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Summary: The demand for high performance computing research has
been significantly increasing over the past few years. Various
centers have been created in an attempt to address an aspect
of this increasing demand, with a select few truly making an
impact. The Center for Scientific Computing (CSC) at UCSB
is one of these select few. The CSC, located in the California
NanoSystems Institute (CNSI), was formed to promote the
effective use of High Performance Computing in the research
environment. In addition to providing resources, the CSC has
incorporated training into their mission as well by sponsoring
classes, tutorials, and individual training.
According to Chris Van de Walle, professor of materials,
the CSC facility has enabled cutting-edge computations
material research, "Having a high-performance computing
environment available right here on campus has allowed
us to directly impact a number of research projects." One
such area of investigation is the effect of impurities on the
electronic properties of semiconductors. Using "first-principles
calculations", Van de Walle's group found that hydrogen
impurities significantly affect the electrical conductivity of
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