标准解读
《GB/T 44538-2024 碳基薄膜 椭偏光谱法测定非晶态碳基薄膜的光学性能》是一项国家标准,旨在规范使用椭偏光谱技术对非晶态碳基薄膜进行光学性质测量的方法。该标准适用于各种类型的非晶态碳基薄膜材料,包括但不限于金刚石类碳膜、类石墨碳膜等。其主要目的是通过提供一种统一且可靠的测试方法来促进这些材料在科学研究与工业应用中的发展。
根据标准内容,首先定义了相关术语和符号,明确了“椭偏光谱法”、“非晶态碳基薄膜”等概念,并介绍了基本原理。椭偏光谱是一种基于光波偏振状态变化的技术,可以用来分析样品表面或薄膜层的物理特性,如折射率、消光系数以及厚度等信息。对于非晶态碳基薄膜而言,这些参数对其电学性能、机械强度及化学稳定性等方面有着重要影响。
标准详细描述了实验所需的仪器设备要求,包括光源类型、探测器灵敏度、样品台调整精度等,并给出了推荐的操作条件范围。此外,还规定了样品制备的具体步骤,强调了表面清洁度和平整性对于获得准确结果的重要性。针对数据处理部分,则提出了基于多层模型拟合算法的数据解析流程,确保从原始信号到最终结果转换过程中的科学性和准确性。
如需获取更多详尽信息,请直接参考下方经官方授权发布的权威标准文档。
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- 2024-09-29 颁布
- 2025-04-01 实施




文档简介
ICS
25.220.99
CCS
A29
中华人民共和国国家标准
GB/T44538—2024
碳基薄膜椭偏光谱法测定
非晶态碳基薄膜的光学性能
Carbonbasedfilms—Determinationofopticalpropertiesofamorphouscarbon
filmsbyspectfoscopicellipsometry
(ISO23216:2021,MOD)
2024-09-29发布2025-05-01实施
国家市场监督管理总局发布
国家标准化管理委员会
GB/T44538—2024
目次
前言
·····································································································
Ⅲ
1
范围
··································································································
1
2
规范性引用文件
······················································································
1
3
术语和定义
···························································································
1
4
试样制备
······························································································
1
5
设备
··································································································
1
5.1
卤素灯和蓝光LED灯
············································································
1
5.2
探测器
···························································································
1
5.3
与光电倍增管(PMT)/电荷耦合器件(CCD)/光电二极管阵列(PDA)连接的光谱仪
····
2
5.4
软件
······························································································
2
5.5
置物台
···························································································
2
5.6
测角仪
···························································································
2
5.7
摄像机
···························································································
2
6
试验步骤
······························································································
2
6.1
样品预处理
······················································································
2
6.2
试验准备
·························································································
2
6.3
试验条件
·························································································
2
6.4
光学模型
·························································································
2
6.5
测试过程
·························································································
3
6.6
平行试验
·························································································
3
7
试验结果分类
·························································································
3
8
试验报告
······························································································
3
附录A(规范性)
非晶碳基薄膜的光学性质分类方法
················································
4
Ⅰ
GB/T44538—2024
前言
本文件按照GB/T1.1—2020《标准化工作导则第1部分:标准化文件的结构和起草规则》的规
定起草。
本文件修改采用ISO23216:2021《碳基薄膜椭偏光谱法测定非晶态碳基薄膜的光学性能》。
本文件与ISO23216:2021相比做了下述结构调整:
—6.4和6.5对应ISO23216:2021中的6.4;
—6.6对应ISO23216:2021中的6.5。
本文件做了下列编辑性改动:
—增加了图1光学模型各层所对应类型的标注;
—增加了标题条(见5.1~5.7)。
请注意本文件的某些内容可能涉及专利。本文件的发布机构不承担识别专利的责任。
本文件由中国机械工业联合会提出。
本文件由全国金属与非金属覆盖层标准化技术委员会(SAC/TC57)归口。
本文件起草单位:中国机械总院集团武汉材料保护研究所有限公司、纳狮新材料有限公司、安徽纯
源镀膜科技有限公司、中国科学院深圳先进技术研究院、广东电网有限责任公司、广州今泰科技股份有
限公司。
本文件主要起草人:段海涛、贾丹、曹一莹、张心凤、沈学忠、高明、詹胜鹏、凃杰松、王彦峰、
王流火、杨田、陈辉、骆小双、尤锦鸿、易娟、苏东艺。
Ⅲ
GB/T44538—2024
碳基薄膜椭偏光谱法测定
非晶态碳基薄膜的光学性能
1范围
本文件描述了使用椭偏光谱法测定非晶碳基薄膜光学特性(折射率n和消光系数k)以及通过n﹘k图
谱进行不同类型非晶碳基薄膜分类的方法。
本文件适用于通过离子蒸镀、溅射、电弧沉积、等离子体辅助化学气相沉积、热丝等工艺沉积的非
晶碳基薄膜。
本文件不适用于通过金属或硅改性的非晶碳基薄膜,或在薄膜厚度上存在成分/性质梯度的非晶碳
基薄膜。
2规范性引用文件
本文件没有规范性引用文件。
3术语和定义
下列术语和定义适用于本文件。
3.1
折射率refractiveindex
n
电磁辐射在真空中的传播速度与在介质中的传播速度之比。
3.2
消光系数extinctioncoefficient
k
介质(物质)对电磁辐射的吸收量。
4试样制备
各基底上的非晶碳基薄膜均可用于试验,只要基底是光学各向同性的,并具有可用光学模型。推荐
的试验基底是镜面的硅晶片。镜面的硅晶片能作为非晶基碳膜的基底以满足不同的测试要求。样品应为
均匀的非晶碳基薄膜,薄膜厚度应为0.02μm~5μm。
应提供样品的所有相关细节,如尺寸
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