Josef Novák – författare
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9 produkter
9 produkter
Inbunden, Engelska, 1997
2 138 kr
Skickas inom 10-15 vardagar
Five questions dominated the ARW on Physics and Materials Science of High Temperature Superconductors, of which this book forms the permanent record. Briefly, these are: (i) How close are we to a unified theory? The consensus is that we are not. (ii) Flux pinning: can it be achieved in bulk materials? Still an open question. The following three questions are related. (iii) Can grain boundary contributions be brought under control? (iv) What is the real requirement for purity and general chemistry control? (v)What is the practical outlook for bulk products - tapes and wires? One of the conclusions is that the geometry and dimensions in thin films are the key parameters that facilitate the realization of high current densities and, consequently, their commercial application. On the other hand, the very large number of poorly understood microstructural, chemical and mechanical variables involved in the preparation of bulk materials are currently prohibiting large scale commercialization of wires and tapes.
Inbunden, Engelska, 1998
2 138 kr
Skickas inom 10-15 vardagar
The spatial beam structure that is formed in the laser cavity together with the active element constitute the most critical laser elements. The engineering devices, such as excitation systems, lasing gas circulation systems, and so on, are usually at the top of the agenda of scientific meetings: the divergence problem has never previously been discussed by a broad community of experts. The conversion of scientific and technological experience accumulated during the development of high power military laser, where efficiency was not necessarily the major driving force, into commercially viable industrial lasers, will require attention to be focused on the general problems of beam divergence. This text presents a dialogue between specialists in resonator cavity design from NATO and Cooperating Partner countries. The book is divided into four parts covering: theory, in which fundamental questions of resonator physics and optical design are addressed; theoretical and practical problems; the design of optical elements; and the optimization of designs.
Inbunden, Engelska, 1998
2 138 kr
Skickas inom 10-15 vardagar
Novel microelectronic and optoelectronic devices are based on semiconductor heterostructures. The present book discusses various questions related to the use of new materials, such as compound semiconductors based on high band-gap nitrides and low band-gap antimonides, and new procedures, such as low-temperature epitaxial growth, and new principles, such as nanostructures, quantum wires and dots, the aim being to achieve high-performance heterostructural electronic devices.
Häftad, Engelska, 1998
2 138 kr
Skickas inom 10-15 vardagar
Novel microelectronic and optoelectronic devices are based on semiconductor heterostructures. The present book discusses various questions related to the use of new materials, such as compound semiconductors based on high band-gap nitrides and low band-gap antimonides, and new procedures, such as low-temperature epitaxial growth, and new principles, such as nanostructures, quantum wires and dots, the aim being to achieve high-performance heterostructural electronic devices.
Inbunden, Engelska, 1985
1 907 kr
Skickas inom 5-8 vardagar
No detailed description available for "Convergence Structures 1984".
Del 11 - Bücher der ärztlichen Praxis
Die Menstruation und ihre Störungen
Häftad, Tyska, 1928
571 kr
Skickas inom 10-15 vardagar
Dieser Buchtitel ist Teil des Digitalisierungsprojekts Springer Book Archives mit Publikationen, die seit den Anfängen des Verlags von 1842 erschienen sind. Der Verlag stellt mit diesem Archiv Quellen für die historische wie auch die disziplingeschichtliche Forschung zur Verfügung, die jeweils im historischen Kontext betrachtet werden müssen. Dieser Titel erschien in der Zeit vor 1945 und wird daher in seiner zeittypischen politisch-ideologischen Ausrichtung vom Verlag nicht beworben.
Häftad, Engelska, 2010
2 138 kr
Skickas inom 10-15 vardagar
The spatial beam structure that is formed in the laser cavity together with the active element constitute the most critical laser elements. The engineering devices, such as excitation systems, lasing gas circulation systems, etc., are usually at the top of the agenda of scientific meetings: the divergence problem has never previously been discussed by a broad community of experts. The conversion of scientific and technological experience accumulated during the development of high power military laser, where efficiency was not necessarily the major driving force, into commercially viable industrial lasers will require attention to be focused on the general problems of beam divergence. The present book presents a dialogue between specialists in resonator cavity design from NATO and Cooperating Partner countries. The book is divided into four parts: Theory, in which fundamental questions of resonator physics and optical design are addressed; Theoretical and Practical Problems; The Design of Optical Elements; and The Optimization of Designs.
Häftad, Engelska, 2012
2 138 kr
Skickas inom 10-15 vardagar
Five questions dominated the ARW on Physics and Materials Science of High Temperature Superconductors, of which this book forms the permanent record. Briefly, these are: (i) How close are we to a unified theory? The consensus is that we are not. (ii) Flux pinning: can it be achieved in bulk materials? Still an open question. The following three questions are related. (iii) Can grain boundary contributions be brought under control? (iv) What is the real requirement for purity and general chemistry control? (v)What is the practical outlook for bulk products - tapes and wires? One of the conclusions is that the geometry and dimensions in thin films are the key parameters that facilitate the realization of high current densities and, consequently, their commercial application. On the other hand, the very large number of poorly understood microstructural, chemical and mechanical variables involved in the preparation of bulk materials are currently prohibiting large scale commercialization of wires and tapes.
Del 11 - NATO Science Partnership Subseries: 3
Heterostructure Epitaxy and Devices
Häftad, Engelska, 2014
540 kr
Skickas inom 10-15 vardagar
From October 15 to 19, 1995 a Workshop on Hetero- structureEpitaxyandDeviceswasheldatSmoleniceCastlenear Slovakia'scapital Bratislava. The intention ofthisWorkshop was toestablishandstrengthentiesbetweenscientistsoftheformerly Socialist East and Middle-European states with their colleagues fromtheWesterncountries. WiththisaimtheWorkshopfoundthe financialsupportbyNATOwhichtremendouslyhelpedtofacilitate organizingthemeeting That the Workshop was also a scientific success is evidenced by the present volume comprising a selection of the contributed papers. We are confident that the reader of these Proceedings can convincehimselfofthe highqualityofthe work whose results are presented here. We hope that this and the numerousdiscussionsbetweenthe participants ofthe Workshop will promote cooperations among scientists from the countries representedatthemeeting.It is a pleasure to express our gratitude to NATO and, as representatives ofthe institutions involved in the organization, to Lubomir Malacky (Institute of Electrical Engineering, Slovak Academy of Sciences) and Hergo-Heinrich Wehmann (Institute for Semiconductor Technology, Technical University Braun- schweig) whose dedicated work was most essential for the Workshop. A. Schlachetzki J. Novak November1995 xiii SIMULATIONOFIII-VLAYERGROWTH y. ARIMA DepartmentofPhysics, Gakushuin University 1-5-1 Mejiro, Toshima-ku, Tokyo 171, Japan AND T. IRISAWA ComputerCenter, Gakushuin University 1-5-1 Mejiro, Toshima-ku, Tokyo 171, Japan 1. Introduction Since it was reported [1] that the intensities of RHEED for the growing surface of aGaAs crystal in the process of MBE oscillate with a period correspondingto the completion of a monolayer, this phenomenon has been applied to the thin layer growth of man-made superlattices.