Karl W. Böer

Electro-Optical Effects to Visualize Field and Current Distributions in Semiconductors (eBook, PDF)

• Format: PDF

Produktbeschreibung

This monograph of Electro-Optical E?ects to Visualize Field- and Current- Distributions in Semiconductors consists of ?ve parts, four of which are based ontheresearchofcadmiumsul?de,wherealargenumberofcontributionswere made between 1958 and the late 1960s to directly observe ?eld and current distributionsandinterprettheirresults.Thevisualizationof?elddistributions was accomplished by using the Franz Keldysh e?ect, and the visualization of currentinhomogeneitiesusestheshiftoftheopticalabsorptionedgebyJoule's heating. The ?fth part deals with a review of the explosively developing ?eld of N- and S-shaped current voltage characteristics causing inhomogeneities and instabilities in ?eld and current distributions. This part of the book was composed by Eckehard Sch¿ oll of the Technical University in Berlin. A major emphasis is given to the ?rst part of the book in which s- tionary high-?eld domains are described. These domains can be used as an essential tool to determine unambiguously certain semiconductor properties, such as the electron density and its mobility as the function of the actual electric ?eld. It is also helpful to determine changes of the work function and electron a?nities between di?erent materials, such as for electrodes and h- erojunctions. Finally, it gives direct information about certain doping and their spacial pro?le.

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Produktdetails

• Verlag: Springer Berlin Heidelberg
• Seitenzahl: 125
• Erscheinungstermin: 2. Februar 2010
• Englisch
• ISBN-13: 9783642034404
• Artikelnr.: 37371319

Autorenporträt

Dr. Karl W. Böer, is a Distinguished Professor of Physics and Solar Energy at the University of Delaware, emeritus, he is a fellow of the American Physical Society, the IEEE, the ASES, and the AAAS; he has won numerous top prizes in National and International Professional Societies and from his University; he is the Author of over 320 publications relating to solid state physics and solar energy and the author of six books in solid state physics, numerous book chapters and editor of 25 international proceedings. He created physica status solidi and is still an editor of series (a), he has created and acted as editor-in-chief of the Advances in Solar Energy for more than two decades. Listed in World's Who's Who and may other reference books and was recently inducted into the World's Solar Energy Hall of Fame. He is best known for his extensive research into the electrical properties of cadmium sulfide and for his development of CdS-based solar cells and for the creation of the first solar house that integrated solar electric and thermal conversion in a systems approach (the Solar One house of the University of Delaware). He is the author of numerous patents in the field of semiconducting and photo conducting devices. He is still a Research Professor with the Department of Physics and Astronomy, and the Department of Material Science and Engineering, as well as conducting joined research of CdS/CdTe solar cells with members of the Institute of Energy Conversion of the University of Delaware. The University created in his name the Solar Energy Medal for Distinguished Contribution to Global Solar Energy Utilization, with the first awardee, the former President of United States, Jimmy Carter in 1988 and since then biannually to worlds leaders in solar energy conversion.

Inhaltsangabe

High-Field Domains.- Moving High-Field Domains.- Negative Differential Conductivity Caused by Mobility.- Negative Differential Conductivity in Other Materials.- Current Channels.