formation of discrete energy levels referred to as Landau levels. These narrow energy bands not only form the basis of the well-known quantum Hall effect but also promote strong interactions between the electrons, giving rise to some of the finest manifestations of many-body physics in solid state science. Examples inclu...
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Events haben heute ihren festen Platz im Kommunikations-Mix von Unternehmen, staatlichen Institutionen und Nonprofitorganisationen. In einigen Branchen sind sie sogar der wichtigste Posten im Kommunikationsbudget. Dieses Buch vermittelt die vielfältigen Grundlagen des Event-Managements. Es gibt Handlungsempfehlungen auf der strategischen und operativen Ebene. Neben dem theoretischen Basiswissen werden zentrale Fragen der Konzeption, Planung, Durchführung und Kontrolle von Events sowie volkswirtschaftliche, rechtliche und kundenverhaltensbezogene Aspekte behandelt. Aktuelle Fallbeispiele zeigen die konkrete Realisierung von Projekten auf, praxisorientierte Arbeitshilfen in Form von Checklisten helfen, auch komplexe Event-Ideen erfolgreich umzusetzen. Das vorliegende Buch ist als Kompendium aufgebaut und eignet sich ideal einerseits für alle im Event-Management Tätigen - ob Profi oder Einsteiger - und für das Studium an Hochschulen und in der Weiterbildung sowie für das Selbststudium.
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Radio communications in the range of 60 GHz enable multi-Gigabit/s network access in indoor environments. Due to the propagation characteristics of such signals only very short range radio transmission is feasible. In order to distribute these signals across large distances, analog transmission over optical fiber is considered. In this work, mode-locked laser diodes serve as optoelectronic oscillators for the generation of such signals. Their system-relevant properties are studied in detail.
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Unveränderter Nachdruck der Originalausgabe von 1871.