Abstract
Ultrafine particles of tellurium have been produced by evaporating tellurium powder from a quartz boat using the atmospheric temperature. Particles of 20–200 nm in size grew under low vapor pressure of tellurium. The shapes of the particles were sphere and hexagonal rod. Spherical amorphous particles also grew in the smoke. Hollow hexagonal rod particles grew under high vapor pressure of tellurium. The growth mechanism of these particles is discussed on the basis of atmospheric temperature and the vapor pressure of tellurium.
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