Thermal characterization and stress analysis of Ho2O3 thin film on 4H-SiC substrate

Odesanya, Kazeem Olabisi and Ahmad, Roslina and Andriyana, Andri and Bingol, Sedat and Cetinkaya, Ridvan and Wong, Yew Hoong (2022) Thermal characterization and stress analysis of Ho2O3 thin film on 4H-SiC substrate. Materials Science in Semiconductor Processing, 152. ISSN 1369-8001, DOI https://doi.org/10.1016/j.mssp.2022.107110.

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Abstract

The performance of a metal oxide semiconductor during operation could be hindered significantly due to thermodynamic instability and mismatch between the gate oxide layer and the substrate. Owing to variation in temperature during thermal applications, the thin film layers and substrates in complementary metal oxide semiconductor (CMOS) structures are subjected to high thermal stresses, which can result in large deformation and failure. In this study, the distribution of heat and thermal stress between the Ho2O3 thin film and the SiC substrate has been simulated numerically with finite element modelling and analysis software (ANSYS). This is necessary to emulate the thermal behaviour of the structure under different thermal loadings, and for each temperature loading, the effects of thermal stress and deformation on the structure were also evaluated. Based on the results of the simulation, an optimum temperature was suggested. The thermal stability and characteristics of the thin film layer/SiC structure were evaluated and validated for better electrical performance.

Item Type: Article
Funders: Ministry of Higher Edu- cation (MOHE) Malaysia via the Fundamental Research Grant Scheme (FRGS), Universiti Malaya (UM) via Southeast Asia - Taiwan Universities (SATU) Joint Research Scheme (FRGS/1/2022/TK09/UM/02/33), Universiti Malaya (UM) via Southeast Asia - Taiwan Universities (SATU) Joint Research Scheme (ST009-2022)
Uncontrolled Keywords: Thermal stress; Deformation; Temperature; Reliability; Simulation; Interface
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions: Faculty of Engineering > Department of Mechanical Engineering
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 14 Jul 2023 07:26
Last Modified: 14 Jul 2023 07:26
URI: http://eprints.um.edu.my/id/eprint/41036

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