New technique developed to study superconductivity
28 June 2008Recently a research finding was published in the Journal “Nature Physics” and it was claimed that a team of physicists from University of British Columbia lead by Andrea Damascelli. Superconductivity is a phenomenon in which the resistance of the conducting materials becomes zero at very low temperatures (-273K), however a class of super conductors shows minimal resistance at higher temperatures also.
The research team developed a technique through which scientists can deposit the number of potassium atoms on ultra thin layer of super conducting copper oxide. Thus the number of electrons on the surface of thin layer plays an important role in conducting electricity through the materials.
The properties of the thin layer and the superconducting material differ and therefore the behavior of electrons on the superconducting surface has been studied by the researchers. The technique will be useful for many future applications including fuel cells and power cables.
Physics Assoc. Prof. Andrea Damascelli took the purest superconductor sample for study and those samples were produced by Doug Bonn and his team at UBC. Some of the experiments were also carried out at Advance Light Source Synchrotron in California.
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