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Fundamental understanding
of advanced materials often requires access to research-size "custom"
single crystals. This is a critical capability for research on advanced
high temperature, radiation resistant, detector/sensor and electronic
materials where synthesis of new materials and subsequent doping
studies within an identified system are essential. In response to
this need, this state-of-the-art bulk crystal growth user facility
at Los Alamos National Laboratory permits growth of single crystals
of advanced materials, such as refractory metals, intermetallics,
complex oxides and non-oxides, some that melt at temperatures greater
than 3000 degrees C.
The facility consists
of five dedicated crystal growth units and ancillary support equipment.
Floating-Zone, Czochralski and Bridgman growth methods are employed.
There are two float-zone units, two RF-heated Czochralski units,
a Czochralski-type Tri-arc unit, and three 3-zone furnaces for Bridgman
growth. Support equipment includes a cold isostatic press, an arc
melter, and various controlled atmosphere furnaces and ovens for
materials preparation.
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