Technical Physics Letters
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Crystal ordering by structural defects
Magomedov M. N.
1
1Institute for geothermal problems and renewable energy – branch of the joint Institute of high temperatures of the Russian Academy of Sciences, Makhachkala, Russia
Email: mahmag4@mail.ru
Based on calculations of activation process parameters for gold, it is shown that if the energy required to create a defect (vacancy or diffusing atom) is less than a certain value (hi<hsi), or the resulting defect has a volume less than a certain value (vi < vsi), then this defect has negative entropy, i. e. this defect orders the crystal. The changes in the functions of hsi and vsi with increasing pressure has been studied. Keywords: vacancy, self-diffusion, entropy, enthalpy, ordering, gold.
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