JP2020085813A - 赤外スペクトルの測定装置および測定方法 - Google Patents
赤外スペクトルの測定装置および測定方法 Download PDFInfo
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Abstract
Description
ATR法を用いた測定装置として、パーキンエルマー社製のSpectrum100およびSpecac社製Goldengateを用意した。赤外線X、及び、ATR結晶体2は、該測定装置の仕様に準じている。試料1は、市販の流動パラフィンを、試料保持体10の上に厚さ1μmで、約1mm四方の略正方形状になるよう塗布した。試料保持体10は、汎用の半導体用シリコンウェーハから5cm四方で切り出した、厚さ625μmの四角片とした。
試料保持体10の比抵抗を、実施例1は15mΩ・cm、実施例2は30mΩ・cm、そして、実施例3は10mΩ・cmとした。
試料保持体10の比抵抗を、比較例1は1.5kΩ・cm、比較例2は5mΩ・cm、そして、比較例3は40mΩ・cmとした。
測定で得られたそれぞれの赤外線Xの赤外スペクトルを、横軸を波数(cm-1)、縦軸を吸光度(無次元)のグラフにして、波数が4000cm-1から1000cm-1の範囲における、赤外線スペクトルの変動幅の比較及び特異なピークの有無で、試料1の測定精度(試料1のみの測定がなされているか否か)を比較した。変動幅は、上記波数の範囲内で吸光度の最大値と最小値の差とした。
2 ATR結晶体
10 試料保持体
11 試料保持体上部
12 試料保持体下部
X 赤外光
d 潜り込み深さ
Claims (2)
- 測定対象となる試料と、前記試料と接して配置される試料保持体と、前記試料と接して前記試料保持体と対向するように配置されるATR結晶体と、を少なくとも備え、前記試料保持体が比抵抗10mΩ・cm以上30mΩ・cm以下のシリコン結晶体からなることを特徴とする全反射測定(ATR)法を用いた赤外スペクトルの測定装置。
- 請求項1記載の測定装置を用いた赤外スペクトルの測定方法。
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10154734A (ja) * | 1996-11-22 | 1998-06-09 | Sumitomo Sitix Corp | 半導体結晶の評価方法 |
JP2005030973A (ja) * | 2003-07-09 | 2005-02-03 | Toyota Central Res & Dev Lab Inc | 赤外スペクトル測定用結晶体 |
JP2009218458A (ja) * | 2008-03-12 | 2009-09-24 | Covalent Materials Corp | Si基板上の3C−SiC層のフォノン波数の測定方法 |
JP2011501183A (ja) * | 2007-10-29 | 2011-01-06 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 漏れ全反射バイオセンサカートリッジ |
JP2013152192A (ja) * | 2012-01-26 | 2013-08-08 | Tokyo Univ Of Science | 有機化合物分析装置及び有機化合物分析方法 |
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2018
- 2018-11-30 JP JP2018224532A patent/JP7173845B2/ja active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH10154734A (ja) * | 1996-11-22 | 1998-06-09 | Sumitomo Sitix Corp | 半導体結晶の評価方法 |
JP2005030973A (ja) * | 2003-07-09 | 2005-02-03 | Toyota Central Res & Dev Lab Inc | 赤外スペクトル測定用結晶体 |
JP2011501183A (ja) * | 2007-10-29 | 2011-01-06 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 漏れ全反射バイオセンサカートリッジ |
JP2009218458A (ja) * | 2008-03-12 | 2009-09-24 | Covalent Materials Corp | Si基板上の3C−SiC層のフォノン波数の測定方法 |
JP2013152192A (ja) * | 2012-01-26 | 2013-08-08 | Tokyo Univ Of Science | 有機化合物分析装置及び有機化合物分析方法 |
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