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首页> 外文期刊>Chemical Physics Letters >Orthorhombic structure of cadmium behenate monlayers on the water surface of a Langmuir trough detected by polarization modulationinfrared spectroscopy
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Orthorhombic structure of cadmium behenate monlayers on the water surface of a Langmuir trough detected by polarization modulationinfrared spectroscopy

机译：偏振调制红外光谱法检测朗缪尔河谷水面上山be酸镉单层的正交结构

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摘要

Polarization modulation infrared reflection absorption spectroscopy (PM-IRRAS) was applied to investigate the structure of behenic acid monolayers on the surface of aqeous Cd~(2+) sub-phase in a Langmuir trough at the room temperature of 293K.The PM-IRRAS spectra were recorded at representative points throughout 0.401 approx 0.100 nm~2 and the surface-pressure area isotherms were recorded during compression to these points.It is found that compressed cadmium bhenate (CdB) monolayers possess an orthorhombic unit cell.On the other hand,single monolayers of CdB deposited on CaF_2 substrates at 20 mN m~(-1) possessed a tricilinic parallel packing.
机译：应用偏振调制红外反射吸收光谱法（PM-IRRAS）研究了室温293K下朗缪尔槽中Cd〜（2+）水溶液亚相中山hen酸单层的结构。在整个0.401大约0.100 nm〜2处的代表性点处记录了光谱，并在压缩到这些点时记录了表面压力面积等温线，发现压缩的苯甲酸镉（CdB）单层具有正交晶胞。在20 mN m〜（-1）的CaF_2衬底上沉积的CdB单分子膜具有三方平行堆积。

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