A5020062732- Ferroelectric and Piezoelectric Materials
- Acoustic Wave Resonator Technologies
- Microwave Dielectric Ceramics Synthesis
- Luminescence Properties of Advanced Materials
- Multiferroics and related materials
- Solid State Laser Technologies
- Glass properties and applications
- Dielectric materials and actuators
- Perovskite Materials and Applications
- Thermal Expansion and Ionic Conductivity
- Gas Sensing Nanomaterials and Sensors
- Photonic Crystal and Fiber Optics
- Advanced Chemical Sensor Technologies
- Advanced Condensed Matter Physics
- Metabolomics and Mass Spectrometry Studies
- Photonic and Optical Devices
- Photorefractive and Nonlinear Optics
- Underwater Acoustics Research
- Aeroelasticity and Vibration Control
- Surface Modification and Superhydrophobicity
- Advanced Photocatalysis Techniques
- Magnetic and transport properties of perovskites and related materials
- Advanced Fiber Laser Technologies
- Mass Spectrometry Techniques and Applications
- Transition Metal Oxide Nanomaterials
Southwestern Institute of Physics
2025
Jiangsu Normal University
2022-2024
Shandong University
1997-2023
State Key Laboratory of Crystal Materials
2018-2023
Achieving high color rendering index (CRI) and luminous stability in single-structured Ce:YAG phosphor ceramics (PCs) is crucial for high-power white light-emitting diodes or laser (LEDs/LDs). However, cyan valley insufficient red component of the emission spectra significantly limit their real applications. In this work, a series Ce,Mn:Y<sub>3</sub>(Al,Sc)<sub>2</sub>Al<sub>3</sub>O<sub>12</sub> (Ce,Mn:YSAG) PCs were fabricated by vacuum sintering, an efficient spectral regulation was...
Lu
“Heavy atom substitution” was utilized to improve the thermal behaviors of Ce:LuAG transparent ceramics via Sr 2+ /Si 4+ doping, exhibiting high luminous efficiency radiation (261.98 lm W −1 ) and luminance saturation threshold (∼65 mm −2 ).
Demand for replacing the current lead-based piezoelectric materials with some lead-free ones becomes increasingly strong from environmental concerns. In this article, we report performance, phase transitions, and domain configurations of highly dense 0.96(K0.48Na0.52)(Nb0.96Sb0.04)O3−0.04(Bi0.50Na0.50)ZrO3 ceramics prepared by two step-sintering through solid-state reaction. This material has outstanding properties coefficient d33 = 512 pC/N electromechanical coupling kp ≈ 0.56 at room...
High power and high brightness laser lighting puts forward new requirements for phosphor converters such as luminous efficiency, thermal conductivity saturation threshold due to the severe effect. The structure design of is proposed what we believe be a novel strategy less heat production more conduction. In this work, rod-shaped YAG:Ce ceramics (PCs) disc-shaped PCs control group were fabricated by gel casting vacuum sintering, comparatively study luminescence performance LD lighting, on...
RInO3 (R: rare-earth element) has drawn unprecedented research attention due to its geometric ferroelectricity and spin liquid state. However, the structure–property relationship needs further investigation based on well-developed single crystals. A EuInO3 crystal was obtained for first time by laser floating zone method. The presence of revealed polarization–electric field hysteresis loops bulk crystal. Moreover, interesting topological vortex domains were vertical piezoresponse force...
The CO sensing performances and mechanism of PdO/WO3-based sensors were investigated by experiments density functional theory calculations. performance can be significantly enhanced decorating WO3 with PdO, which is attributed to the catalyst (chemical sensitization) P–N junction (electronic effect). On one hand, PdO an excellent used promote adsorption oxygen species. other constructed structure between facilitate migration carriers suppress recombination electrons holes, more Furthermore,...
Calcium doped strontium barium niobate is a tungsten-bronze ferroelectric crystal with tetragonal unit cell. Thermophysical properties including specific heat, thermal expansion, and diffusion were performed on single (Ca0.28Ba0.75)0.25(Sr0.60Ba0.40)0.75Nb2O6 (CSBN25) to determine behaviors along the c axes. Negative expansion was observed axes below Curie temperature. Isotropic behavior (thermal conductivity) around The abnormal are considered as arising due geometry of dope-affected crystal.
Domain structure often greatly affects piezoelectric performance of a ferroelectric ceramic. Accordingly, convenient method that can well characterize the domain at various temperatures is highly desired for understanding underlying mechanism. An improved acid-etching technique was recently developed such purpose. poled 0.96(K0.48Na0.52)(Nb0.96Sb0.04)O3-0.04(Bi0.50Na0.50)ZrO3 ceramics with large coefficient d33 535 pC/N systematically investigated three typical temperatures. It found...