Phonon Contribution in Thermodynamics and Transport Properties of Ultrathin Ceramic Films

• Authors: S. Jaćimovski , J. Šetrajčić , M. Jaćimovski , V. Stojanović
• Languages of publication: EN

Abstracts

EN

The dispersion law, density states of phonons, thermodynamics properties and thermal conductivity was analyzed in this paper. It has been shown that at low temperatures, thermal conductivity of thin film is considerably lower that of bulk-structure. It turned out that phonons in thin film require activation energy for exciting. This leads to extremely low specific heat and specific conductivity at low temperatures. Consequences of quoted facts were discussed in detail and their influence on kinetic and thermodynamic properties of thin films is estimated.

Keywords

EN

73.50.-h; 73.61.-r; 74.25.fc; 66.30.Xj; 65.40.-b

Discipline

• 65.40.-b: Thermal properties of crystalline solids
• 66.30.Xj: Thermal diffusivity
• 73.61.-r: Electrical properties of specific thin films(for optical properties of thin films, see 78.20.-e and 78.66.-w; for magnetic properties of thin films, see 75.70.-i)
• 73.50.-h: Electronic transport phenomena in thin films(for electronic transport in mesoscopic systems, see 73.23.-b; see also 73.40.-c Electronic transport in interface structures; for electronic transport in nanoscale materials and structures, see 73.63.-b)
• 74.25.fc: Electric and thermal conductivity

• Journal: Acta Physica Polonica A
• Year: 2014
• Volume: 126
• Issue: 3
• Pages: 811-820

Dates

published

2014-08

received

2014-03-26

Contributors

author

S. Jaćimovski

• Academy of Criminology and Police Studies, Zemun, Cara Dušana 196, Belgrade, Serbia

author

J. Šetrajčić

• University of Novi Sad, Faculty of Sciences, Department of Physics, Novi Sad Trg Dositeja Obradovića 4, Vojvodina, Serbia

author

M. Jaćimovski

• University of Novi Sad, Faculty of Engineering, Novi Sad, Trg Dositeja Obradovića 6, Serbia

author

V. Stojanović

• High Chemical Medical School, Vršac, Sterijina 113, Serbia

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Identifiers

DOI

10.12693/APhysPolA.126.811