Journal
APPLIED PHYSICS LETTERS
Volume 101, Issue 1, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4731272
Keywords
boron; densification; elemental semiconductors; heat treatment; nanoparticles; Peltier effect; silicon; sintering; sparks
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Funding
- German Research Foundation (DFG) [SPP 1386]
- European Union
- Ministry of Innovation, Science and Research of the German State of North Rhine-Westphalia (NanoEnergieTechnikZentrum, NETZ)
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It is shown that current-activated pressure-assisted densification (CAPAD) is sensitive to the Peltier effect. Under CAPAD, the Peltier effect leads to a significant redistribution of heat within the sample during the densification. The densification of highly p-doped silicon nanoparticles during CAPAD and the properties of the obtained samples are investigated experimentally and by computer simulation. Both, simulation and experiments, indicate clearly a higher temperature on the cathode side and a decreasing temperature from the center to the outer shell. Furthermore, computer simulations provide additional insights into the temperature profile which explain the anisotropic properties of the measured sample. (C) 2012 American Institute of Physics. [http://dx.doi.org/10.1063/1.4731272]
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