The Influence of Oxidation on the Magnetic, Electrical, and Mechanical Properties of Co40Fe40Yb20 Films

A typical body-centered cubic (BCC) CoFe(110) peak was discovered at approximately 2θ = 44.7°. At 2θ = 46°, 46.3°, 47.7°, 55.4°, 54.6°, and 56.4°, the Yb2O3 and Co2O3 oxide peaks were visible in all samples. However, with a heat treatment temperature of 300 °C, there was no typical peak of CoFe(110)...

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Veröffentlicht in:Materials 2022-12, Vol.15 (23), p.8675
Hauptverfasser: Liu, Wen-Jen, Chang, Yung-Huang, Chiang, Chia-Chin, Chen, Yuan-Tsung, Chen, Ying-Hsuan, You, Hui-Jun, Wu, Te-Ho, Lin, Shih-Hung, Chi, Po-Wei
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container_end_page
container_issue 23
container_start_page 8675
container_title Materials
container_volume 15
creator Liu, Wen-Jen
Chang, Yung-Huang
Chiang, Chia-Chin
Chen, Yuan-Tsung
Chen, Ying-Hsuan
You, Hui-Jun
Wu, Te-Ho
Lin, Shih-Hung
Chi, Po-Wei
description A typical body-centered cubic (BCC) CoFe(110) peak was discovered at approximately 2θ = 44.7°. At 2θ = 46°, 46.3°, 47.7°, 55.4°, 54.6°, and 56.4°, the Yb2O3 and Co2O3 oxide peaks were visible in all samples. However, with a heat treatment temperature of 300 °C, there was no typical peak of CoFe(110). Electrical characteristics demonstrated that resistivity and sheet resistance reduced dramatically as film thickness and annealing temperatures increased. At various heat treatments, the maximum hardness was 10 nm. The average hardness decreased as the thickness increased, and the hardness trend decreased slightly as the annealing temperature was higher. The highest low-frequency alternative-current magnetic susceptibility (χac) value was discovered after being annealed at 200 °C with 50 nm, and the optimal resonance frequency (fres) was discovered to be within the low-frequency range, indicating that the Co40Fe40Yb20 film can be used in low-frequency applications. The maximum saturation magnetization (Ms) was annealed at 200 °C for 50 nm. Thermal disturbance caused the Ms to decrease as the temperature reached to 300 °C. The results show that when the oxidation influence of as-deposited and thinner films is stronger than annealing treatments and thicker thickness, the magnetic and electrical properties can be enhanced by the weakening peak of the oxide, which can also reduce interference.
doi_str_mv 10.3390/ma15238675
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At 2θ = 46°, 46.3°, 47.7°, 55.4°, 54.6°, and 56.4°, the Yb2O3 and Co2O3 oxide peaks were visible in all samples. However, with a heat treatment temperature of 300 °C, there was no typical peak of CoFe(110). Electrical characteristics demonstrated that resistivity and sheet resistance reduced dramatically as film thickness and annealing temperatures increased. At various heat treatments, the maximum hardness was 10 nm. The average hardness decreased as the thickness increased, and the hardness trend decreased slightly as the annealing temperature was higher. The highest low-frequency alternative-current magnetic susceptibility (χac) value was discovered after being annealed at 200 °C with 50 nm, and the optimal resonance frequency (fres) was discovered to be within the low-frequency range, indicating that the Co40Fe40Yb20 film can be used in low-frequency applications. The maximum saturation magnetization (Ms) was annealed at 200 °C for 50 nm. Thermal disturbance caused the Ms to decrease as the temperature reached to 300 °C. The results show that when the oxidation influence of as-deposited and thinner films is stronger than annealing treatments and thicker thickness, the magnetic and electrical properties can be enhanced by the weakening peak of the oxide, which can also reduce interference.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma15238675</identifier><language>eng</language><publisher>Basel: MDPI AG</publisher><subject>Alloys ; Annealing ; Cobalt oxides ; Contact angle ; Electrical properties ; Energy ; Film thickness ; Frequency ranges ; Grain size ; Hardness ; Heat treatment ; Magnetic permeability ; Magnetic properties ; Magnetic saturation ; Mechanical properties ; Oxidation ; Temperature ; Thin films</subject><ispartof>Materials, 2022-12, Vol.15 (23), p.8675</ispartof><rights>2022 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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At 2θ = 46°, 46.3°, 47.7°, 55.4°, 54.6°, and 56.4°, the Yb2O3 and Co2O3 oxide peaks were visible in all samples. However, with a heat treatment temperature of 300 °C, there was no typical peak of CoFe(110). Electrical characteristics demonstrated that resistivity and sheet resistance reduced dramatically as film thickness and annealing temperatures increased. At various heat treatments, the maximum hardness was 10 nm. The average hardness decreased as the thickness increased, and the hardness trend decreased slightly as the annealing temperature was higher. The highest low-frequency alternative-current magnetic susceptibility (χac) value was discovered after being annealed at 200 °C with 50 nm, and the optimal resonance frequency (fres) was discovered to be within the low-frequency range, indicating that the Co40Fe40Yb20 film can be used in low-frequency applications. The maximum saturation magnetization (Ms) was annealed at 200 °C for 50 nm. Thermal disturbance caused the Ms to decrease as the temperature reached to 300 °C. 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Chang, Yung-Huang ; Chiang, Chia-Chin ; Chen, Yuan-Tsung ; Chen, Ying-Hsuan ; You, Hui-Jun ; Wu, Te-Ho ; Lin, Shih-Hung ; Chi, Po-Wei</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c342t-3ddd9cb7f9804647eab1429e94d35940de9d2539e4b369a17af9690411003d9b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Alloys</topic><topic>Annealing</topic><topic>Cobalt oxides</topic><topic>Contact angle</topic><topic>Electrical properties</topic><topic>Energy</topic><topic>Film thickness</topic><topic>Frequency ranges</topic><topic>Grain size</topic><topic>Hardness</topic><topic>Heat treatment</topic><topic>Magnetic permeability</topic><topic>Magnetic properties</topic><topic>Magnetic saturation</topic><topic>Mechanical properties</topic><topic>Oxidation</topic><topic>Temperature</topic><topic>Thin films</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Liu, Wen-Jen</creatorcontrib><creatorcontrib>Chang, Yung-Huang</creatorcontrib><creatorcontrib>Chiang, Chia-Chin</creatorcontrib><creatorcontrib>Chen, Yuan-Tsung</creatorcontrib><creatorcontrib>Chen, Ying-Hsuan</creatorcontrib><creatorcontrib>You, Hui-Jun</creatorcontrib><creatorcontrib>Wu, Te-Ho</creatorcontrib><creatorcontrib>Lin, Shih-Hung</creatorcontrib><creatorcontrib>Chi, Po-Wei</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science &amp; 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At 2θ = 46°, 46.3°, 47.7°, 55.4°, 54.6°, and 56.4°, the Yb2O3 and Co2O3 oxide peaks were visible in all samples. However, with a heat treatment temperature of 300 °C, there was no typical peak of CoFe(110). Electrical characteristics demonstrated that resistivity and sheet resistance reduced dramatically as film thickness and annealing temperatures increased. At various heat treatments, the maximum hardness was 10 nm. The average hardness decreased as the thickness increased, and the hardness trend decreased slightly as the annealing temperature was higher. The highest low-frequency alternative-current magnetic susceptibility (χac) value was discovered after being annealed at 200 °C with 50 nm, and the optimal resonance frequency (fres) was discovered to be within the low-frequency range, indicating that the Co40Fe40Yb20 film can be used in low-frequency applications. The maximum saturation magnetization (Ms) was annealed at 200 °C for 50 nm. Thermal disturbance caused the Ms to decrease as the temperature reached to 300 °C. The results show that when the oxidation influence of as-deposited and thinner films is stronger than annealing treatments and thicker thickness, the magnetic and electrical properties can be enhanced by the weakening peak of the oxide, which can also reduce interference.</abstract><cop>Basel</cop><pub>MDPI AG</pub><doi>10.3390/ma15238675</doi><orcidid>https://orcid.org/0000-0002-3746-8075</orcidid><orcidid>https://orcid.org/0000-0001-5982-6905</orcidid><orcidid>https://orcid.org/0000-0003-2809-913X</orcidid><oa>free_for_read</oa></addata></record>
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source PubMed Central Open Access; MDPI - Multidisciplinary Digital Publishing Institute; EZB-FREE-00999 freely available EZB journals; PubMed Central; Free Full-Text Journals in Chemistry
subjects Alloys
Annealing
Cobalt oxides
Contact angle
Electrical properties
Energy
Film thickness
Frequency ranges
Grain size
Hardness
Heat treatment
Magnetic permeability
Magnetic properties
Magnetic saturation
Mechanical properties
Oxidation
Temperature
Thin films
title The Influence of Oxidation on the Magnetic, Electrical, and Mechanical Properties of Co40Fe40Yb20 Films
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