Characterization of NiCuO x N y Coatings Obtained via RF Sputtering: Structure, Morphology, and Optical Properties.
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| Title: | Characterization of NiCuO x N y Coatings Obtained via RF Sputtering: Structure, Morphology, and Optical Properties. |
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| Authors: | Velásquez-Méndez, Karen Lizzette1 (AUTHOR) klvelasquezm@unal.edu.co, Alfonso, José Edgar2 (AUTHOR) jealfonsoo@unal.edu.co, Bethencourt, Manuel3 (AUTHOR) gustavo.cifredo@uca.es, Cifredo, Gustavo3 (AUTHOR), Cubillos, Gloria Ivonne1 (AUTHOR) gcubillos@unal.edu.co |
| Source: | Materials (1996-1944). Jul2024, Vol. 17 Issue 13, p3264. 17p. |
| Subjects: | Radiofrequency sputtering, Rare earth metals, Optical properties, Thin films, X-ray photoelectron spectroscopy, Nitrogen, Atmospheric nitrogen |
| Abstract: | The rapid advancement of technology necessitates the continual development of versatile materials that can adapt to new electronic devices. Rare earth elements, which are scarce in nature, possess the set of properties required for use as semiconductors. Consequently, this research aims to achieve similar properties using materials that are abundant in nature and have a low commercial cost. To this end, nickel and copper were utilized to synthesize thin films of nickel–copper binary oxynitride via reactive RF sputtering. The influence of nitrogen flow on the structure, morphology, chemical composition, and optical properties of the films was investigated using various characterization techniques, including X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and X-ray photoelectron spectroscopy (XPS), as well as transmittance and absorbance measurements. The crystalline structure of the films shows that they can have preferential growth or be polycrystalline according to the nitrogen flow used during deposition and that both the oxides and oxynitrides of metals are formed. We identified unknown phases specific to this material, termed "NiCuOxNy". The morphology revealed that the grain size of the coatings was dependent on the nitrogen flow rate, with grain size decreasing as the nitrogen flow rate increased. Notably, the coatings demonstrated transparency for wavelengths exceeding 1000 nm, with an optical band gap ranging from 1.21 to 1.86 eV. [ABSTRACT FROM AUTHOR] |
| Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.) | |
| Database: | Engineering Source |
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| Header | DbId: egs DbLabel: Engineering Source An: 178412053 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Characterization of NiCuO x N y Coatings Obtained via RF Sputtering: Structure, Morphology, and Optical Properties. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Velásquez-Méndez%2C+Karen+Lizzette%22">Velásquez-Méndez, Karen Lizzette</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> klvelasquezm@unal.edu.co</i><br /><searchLink fieldCode="AR" term="%22Alfonso%2C+José+Edgar%22">Alfonso, José Edgar</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> jealfonsoo@unal.edu.co</i><br /><searchLink fieldCode="AR" term="%22Bethencourt%2C+Manuel%22">Bethencourt, Manuel</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> gustavo.cifredo@uca.es</i><br /><searchLink fieldCode="AR" term="%22Cifredo%2C+Gustavo%22">Cifredo, Gustavo</searchLink><relatesTo>3</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cubillos%2C+Gloria+Ivonne%22">Cubillos, Gloria Ivonne</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> gcubillos@unal.edu.co</i> – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Materials+%281996-1944%29%22">Materials (1996-1944)</searchLink>. Jul2024, Vol. 17 Issue 13, p3264. 17p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Radiofrequency+sputtering%22">Radiofrequency sputtering</searchLink><br /><searchLink fieldCode="DE" term="%22Rare+earth+metals%22">Rare earth metals</searchLink><br /><searchLink fieldCode="DE" term="%22Optical+properties%22">Optical properties</searchLink><br /><searchLink fieldCode="DE" term="%22Thin+films%22">Thin films</searchLink><br /><searchLink fieldCode="DE" term="%22X-ray+photoelectron+spectroscopy%22">X-ray photoelectron spectroscopy</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrogen%22">Nitrogen</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+nitrogen%22">Atmospheric nitrogen</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: The rapid advancement of technology necessitates the continual development of versatile materials that can adapt to new electronic devices. Rare earth elements, which are scarce in nature, possess the set of properties required for use as semiconductors. Consequently, this research aims to achieve similar properties using materials that are abundant in nature and have a low commercial cost. To this end, nickel and copper were utilized to synthesize thin films of nickel–copper binary oxynitride via reactive RF sputtering. The influence of nitrogen flow on the structure, morphology, chemical composition, and optical properties of the films was investigated using various characterization techniques, including X-ray diffraction (XRD), scanning electron microscopy (SEM), atomic force microscopy (AFM), and X-ray photoelectron spectroscopy (XPS), as well as transmittance and absorbance measurements. The crystalline structure of the films shows that they can have preferential growth or be polycrystalline according to the nitrogen flow used during deposition and that both the oxides and oxynitrides of metals are formed. We identified unknown phases specific to this material, termed "NiCuOxNy". The morphology revealed that the grain size of the coatings was dependent on the nitrogen flow rate, with grain size decreasing as the nitrogen flow rate increased. Notably, the coatings demonstrated transparency for wavelengths exceeding 1000 nm, with an optical band gap ranging from 1.21 to 1.86 eV. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Materials (1996-1944) is the property of MDPI and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.) |
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| RecordInfo | BibRecord: BibEntity: Identifiers: – Type: doi Value: 10.3390/ma17133264 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 17 StartPage: 3264 Subjects: – SubjectFull: Radiofrequency sputtering Type: general – SubjectFull: Rare earth metals Type: general – SubjectFull: Optical properties Type: general – SubjectFull: Thin films Type: general – SubjectFull: X-ray photoelectron spectroscopy Type: general – SubjectFull: Nitrogen Type: general – SubjectFull: Atmospheric nitrogen Type: general Titles: – TitleFull: Characterization of NiCuO x N y Coatings Obtained via RF Sputtering: Structure, Morphology, and Optical Properties. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Velásquez-Méndez, Karen Lizzette – PersonEntity: Name: NameFull: Alfonso, José Edgar – PersonEntity: Name: NameFull: Bethencourt, Manuel – PersonEntity: Name: NameFull: Cifredo, Gustavo – PersonEntity: Name: NameFull: Cubillos, Gloria Ivonne IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 07 Text: Jul2024 Type: published Y: 2024 Identifiers: – Type: issn-print Value: 19961944 Numbering: – Type: volume Value: 17 – Type: issue Value: 13 Titles: – TitleFull: Materials (1996-1944) Type: main |
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