標(biāo)準(zhǔn)解讀

《GB/T 44538-2024 碳基薄膜 橢偏光譜法測(cè)定非晶態(tài)碳基薄膜的光學(xué)性能》是一項(xiàng)國(guó)家標(biāo)準(zhǔn),旨在規(guī)范使用橢偏光譜技術(shù)對(duì)非晶態(tài)碳基薄膜進(jìn)行光學(xué)性質(zhì)測(cè)量的方法。該標(biāo)準(zhǔn)適用于各種類(lèi)型的非晶態(tài)碳基薄膜材料,包括但不限于金剛石類(lèi)碳膜、類(lèi)石墨碳膜等。其主要目的是通過(guò)提供一種統(tǒng)一且可靠的測(cè)試方法來(lái)促進(jìn)這些材料在科學(xué)研究與工業(yè)應(yīng)用中的發(fā)展。

根據(jù)標(biāo)準(zhǔn)內(nèi)容,首先定義了相關(guān)術(shù)語(yǔ)和符號(hào),明確了“橢偏光譜法”、“非晶態(tài)碳基薄膜”等概念,并介紹了基本原理。橢偏光譜是一種基于光波偏振狀態(tài)變化的技術(shù),可以用來(lái)分析樣品表面或薄膜層的物理特性,如折射率、消光系數(shù)以及厚度等信息。對(duì)于非晶態(tài)碳基薄膜而言,這些參數(shù)對(duì)其電學(xué)性能、機(jī)械強(qiáng)度及化學(xué)穩(wěn)定性等方面有著重要影響。

標(biāo)準(zhǔn)詳細(xì)描述了實(shí)驗(yàn)所需的儀器設(shè)備要求,包括光源類(lèi)型、探測(cè)器靈敏度、樣品臺(tái)調(diào)整精度等,并給出了推薦的操作條件范圍。此外,還規(guī)定了樣品制備的具體步驟,強(qiáng)調(diào)了表面清潔度和平整性對(duì)于獲得準(zhǔn)確結(jié)果的重要性。針對(duì)數(shù)據(jù)處理部分,則提出了基于多層模型擬合算法的數(shù)據(jù)解析流程,確保從原始信號(hào)到最終結(jié)果轉(zhuǎn)換過(guò)程中的科學(xué)性和準(zhǔn)確性。


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GB/T 44538-2024碳基薄膜橢偏光譜法測(cè)定非晶態(tài)碳基薄膜的光學(xué)性能-免費(fèi)下載試讀頁(yè)

文檔簡(jiǎn)介

ICS

25.220.99

CCS

A29

中華人民共和國(guó)國(guó)家標(biāo)準(zhǔn)

GB/T44538—2024

碳基薄膜橢偏光譜法測(cè)定

非晶態(tài)碳基薄膜的光學(xué)性能

Carbonbasedfilms—Determinationofopticalpropertiesofamorphouscarbon

filmsbyspectfoscopicellipsometry

(ISO23216:2021,MOD)

2024-09-29發(fā)布2025-05-01實(shí)施

國(guó)家市場(chǎng)監(jiān)督管理總局發(fā)布

國(guó)家標(biāo)準(zhǔn)化管理委員會(huì)

GB/T44538—2024

目次

前言

·····································································································

1

范圍

··································································································

1

2

規(guī)范性引用文件

······················································································

1

3

術(shù)語(yǔ)和定義

···························································································

1

4

試樣制備

······························································································

1

5

設(shè)備

··································································································

1

5.1

鹵素?zé)艉退{(lán)光LED燈

············································································

1

5.2

探測(cè)器

···························································································

1

5.3

與光電倍增管(PMT)/電荷耦合器件(CCD)/光電二極管陣列(PDA)連接的光譜儀

····

2

5.4

軟件

······························································································

2

5.5

置物臺(tái)

···························································································

2

5.6

測(cè)角儀

···························································································

2

5.7

攝像機(jī)

···························································································

2

6

試驗(yàn)步驟

······························································································

2

6.1

樣品預(yù)處理

······················································································

2

6.2

試驗(yàn)準(zhǔn)備

·························································································

2

6.3

試驗(yàn)條件

·························································································

2

6.4

光學(xué)模型

·························································································

2

6.5

測(cè)試過(guò)程

·························································································

3

6.6

平行試驗(yàn)

·························································································

3

7

試驗(yàn)結(jié)果分類(lèi)

·························································································

3

8

試驗(yàn)報(bào)告

······························································································

3

附錄A(規(guī)范性)

非晶碳基薄膜的光學(xué)性質(zhì)分類(lèi)方法

················································

4

GB/T44538—2024

前言

本文件按照GB/T1.1—2020《標(biāo)準(zhǔn)化工作導(dǎo)則第1部分:標(biāo)準(zhǔn)化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)

定起草。

本文件修改采用ISO23216:2021《碳基薄膜橢偏光譜法測(cè)定非晶態(tài)碳基薄膜的光學(xué)性能》。

本文件與ISO23216:2021相比做了下述結(jié)構(gòu)調(diào)整:

—6.4和6.5對(duì)應(yīng)ISO23216:2021中的6.4;

—6.6對(duì)應(yīng)ISO23216:2021中的6.5。

本文件做了下列編輯性改動(dòng):

—增加了圖1光學(xué)模型各層所對(duì)應(yīng)類(lèi)型的標(biāo)注;

—增加了標(biāo)題條(見(jiàn)5.1~5.7)。

請(qǐng)注意本文件的某些內(nèi)容可能涉及專(zhuān)利。本文件的發(fā)布機(jī)構(gòu)不承擔(dān)識(shí)別專(zhuān)利的責(zé)任。

本文件由中國(guó)機(jī)械工業(yè)聯(lián)合會(huì)提出。

本文件由全國(guó)金屬與非金屬覆蓋層標(biāo)準(zhǔn)化技術(shù)委員會(huì)(SAC/TC57)歸口。

本文件起草單位:中國(guó)機(jī)械總院集團(tuán)武漢材料保護(hù)研究所有限公司、納獅新材料有限公司、安徽純

源鍍膜科技有限公司、中國(guó)科學(xué)院深圳先進(jìn)技術(shù)研究院、廣東電網(wǎng)有限責(zé)任公司、廣州今泰科技股份有

限公司。

本文件主要起草人:段海濤、賈丹、曹一瑩、張心鳳、沈?qū)W忠、高明、詹勝鵬、凃杰松、王彥峰、

王流火、楊田、陳輝、駱小雙、尤錦鴻、易娟、蘇東藝。

GB/T44538—2024

碳基薄膜橢偏光譜法測(cè)定

非晶態(tài)碳基薄膜的光學(xué)性能

1范圍

本文件描述了使用橢偏光譜法測(cè)定非晶碳基薄膜光學(xué)特性(折射率n和消光系數(shù)k)以及通過(guò)n?k圖

譜進(jìn)行不同類(lèi)型非晶碳基薄膜分類(lèi)的方法。

本文件適用于通過(guò)離子蒸鍍、濺射、電弧沉積、等離子體輔助化學(xué)氣相沉積、熱絲等工藝沉積的非

晶碳基薄膜。

本文件不適用于通過(guò)金屬或硅改性的非晶碳基薄膜,或在薄膜厚度上存在成分/性質(zhì)梯度的非晶碳

基薄膜。

2規(guī)范性引用文件

本文件沒(méi)有規(guī)范性引用文件。

3術(shù)語(yǔ)和定義

下列術(shù)語(yǔ)和定義適用于本文件。

3.1

折射率refractiveindex

n

電磁輻射在真空中的傳播速度與在介質(zhì)中的傳播速度之比。

3.2

消光系數(shù)extinctioncoefficient

k

介質(zhì)(物質(zhì))對(duì)電磁輻射的吸收量。

4試樣制備

各基底上的非晶碳基薄膜均可用于試驗(yàn),只要基底是光學(xué)各向同性的,并具有可用光學(xué)模型。推薦

的試驗(yàn)基底是鏡面的硅晶片。鏡面的硅晶片能作為非晶基碳膜的基底以滿(mǎn)足不同的測(cè)試要求。樣品應(yīng)為

均勻的非晶碳基薄膜,薄膜厚度應(yīng)為0.02μm~5μm。

應(yīng)提供樣品的所有相關(guān)細(xì)節(jié),如尺寸

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