Effect of size with freedom of pressure and temperature for nanomaterials

Kumar, Munish ; Sharma, Geeta


A simple theoretical model is developed, which includes the effect of size, pressure and temperature on nanomaterials. The model is used to compute the variation of unit cell volume under different conditions of size, pressure and temperature of nanomaterials, viz., ε-Fe, Ni, Se and Zr. The results obtained are compared with the available experimental data. A good agreement is observed between model predictions and experimental data supporting the validity of the proposed model. Model predictions, reported in the absence of experimental data, may be interesting for the researchers engaged in the experimental studies of nanomaterials under varying conditions of size, pressure and temperature.


Nanomaterials; Thermal expansion; Equation of states; Inverse Hall-Petch effect

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