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Vol. 96, Issue 20, 11069-11070, September 28, 1999
Beijing Laboratory of Electron Microscopy, Institute of Physics,
Chinese Academy of Sciences, P. O. Box, 2724, 100080 Beijing,
China
This report introduces briefly some concepts and materials on
crystal growth presented by Dr. Zhen-yu Zhang from the Oak Ridge (TN)
National Laboratory, and Dr. En-ge Wang from the Institute of Physics,
Chinese Academy of Sciences, in a session on crystal growth at the
first Chinese-American Frontiers of Science Symposium.
Crystal growth involves a variety of research fields ranging from
surface physics, crystallography, and material sciences to condenser
mater physics. Though it has been studied extensively more than 100 years, crystal growth still plays an important role in both theoretical
and experimental research fields, as well as in applications. For
example, how to growth ideal high Tc superconductor crystal has become
an dominant subject both for testing of superconductor theories and
physical properties. Furthermore, carbon 60 and carbon nano-tubes have
opened a new field to both condensed mater physics and chemistry. From
the recent discoveries in high Tc superconductors and C60, which
brought the Nobel prize to the pioneer researchers in this field, one
can understand the importance of crystal growth today.
As the development of scientific instruments and analytical methods,
such as x-rays, electron microscopy, NMR, and scanning tunneling
microscopy continues, research on crystal growth and structure
characterization has entered an atomic level, which makes it possible
for further understanding of the physical, chemical, and other
properties of the structure nature of various crystals. Especially for
the crystals with low dimension and nano-structures, such as carbon
nanotubes, blue-light emitting GaN thin films, and magnetic multilayers
with giant magneto-resistance, their abnormal properties that have
great potential in application can be understood only with the
knowledge of structure at the atomic level. Moreover, a further
improvement of crystal quality also depends on the structure characterizations.
Based on its importance described above, crystal growth had been chosen
as one of the topics in the
This paper is a summary of a session presented at the first
Chinese-American Frontiers of Science symposium, held August 28-30,
1998, at the Arnold and Mabel Beckman Center of the National Academies
of Sciences and Engineering, in Irvine, CA.
From the Academy
Crystal growth
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