Differentiation of crystalline and amorphous phases in photothermorefractive glass by secondary ion mass spectrometry
Differentiation of crystalline and amorphous phases in photothermorefractive glass by secondary ion mass spectrometry
复制标题
DOI：
10.1116/1.4943030
复制
发表时间：
2016-03
期刊：
影响因子：
--
通讯作者：
M. Klimov;L. Glebov;L. Glebova
中科院分区：
文献类型：
--
作者：
M. Klimov;L. Glebov;L. Glebova
光热折射玻璃(PTRG)是一种在同一基质中结合了非晶态和晶态组分特性的复合材料。PTRG是制作全息光栅的主要光敏材料之一，是一种新型的激光光学材料。尽管PTRG的应用已经相当成熟，但诱导光敏的确切机制仍在深入研究中。本文介绍了二次离子质谱学在这个问题上的研究，通过识别和优化二次离子团簇的检测，这些二次离子团簇不仅提供了关于PTRG组成的元素信息，还提供了结构信息。通过对(NaF)Na+、Cs(NaF)2+和(NaF)2Na+二次离子团簇的检测，推测NaF的晶相可能与PTRG的光敏性有关，并与非晶态基质中的Na和F结合在一起。讨论了次级团簇的选择及其对NaF结晶度的敏感性。并给出了晶体NaF在Va-PtRG样品上的深度分布。
Photothermorefractive glass (PTRG) is a complex material combining properties of amorphous and crystalline components in the same matrix. PTRG is one of the leading photosensitive materials in holographic gratings production and is a new optical material for lasers. Even though PTRG application is quite mature, the precise mechanism for induced photosensitivity is still under intense investigation. This paper presents secondary ion mass spectrometry investigation in this question by identifying and optimizing detection of secondary ion clusters that provide not only elemental but also structural information on the composition of the PTRG. The crystalline phase of NaF is presumably responsible for the photosensitivity of PTRG and was differentiated from Na and F bound in amorphous matrix by detection of (NaF)Na+, Cs(NaF)2+, and (NaF)2Na+ secondary ion clusters. Choices of secondary clusters and their sensitivity to NaF crystallinity are discussed. The depth profiles of crystalline NaF on PTRG samples of va...