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## Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires

#### Ibrahim Nazem QADER [1] , Botan Jawdat ABDULLAH [2] , Mustafa Saeed OMAR [3]

Mathematical modeling has been extended to simulate some physical systems to calculate some parameters that may need a sophisticated cost or may have some obstacles to be measured directly with an experimental method. In this study, the Modified Callaway Model has been used to calculate size dependence lattice thermal conductivity (LTC), and the influence of carrier concentration for bulk Si and its nanowires (NWs) with diameters of 22, 37, 56, and 115 nm has been investigated. Calculations were performed from 3K to 1600K for all cases. The effects of carrier concentration on LTC has found to begin from (1016 cm-1) for the bulk state and that increased to (1024 cm-1) for the NW with a diameter of 22 nm. The temperature that the maximum effect of carrier concentration can occur, has found to be at (10 K) for the bulk, and that increased to (340 K) for the (22 nm) Si NW.
Lattice Thermal Conductivity, Si, Nanowires, Carrier Concentration, Mass Density
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Primary Language en Science June 2020 Research Article Author: Ibrahim Nazem QADER (Primary Author)Institution: University of RaparinCountry: Iraq Author: Botan Jawdat ABDULLAH Institution: Salahaddin UniversityCountry: Iraq Author: Mustafa Saeed OMAR Institution: Salahaddin UniversityCountry: Iraq Salahaddin-Erbil University 7/29/2359-2472017 Application Date : December 10, 2019 Acceptance Date : May 5, 2020 Publication Date : June 30, 2020
 Bibtex @research article { asujse657837, journal = {Aksaray University Journal of Science and Engineering}, issn = {}, eissn = {2587-1277}, address = {Aksaray Üniversitesi, Fen Bilimleri Enstitüsü, Merkez Kampüs, 68100 Aksaray}, publisher = {Aksaray University}, year = {2020}, volume = {4}, pages = {30 - 42}, doi = {10.29002/asujse.657837}, title = {Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires}, key = {cite}, author = {Qader, Ibrahim Nazem and Abdullah, Botan and Omar, Mustafa} } APA Qader, I , Abdullah, B , Omar, M . (2020). Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires . Aksaray University Journal of Science and Engineering , 4 (1) , 30-42 . DOI: 10.29002/asujse.657837 MLA Qader, I , Abdullah, B , Omar, M . "Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires" . Aksaray University Journal of Science and Engineering 4 (2020 ): 30-42 Chicago Qader, I , Abdullah, B , Omar, M . "Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires". Aksaray University Journal of Science and Engineering 4 (2020 ): 30-42 RIS TY - JOUR T1 - Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires AU - Ibrahim Nazem Qader , Botan Abdullah , Mustafa Omar Y1 - 2020 PY - 2020 N1 - doi: 10.29002/asujse.657837 DO - 10.29002/asujse.657837 T2 - Aksaray University Journal of Science and Engineering JF - Journal JO - JOR SP - 30 EP - 42 VL - 4 IS - 1 SN - -2587-1277 M3 - doi: 10.29002/asujse.657837 UR - https://doi.org/10.29002/asujse.657837 Y2 - 2020 ER - EndNote %0 Aksaray University Journal of Science and Engineering Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires %A Ibrahim Nazem Qader , Botan Abdullah , Mustafa Omar %T Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires %D 2020 %J Aksaray University Journal of Science and Engineering %P -2587-1277 %V 4 %N 1 %R doi: 10.29002/asujse.657837 %U 10.29002/asujse.657837 ISNAD Qader, Ibrahim Nazem , Abdullah, Botan , Omar, Mustafa . "Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires". Aksaray University Journal of Science and Engineering 4 / 1 (June 2020): 30-42 . https://doi.org/10.29002/asujse.657837 AMA Qader I , Abdullah B , Omar M . Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires. Aksaray J. Sci. Eng.. 2020; 4(1): 30-42. Vancouver Qader I , Abdullah B , Omar M . Range Determination of the Influence of Carrier Concentration on Lattice Thermal Conductivity for Bulk Si and Nanowires. Aksaray University Journal of Science and Engineering. 2020; 4(1): 30-42.

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