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Phonon-Induced Thermodynamic Properties of Ultra-narrow Wires

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2018
857.pdf (501.3Kb)
Authors
Ilić, Dušan I.
Šetrajčić, Jovan P.
Jaćimovski, Stevo
Article (Published version)
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Abstract
In this paper, we investigated the influence of size effect on thermodynamic properties of ultra-narrow wires with a simple cubic lattice, by means of two-time dependent Green functions method, adjusted to confined crystalline structures. Poles of Green functions, which defining phonon spectra, are found by solving the secular equation. For different boundary parameters, this problem is presented graphically. The temperature behavior of ultra-narrow wire thermal capacitance is compared to that of bulk structures. It turned out that in low-temperature region thermal capacitance of the ultra-narrow wire is notably lower than in the corresponding bulk sample. How this fact reflects the thermal, conducting and superconducting properties of materials, is discussed in the conclusion.
Source:
Acta physica polonica A, 2018, 133, 1, 57-62
Publisher:
  • Polish Acad Sciences Inst Physics, Warsaw
Funding / projects:
  • Design and modeling of specific features of nanostructured samples (RS-171039)
  • Inovation of Forensic Methods and their Application (RS-34019)
  • Ministry of Science and Technological Development of the Republic of Srpska
  • Provincial Secretariat for High Education, Science and Technological Development of Vojvodina

DOI: 10.12693/APhysPolA.133.57

ISSN: 0587-4246

WoS: 000423715300011

Scopus: 2-s2.0-85042325982
[ Google Scholar ]
1
1
URI
http://jakov.kpu.edu.rs/handle/123456789/859
Collections
  • Radovi istraživača / Researchers' publications
Institution/Community
Jakov
TY  - JOUR
AU  - Ilić, Dušan I.
AU  - Šetrajčić, Jovan P.
AU  - Jaćimovski, Stevo
PY  - 2018
UR  - http://jakov.kpu.edu.rs/handle/123456789/859
AB  - In this paper, we investigated the influence of size effect on thermodynamic properties of ultra-narrow wires with a simple cubic lattice, by means of two-time dependent Green functions method, adjusted to confined crystalline structures. Poles of Green functions, which defining phonon spectra, are found by solving the secular equation. For different boundary parameters, this problem is presented graphically. The temperature behavior of ultra-narrow wire thermal capacitance is compared to that of bulk structures. It turned out that in low-temperature region thermal capacitance of the ultra-narrow wire is notably lower than in the corresponding bulk sample. How this fact reflects the thermal, conducting and superconducting properties of materials, is discussed in the conclusion.
PB  - Polish Acad Sciences Inst Physics, Warsaw
T2  - Acta physica polonica A
T1  - Phonon-Induced Thermodynamic Properties of Ultra-narrow Wires
VL  - 133
IS  - 1
SP  - 57
EP  - 62
DO  - 10.12693/APhysPolA.133.57
UR  - conv_1209
ER  - 
@article{
author = "Ilić, Dušan I. and Šetrajčić, Jovan P. and Jaćimovski, Stevo",
year = "2018",
abstract = "In this paper, we investigated the influence of size effect on thermodynamic properties of ultra-narrow wires with a simple cubic lattice, by means of two-time dependent Green functions method, adjusted to confined crystalline structures. Poles of Green functions, which defining phonon spectra, are found by solving the secular equation. For different boundary parameters, this problem is presented graphically. The temperature behavior of ultra-narrow wire thermal capacitance is compared to that of bulk structures. It turned out that in low-temperature region thermal capacitance of the ultra-narrow wire is notably lower than in the corresponding bulk sample. How this fact reflects the thermal, conducting and superconducting properties of materials, is discussed in the conclusion.",
publisher = "Polish Acad Sciences Inst Physics, Warsaw",
journal = "Acta physica polonica A",
title = "Phonon-Induced Thermodynamic Properties of Ultra-narrow Wires",
volume = "133",
number = "1",
pages = "57-62",
doi = "10.12693/APhysPolA.133.57",
url = "conv_1209"
}
Ilić, D. I., Šetrajčić, J. P.,& Jaćimovski, S.. (2018). Phonon-Induced Thermodynamic Properties of Ultra-narrow Wires. in Acta physica polonica A
Polish Acad Sciences Inst Physics, Warsaw., 133(1), 57-62.
https://doi.org/10.12693/APhysPolA.133.57
conv_1209
Ilić DI, Šetrajčić JP, Jaćimovski S. Phonon-Induced Thermodynamic Properties of Ultra-narrow Wires. in Acta physica polonica A. 2018;133(1):57-62.
doi:10.12693/APhysPolA.133.57
conv_1209 .
Ilić, Dušan I., Šetrajčić, Jovan P., Jaćimovski, Stevo, "Phonon-Induced Thermodynamic Properties of Ultra-narrow Wires" in Acta physica polonica A, 133, no. 1 (2018):57-62,
https://doi.org/10.12693/APhysPolA.133.57 .,
conv_1209 .

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