Influence of Post-Annealing Treatments on Third-Order Nonlinear Optical Properties in ZnO Thin Films

IF 0.9 4区 物理与天体物理 Q4 PHYSICS, CONDENSED MATTER Physics of the Solid State Pub Date : 2024-09-05 DOI:10.1134/S1063783424600754
Sanjeev Kumar, Amit Jain, N. Santakrus Singh, Manohar Singh
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Abstract

This study explores the impact of annealing temperature (TA) on the sol-gel-deposited ZnO thin‑films’ nonlinear optical characteristics on glass substrates. By examining the surface topography with Atomic Force Microscopy (AFM), samples that were annealed at 450°C were found to have the ideal surface smoothness of 9.27 nm. Utilising the second harmonic output of a Nd:YAG laser, the Z-scan technique, UV‑Vis-NIR transmission, and X-ray diffraction (XRD) were employed in the analysis of the films. The materials’ nonlinear optical (NLO) characteristics revealed that the annealing temperature had a significant impact. Notably, the maximum nonlinear optical susceptibility, χ(3), was achieved at an annealing temperature of 450°C, indicating a direct correlation between thermal processing and the enhancement of NLO performance.

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退火后处理对氧化锌薄膜三阶非线性光学特性的影响
摘要 本研究探讨了退火温度(TA)对玻璃基底上溶胶凝胶沉积氧化锌薄膜非线性光学特性的影响。通过使用原子力显微镜(AFM)检查表面形貌,发现在 450°C 下退火的样品具有 9.27 nm 的理想表面光滑度。利用 Nd:YAG 激光器的二次谐波输出、Z 扫描技术、紫外-可见-近红外透射和 X 射线衍射 (XRD) 对薄膜进行了分析。材料的非线性光学(NLO)特性表明,退火温度对其有显著影响。值得注意的是,在退火温度为 450°C 时,非线性光学感度 χ(3) 达到最大值,这表明热加工与 NLO 性能的提高之间存在直接关联。
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来源期刊
Physics of the Solid State
Physics of the Solid State 物理-物理:凝聚态物理
CiteScore
1.70
自引率
0.00%
发文量
60
审稿时长
2-4 weeks
期刊介绍: Presents the latest results from Russia’s leading researchers in condensed matter physics at the Russian Academy of Sciences and other prestigious institutions. Covers all areas of solid state physics including solid state optics, solid state acoustics, electronic and vibrational spectra, phase transitions, ferroelectricity, magnetism, and superconductivity. Also presents review papers on the most important problems in solid state physics.
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