Investigation of optical pumping on the dielectric properties of 0.3SrTiO3-0.7NdAlO3 ceramics in THz range
Source abstract
Abstract
Abstract The dielectric properties of 0.3SrTiO3-0.7NdAlO3 ceramics under external optical fields were investigated by terahertz time-domain spectroscopy at room temperature. It could be found that the dielectric properties could be modulated by external optical pump and the tunability of permittivity was reached up to 12% at 0.6 THz. From the experimental results, it could be also found that the change of refractive index has a linear relationship on scale with the applied external light power. And these results was attributed to the an built-in electric field caused by the excited free carriers in the ceramics.
Source: openaire · Quality: candidate unverified · Source record ↗
Research context
OpenAlex topics: Ferroelectric and Piezoelectric Materials · Photorefractive and Nonlinear Optics · Optical and Acousto-Optic Technologies
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References (24)
Show source-provided references
1. Applications of modern ferroelectrics10.1126/science.1129564 ↗
2. Thin-film ferroelectric microwave devices10.1088/0953-2048/11/11/021 ↗
3. Ferroelectric materials for microwave tunable application10.1023/B:JECR.0000015661.81386.e6 ↗
4. Active terahertz metamaterial devices10.1038/nature05343 ↗
5. Fast one-dimensional photonic crystal modulators for the terahertz range10.1364/OE.15.008898 ↗
6. Han · Appl. Phys. Lett. · 2007 · 90
7. Xin Ding ,and Jianquan Yao Optical tuning of dielectric properties of Ba0.6Sr0.4TiO3-La(Mg0.5Ti0.5)O3 ceramics in the terahertz range10.1063/1.4829479 ↗
8. Katayama · Appl. Phys. Lett. · 2008 · 93 · 13290310.1063/1.2991442 ↗
9. Misra · Appl. Phys. Lett. · 2005 · 87 · 18290910.1063/1.2128039 ↗
10. Kadlec · Phys. Rev. B · 2009 · 80 · 17411610.1103/PhysRevB.80.174116 ↗
11. Variation of dielectric constant with voltage in ferroelectrics and its application to parametric devices10.1063/1.1702558 ↗
12. Voltage-controlled ferroelectric lens phased arrays10.1109/8.768780 ↗
13. Novel ferroelectric materials for phased array antennas10.1109/58.655193 ↗
14. Breakthrough advances in low loss, tunable dielectric materials10.1007/s100190050098 ↗
15. Formation of second-phase layers in SrTiO3 boundary layer capacitors
16. Systematic study of terahertz response of SrTiO3 based heterostructures: influence of strain, temperature, and electric field10.1103/PhysRevB.89.214116 ↗
17. Formation of second-phase layers in SrTiO3 boundary layer capacitors
18. Microwave dielectric properties and applications of rare-earth aluminates10.1557/JMR.1999.0018 ↗
19. Johnson · J. Appl. Phys. · 1962 · 33 · 282610.1063/1.1702558 ↗
20. Optically induced change of refractive indices in LiNbO3 and LiTaO310.1063/1.1658195 ↗
21. Influence of processing conditions on the electrical properties of CaCu3Ti4O12 Ceramics10.1111/j.1551-2916.2006.01184.x ↗
22. Study of electron states of solids by techniques of electron spectroscopy10.1016/0022-4596(82)90288-2 ↗
23. Optical tuning of dielectric properties of Ba0.6Sr0.4TiO3-La(Mg0.5Ti0.5)O3 ceramics in the terahertz range10.1063/1.4829479 ↗
24. Non-volatile holographic storage in doubly doped lithium niobate crystals10.1038/31429 ↗