Modelling for the Study of Thermoelastic Properties of Nanoparticles

Pathak, Shridhar; Pandey, Brijesh; Jaiswal, Ratan Lal

doi:10.5185/amlett.2021.021605

Cited by 2 publications

(2 citation statements)

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“…Our computed results for Cu, and Si are also compared with the simulated results reported by other researchers [25]. There is a very good agreement between our computed results and the experimental results or the simulated results reported by [25]. Variation of Young's modulus with temperature for 5 and 6.…”

Section: Table 1 Required Data For the Atomic Diameter D (Nm) Atomic Packing Fraction η And The Bulk Volume Thermal Expansion Coefficientsupporting

confidence: 83%

Thermo-physical Behavior of Nanomaterials with the Change in Size and Shape

Jaiswal¹,

Pandey

Mishra

et al. 2021

International Journal of Thermodynamics

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Thermo elastic properties of nanomaterials has been very interesting among the researchers during the last decade, still it is a great challenge to predict the exact thermoelastic behaviour of nanomaterials. In the present work we have studied the volume thermal expansion coefficient of low dimensional solid and the variation of Young's modulus with change in temperature for different shapes of nanomaterials by considering the effect of packing factor. We have computed the volume thermal expansion coefficient of Silver (Ag), Aluminum (Al), Copper (Cu), and Lead (Pb) with their varying size. The effect of temperature on Young's modulus of Silver (Ag), Gold (Au), Nickel (Ni), Copper (Cu) and Silicon (Si) has also been studied. The computed results are compared with available experimental data which confirms that the volume thermal expansion coefficient increases with reduction in size of the nanomaterials. It has been also observed that the Young's modulus has linear decrement with increase in temperature which indicates that Young's modulus of nanomaterials has negative temperature coefficient.

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Section: Table 1 Required Data For the Atomic Diameter D (Nm) Atomic Packing Fraction η And The Bulk Volume Thermal Expansion Coefficientsupporting

confidence: 83%

Thermo-physical Behavior of Nanomaterials with the Change in Size and Shape

Jaiswal¹,

Pandey

Mishra

et al. 2021

International Journal of Thermodynamics

View full text Add to dashboard Cite

show abstract

“…Thermodynamic properties such as cohesive energy, melting temperature, Debye temperature, melting entropy, melting enthalpy and specific heat of nanomaterials also differ from those of corresponding bulk materials due to the surface effects [10]. The elastic properties of nanomaterials like young's modulus, bulk modulus, shear modulus, isothermal compressibility have the completely different behavior at the nano level [11]. Also, the optical and electrical properties have different nature at their nano range of size as reported by various researchers [12].…”

Section: Introductionmentioning

confidence: 99%