通过化学元素替代设计的两个酸紫外线NLO晶体
Zelong Liu1, Huijian Zhao1, Longyun Xu2
1State Key Laboratory of Crystal Materials, Tianjin Key Laboratory of Functional Crystal Materials, Institute of Functional Crystal, Tianjin University of Technology, Tianjin 300384, China. cgli@email.tjut.edu.cn.
Chemical communications (Cambridge, England)
|February 11, 2026
概括
两种新的稀土酸盐晶体RNSSBO和NRSSBO被合成用于UV NLO应用. RNSSBO显示出出色的紫外线切断,宽带间隙和热稳定性.
科学领域:
- 无机化学 无机化学
- 材料科学 材料科学 材料科学
- 固态化学 固态化学
背景情况:
- 稀土酸盐是非线性光学 (NLO) 的有希望的材料.
- 开发具有宽带间隙和高稳定性的新型UV NLO材料至关重要.
- 理性元素替代是设计新型功能材料的关键策略.
研究的目的:
- 发现和描述新的稀土酸紫外线NLO晶体.
- 研究Rb_{4.1}$Na$_{2.9}$SrSc_{2}$(B$_{5}$O$_{10}$) $_{3}$ (RNSSBO) 和Na$_{4}$Rb$_{3}$Sr$_{0.8}$Sc$_{2.2}$(B$_{5}$O$_{10}$) $_{3}$ (NRSSBO) 的结构和光学特性.
- 评估它们在非线性光学中的应用潜力.
主要方法:
- 合理的元素替代被用于晶体设计.
- 目标化合物的合成和结构特征.
- 光学属性测量,包括紫外线切断和带隙测定.
- 测量第二波代 (SHG) 测量.
主要成果:
- 两种新的稀土酸盐化合物RNSSBO和NRSSBO被成功识别.
- RNSSBO在192纳米处呈现UV切割边缘,宽带间隙为5.49 eV.
- RNSSBO表现出高热稳定性和与KDP相比的第二波生成 (SHG) 性能.
结论:
- RNSSBO和NRSSBO代表了稀土酸UVNLO材料家族的新增.
- RNSSBO具有出色的光学和热性能,使其成为UV NLO设备的有希望的候选人.
- 该研究强调了合理元素替代在发现先进的功能材料方面的有效性.
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