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对变态稳定的四角形ZrO₂纳米晶体进行光谱研究

Maneshwar Thakur¹, Ankush Vij², Fouran Singh³

¹Department of Physics, Himachal Pradesh University, Shimla 171005, India.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy

|October 12, 2023

概括

这项研究使用固态燃烧合成了二氧化 (ZrO2),揭示了四角形相和影响发光的缺陷. 1:1的比率显示出更高的热发光强度,表明应变能量影响阶段形成.

科学领域:

材料科学材料科学材料科学
固态化学固态化学
发光的光度是非常的低.

背景情况:

二氧化 (ZrO2) 是一种多功能陶,在光学和电子领域有应用.
了解其结构和发光特性对于材料设计至关重要.
固态燃烧合成为新型材料特性提供了一条途径.

研究的目的:

研究通过固态燃烧合成的ZrO2的结构和发光特性.
为了比较固体测量 (1:1) 和燃料丰富 (1:2) 比率对ZrO2特性的影响.
分析缺陷辅助光发光和热发光反应.

主要方法:

使用酸盐和甘氨酸进行固体燃烧合成.
用X射线衍射 (XRD) 和拉曼光谱进行结构分析.
在紫外线和玛辐射后测量光发光和热发光 (TL).

主要成果:

1:1和1:2两种比率都主要形成了四角形ZrO2阶段,在1:1样本中有一小部分单临床阶段.
波段间隙被测量为4.50 eV (1:1) 和4.28 eV (1:2).
在两个样本中都观察到缺陷辅助光发光,在1:1比率的材料中,TL强度更高.

结论:

在ZrO2中四角形相形成可能受到应变能量的影响.
合成比影响带隙能量和发光特性.
热发光反应是剂量依赖的,对合成条件敏感.

关键词:

摄影发光效应是一种光照效应.四角形ZrO ((2)) 是一个四角形.热发光发光是一种热发光效应.紫外线和玛辐射辐射.

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