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Enhanced optical properties of translucent YVO4 ceramic fabricated by spark-plasma-sintering (SPS) via
Optics Express
|August 13, 2025
Summary
Aligning Yttrium Vanadate (YVO4) crystal structure using magnetic fields during colloidal processing significantly enhances optical properties in spark-plasma-sintered ceramics.
Area of Science:
- Materials Science
- Ceramics Engineering
- Nanotechnology
Background:
- Translucent Yttrium Vanadate (YVO4) ceramics are crucial for optical applications.
- Enhancing optical properties requires controlling crystallographic orientation.
- Spark-plasma-sintering (SPS) is a key fabrication technique for advanced ceramics.
Purpose of the Study:
- To investigate the effect of magnetic field-assisted colloidal processing on the microstructure and optical properties of YVO4 ceramics.
- To achieve (001) orientation-aligned YVO4 green bodies.
- To improve the transmittance of YVO4 ceramics fabricated via SPS.
Main Methods:
- Preparation of a stable YVO4 nanopowder slurry with controlled dispersant concentration and pH.
- Colloidal processing of YVO4 green bodies under a strong magnetic field, aligning the slip casting direction with the field.
- Fabrication of textured YVO4 ceramics using spark-plasma-sintering (SPS) at 1300 °C.
Main Results:
- Successfully achieved (001) orientation-aligned YVO4 green bodies from a well-dispersed slurry.
- YVO4 ceramics with designed (001) texture exhibited significantly higher transmittance compared to non-textured samples.
- Colloidal processing under a strong magnetic field proved effective in controlling microstructure.
Conclusions:
- Controlling the crystallographic orientation of YVO4 through magnetic field-assisted colloidal processing is an effective strategy to enhance optical properties.
- The developed method offers a pathway to fabricate high-transmittance YVO4 ceramics for advanced optical applications.
- Microstructure control via magnetic fields is crucial for optimizing ceramic performance.
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