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Sunday, April 10, 2016

#342 Manipulating chemical composition of solids

Tinkering with chemical compositions of conductors such as metals will do us little good in terms of altering their physical properties to the point where new applications of the material will become possible. As an excellent conductor of electricity, metal can only up to certain point be converted into not-so-good conductor by altering its chemical makeup.


In contrast, fundamental physical properties of some insulators, most notably oxides, as well as semiconductors can be drastically altered by the modification of their chemical composition.


With proper alterations of their chemical composition some oxides can be made conductive, and even superconducting, can be converted from dielectrics to ferroelectrics, can acquire magnetic properties and so on, all under the banner of functional oxides.



Semiconductors story in this regard is equally exciting (see follow up blog).


Posted by Jerzy Ruzyllo at 05:50 PM | Semiconductors | Link is the personal blog of Jerzy Ruzyllo. With over 35 years of experience in academic research and teaching in the area of semiconductor engineering (currently holding position of a Distinguished Professor of Electrical Engineering and Professor of Materials Science and Engineering at Penn State University), he has a unique perspective on the developments in this progress driving technical domain and enjoys blogging about it.

With over 2000 terms defined and explained, Semiconductor Glossary is the most complete reference in the field of semiconductors on the market today.

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