Data · dataset · 2026
Refractive Index Matching and Optical Performance Enhancement of Y2O3-MnMgO Nanocomposite Ceramics via Mn Solid Solution Design
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In this work, for the first time, Y2O3-MnxMg1-xO nanocomposite ceramics with tailored refractive-index matching were designed and fabricated to improve the optical performance of Y2O3-MgO composites in the visible-infrared region.
Description
Based on effective medium approximation (EMA) models, the optimal MnO concentrations for refractive-index matching with Y2O3 were predicted, and three representative compositions (x=0.34, 0.38, and 0.43) were selected for experimental verification.
MnxMg1-xO solid-solution powders were successfully synthesized by the sol-gel method, and complete Mn2+ incorporation into the MgO lattice was confirmed by XRD refinement and XPS analysis. The resulting Y2O3-MnxMg1-xO nanocomposite ceramics exhibited a dense and homogeneous microstructure and consisted exclusively of the Y2O3 and MnxMg1-xO phases, with no detectable impurity or additional crystalline phases. With increasing Mn doping, lattice constants, theoretical density, refractive-index, and hardness gradually increased due to lattice distortion and solid-solution strengthening.
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Among all compositions, Y2O3-Mn0.38Mg0.62O showed the most homogeneous grain-size distribution and the best optical performance, achieving nearly 80% transmittance in the 3-5 μm mid-infrared range. In addition, Mn incorporation significantly broadened the near-infrared cutoff edge from 1750 nm in undoped Y2O3-MgO ceramics to approximately 1000 nm, demonstrating that refractive-index matching through Mn solid solution is an effective strategy for enhancing near-infrared transparency in Y2O3-MgO nanocomposite ceramics.
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Where it is published
- DOI doi.org/10.57760/sciencedb.010p0 ↗
DOI / persistent id · from scidb cn
Catalogue records · 1
- OAI-PMH record scidb.cn/oai?verb=GetRecord&metadataPrefix=oai_dc&identifier=10.57760%2… ↗
metadata API · from scidb cn
Topics
- From keywords
- Earth & Environmental Science · Engineering · Humanities · Life Sciences · Social Science
Provenance · 1 source records, 9 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| ScienceDB | 10.57760/sciencedb.010p0 | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| concepts[field].local:field:earth-environmental | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:engineering | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:humanities | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:life-sciences | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| concepts[field].local:field:social-science | mapping · scidb cn | connector:scidb_cn@1.0.0 | |
| description | source · scidb cn | connector:scidb_cn@1.0.0 | /metadata/dc/description |
| license_text | source · scidb cn | connector:scidb_cn@1.0.0 | |
| publication_date | source · scidb cn | connector:scidb_cn@1.0.0 | |
| title | source · scidb cn | connector:scidb_cn@1.0.0 | /metadata/dc/title |