Structural Defects and Photoluminescence in Zinc-Doped Lithium Niobate Crystals.
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| Title: | Structural Defects and Photoluminescence in Zinc-Doped Lithium Niobate Crystals. |
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| Authors: | Sidorov, N. V.1 (AUTHOR), Teplyakova, N. A.1 (AUTHOR) n.tepliakova@ksc.ru, Smirnov, M. V.1 (AUTHOR), Palatnikov, M. N.1 (AUTHOR) |
| Source: | Inorganic Materials. Oct2021, Vol. 57 Issue 10, p1028-1034. 7p. |
| Subjects: | Photorefractive effect, Photoluminescence, Band gaps, Crystals, Lithium niobate, Zinc oxide |
| Abstract: | We demonstrate that increasing the zinc concentration in Zn-doped lithium niobate crystals to their first concentration threshold (~3.0 mol % ZnO) leads to a decrease in photovoltaic field, an increase in diffusion field, and a decrease in the luminescence intensity of NbLi emission centers. As the zinc concentration approaches the second concentration threshold (~6.8 mol % ZnO), the photovoltaic field increases, which is accompanied by a decrease in diffusion field and band gap. In addition, the integrated luminescence intensity drops as a consequence of the reduction in the concentration of defect centers in the form of NbLi–NbNb bipolaron pairs. At the same time, the emission intensity of NbLi small polarons increases and the photorefractive effect decreases markedly. [ABSTRACT FROM AUTHOR] |
| Copyright of Inorganic Materials is the property of Springer Nature 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: 153242700 AccessLevel: 6 PubType: Academic Journal PubTypeId: academicJournal PreciseRelevancyScore: 0 |
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| Items | – Name: Title Label: Title Group: Ti Data: Structural Defects and Photoluminescence in Zinc-Doped Lithium Niobate Crystals. – Name: Author Label: Authors Group: Au Data: <searchLink fieldCode="AR" term="%22Sidorov%2C+N%2E+V%2E%22">Sidorov, N. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Teplyakova%2C+N%2E+A%2E%22">Teplyakova, N. A.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> n.tepliakova@ksc.ru</i><br /><searchLink fieldCode="AR" term="%22Smirnov%2C+M%2E+V%2E%22">Smirnov, M. V.</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Palatnikov%2C+M%2E+N%2E%22">Palatnikov, M. N.</searchLink><relatesTo>1</relatesTo> (AUTHOR) – Name: TitleSource Label: Source Group: Src Data: <searchLink fieldCode="JN" term="%22Inorganic+Materials%22">Inorganic Materials</searchLink>. Oct2021, Vol. 57 Issue 10, p1028-1034. 7p. – Name: Subject Label: Subjects Group: Su Data: <searchLink fieldCode="DE" term="%22Photorefractive+effect%22">Photorefractive effect</searchLink><br /><searchLink fieldCode="DE" term="%22Photoluminescence%22">Photoluminescence</searchLink><br /><searchLink fieldCode="DE" term="%22Band+gaps%22">Band gaps</searchLink><br /><searchLink fieldCode="DE" term="%22Crystals%22">Crystals</searchLink><br /><searchLink fieldCode="DE" term="%22Lithium+niobate%22">Lithium niobate</searchLink><br /><searchLink fieldCode="DE" term="%22Zinc+oxide%22">Zinc oxide</searchLink> – Name: Abstract Label: Abstract Group: Ab Data: We demonstrate that increasing the zinc concentration in Zn-doped lithium niobate crystals to their first concentration threshold (~3.0 mol % ZnO) leads to a decrease in photovoltaic field, an increase in diffusion field, and a decrease in the luminescence intensity of NbLi emission centers. As the zinc concentration approaches the second concentration threshold (~6.8 mol % ZnO), the photovoltaic field increases, which is accompanied by a decrease in diffusion field and band gap. In addition, the integrated luminescence intensity drops as a consequence of the reduction in the concentration of defect centers in the form of NbLi–NbNb bipolaron pairs. At the same time, the emission intensity of NbLi small polarons increases and the photorefractive effect decreases markedly. [ABSTRACT FROM AUTHOR] – Name: AbstractSuppliedCopyright Label: Group: Ab Data: <i>Copyright of Inorganic Materials is the property of Springer Nature 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: 10.1134/S0020168521100149 Languages: – Code: eng Text: English PhysicalDescription: Pagination: PageCount: 7 StartPage: 1028 Subjects: – SubjectFull: Photorefractive effect Type: general – SubjectFull: Photoluminescence Type: general – SubjectFull: Band gaps Type: general – SubjectFull: Crystals Type: general – SubjectFull: Lithium niobate Type: general – SubjectFull: Zinc oxide Type: general Titles: – TitleFull: Structural Defects and Photoluminescence in Zinc-Doped Lithium Niobate Crystals. Type: main BibRelationships: HasContributorRelationships: – PersonEntity: Name: NameFull: Sidorov, N. V. – PersonEntity: Name: NameFull: Teplyakova, N. A. – PersonEntity: Name: NameFull: Smirnov, M. V. – PersonEntity: Name: NameFull: Palatnikov, M. N. IsPartOfRelationships: – BibEntity: Dates: – D: 01 M: 10 Text: Oct2021 Type: published Y: 2021 Identifiers: – Type: issn-print Value: 00201685 Numbering: – Type: volume Value: 57 – Type: issue Value: 10 Titles: – TitleFull: Inorganic Materials Type: main |
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