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Reducing the size of a coherently grown semiconductor cluster in all three directions of space to a value below the de Broglie wavelength of a charge carrier leads to complete quantization of the energy levels, density of states, etc. Such “quantum dots” are more similar to giant atoms in a dielectric cage than to classical solids or semiconductors showing a dispersion of energy as a function of wavevector. Their electronic and optical properties depend strongly on their size and shape, i.e. on their geometry. By designing the geometry by controlling the growth of QDs, absolutely novel possibilities for material design leading to novel devices are opened. This multiauthor book written by...
Includes section, "Recent book acquisitions" (varies: Recent United States publications) formerly published separately by the U.S. Army Medical Library.
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Accountability, autonomy and choice are now the watchwords of education reformers around the globe. This book presents new evidence from the Programme for International Student Assessment (PISA) test on whether students perform better in school systems with such institutional measures in place. It also provides a theoretical framework for considering these reforms and summarizes previous international evidence. The results confirm that various policies promoting accountability, autonomy and choice are strongly associated with higher achievement for students from both disadvantaged and advantaged backgrounds. In particular, choice through public funding for private schools is associated with both higher performance overall and higher equality of opportunity. Providing detailed and rich facets of different forms of accountability, autonomy and choice, this book is unique in its empirically based and internationally oriented treatment of this up-to-date policy topic. It will be of great interest to academics, policy-makers and practitioners, as well as students in education policy and in the economics of education.
This Festschrift is an outgrowth of a collection of papers presented as a conference in honor of Professor Heinz K. Henisch on his sixty-fifth birthday held at the Institute for Amorphous Studies. Bloomfield Hills. Michigan. It is our great pleasure to be editors of the Festschrift volume to honor Heinz and his work. Professor Henisch has a long and distinguished career and has many accomplishments in semiconductor materials and devices. He has made seminal contributions to the understanding of semiconductor switching devices and contact properties. He has an outstandin~ reputation as an expositor of science. His seminars and lectures are always deep. lucid and witty. He received his doctora...
This book constitutes the thoroughly refereed post-conference proceedings of the 7th European Workshop on Public Key Infrastructures, Services and Applications, EuroPKI 2010, held in Athens, Greece, in September 2010. The 14 revised full papers presented together with an invited article were carefully reviewed and selected from 41 submissions. The papers are organized in topical sections on authentication mechanisms; privacy preserving techniques; PKI & PKC applications; electronic signature schemes; identity management.