Characterization of Adsorption Properties of H_2O on Si(001) and Si(111) by Ellipsometry and ab initio Molecular Orbital Calculations
スポンサーリンク
概要
- 論文の詳細を見る
The ellipsometry was applied to estimate the thicknesses of the adsorption layer of water on the surfaces of single crystals of silicon, Si(001) and Si(111) at a constant temperature of 20°C. Water molecules adsorb more strongly on Si(111) than on Si(001) in the monolayer regime, whereas the opposit is the case for the bilayer regime. The water adsorbed on Si(111) in the submonolayer regime does not desorb even when the vapor pressure of water is lowered down to 0.1 Pa, resulting in a strong hysteresis behavior. In contrast, water desorbs readily from Si(001) when the water vapor pressure is lowered. The ab initio molecular orbital (MO) calculations with cluster models of the surfaces Si(111) and Si(001) were carried out to elucidate the characteristics of the adsorption of water observed by the ellipsometry. The calculations were executed for the physical adsorption and dissociative adsorption of water on Si(111) and Si(001) in the monolayer regime, and the physical adsorption of water on the dissociative-adsorbed sites in the bilayer regime. The results from the ab initio MO calculations were qualitatively consistent with the experimental ones.
- 社団法人 化学工学会の論文
著者
-
SANO NORIAKI
Department of Chemical Engineering, Himeji Institute of Technology
-
SHIBATA Tomohiro
Department of Applied Physics,Faculty of Engineering,Nagoya University
-
Sano Noriaki
Department Of Mechanical And System Engineering Himeji Institute Of Technology University Of Hyogo
-
Sano Noriaki
Department Of Chemical Engineering Faculty Of Engineering Himeji Institute Of Technology
-
Asano Tsuyoshi
Department Of Chemical Engineering Himeji Institute Of Technology
-
Kanki Tatsuo
Department Of Chemical Engineering Himeji Institute Of Technology
-
Kanki Tatsuo
Department Of Chemical Engineering Faculty Of Engineering Himeji Institute Of Technology
-
Sano N
Department Of Mechanical And System Engineering Himeji Institute Of Technology University Of Hyogo
-
Shibata T
Department Of Chemical Engineering Himeji Institute Of Technology
-
Shibata Tomohiro
Department Of Applied Physics Faculty Of Engineering Nagoya University:ibaraki Electrical Communicat
-
Kanki Tatsuo
Department of Chemical Engineering , Faculty of Engineering,HimejiInstitute of Technology
関連論文
- Influence of Electric Field Strength in a High-Temperature Corona Discharge Reactor on Removal of Toluene from Nitrogen and Air
- Effect of Structure of Corona-Discharge Reactor on Removal of Dilute Gaseous Pollutants Using Selective Electron Attachment
- REMOVAL OF IODINE AND METHYL IODIDE IN GAS BY WETTED-WALL REACTOR BASED ON SELECTIVE ELECTRON ATTACHMENT
- Removal of Trimethylamine in Gas by Corona-Discharge Reactor
- ESR Study of SO^-_4 in LiKSO_4 at Low Temperatures
- Childhood Ischemic Stroke Caused by Fibromuscular Dysplasia of the Intracranial Artery : Case Report
- Neurocutaneous Melanosis Associated With Malignant Leptomeningeal Melanoma in an Adult : Clinical Significance of 5-S-Cysteinyldopa in the Cerebrospinal Fluid : Case Report
- Decomposition of Phenol in Water by Ozone Oxidation with Metal-Supported Carbongel
- Simultaneous Gas-Water Purification by a Wetted-Wall Corona Discharge Reactor : Decomposition of Aqueous Phenol and Gaseous Acetaldehyde
- Removal of Toluene from Air by Corona Discharge Reactor at High Temperature: Influence of Electric Field Strength (Proceedings of the Asia-Pacific Conference on Sustainable Energy and Environmental Technologies)
- Production of Carbon Nanoparticles Using Pulsed Arc Discharge Triggered by Dielectric Breakdown in Water
- Effect of Reaction Temperature and Sonication Pretreatment in the Hydrothermal Process on the Morphology of Titanate Nano-Structure
- Formation of Crystal Film at Interface in Process of Extraction of Rare Earth Metals by D2EHPA
- Gas sensor using single-wall carbon nanohorns
- Characterization of Adsorption Properties of H_2O on Si(001) and Si(111) by Ellipsometry and ab initio Molecular Orbital Calculations
- KINETIC APPROACH TO MICROBIAL GROWTH AND SUBSTRATE CONSUMPTION PROCESSES IN WASTEWATER TREATMENT BY PUF FLUIDIZED BED BIOREACTOR
- Decomposition of Aqueous Phenol by Direct Contact of Gas Corona Discharge with Water : The Influence of Current Density and Applied Voltage
- Plane Rarefied Gas Flow by Thermal Stress
- Degradation of Phenol in Aqueous Solution by TiO_2 Photocatalyst Coated Rotating-Drum Reactor
- A Macroscopic Theory on the Rarefied Gas Transition Flow.
- Urodynamic effects of α1-blocker tamsulosin on voiding dysfunction in patients with neurogenic bladder
- Change in Anterior Chamber Depth Following Combined Pars Plana Vitrectomy, Phacoemulsification, and Intraocular Lens Implantation Using Different Types of Intraocular Lenses
- Electrical Resistance Variation of MWCNT/PMMA Composite for Gaseous Toluene Detection
- Effect of Crystallization on the Stochastic Pit Generation Process of Fe-Cr-Si-B Amorphous Alloy
- High-Temperature Removal of Acetaldehyde in a Corona Discharge Reactor
- SYNERGETIC EFFECT IN DECOMPOSITION OF ORGANIC COMPOUNDS BY CORONA DISCHARGE AND UV
- Production of Carbon Nanoparticles Using Pulsed Arc Discharge Triggered by Dielectric Breakdown in Water
- WATER PURIFICATION BY FLUIDIZED BED PHOTOCATALYTIC REACTOR USING TiO2-COATED CERAMIC PARTICLES
- Effect on corneal shape of suturing the scleral wound during 23-gauge vitreous surgery
- In Situ Estimation of Selective Capture of Tungsten Carbide Particles from Mixture with Diatomite Particles by Mesh-Stacked Dielectrophoresis Separator
- WATER PURIFICATION BY CYLINDRICAL WETTED-WALL REACTOR USING GASEOUS CORONA DISCHARGE
- Wetted-Wall Dielectrophoretic Separator for Collection of TiO2 from SiO2-TiO2 Particle Mixture Dispersed in Ethanol
- Wetted-Wall Dielectrophoretic Separator for Collection of TiO_2 from SiO_2- TiO_2 Particle Mixture Dispersed in Ethanol
- On the analysis of rarefied gas transition flow in a circular tube based on the locally uniform velocity distribution functions.
- APPLICATION OF THE TRANSPORT DISTANCE TAKING MOLECULE-WALL COLLISIONS INTO ACCOUNT TO CYLIN-DRICAL POISEUILLE FLOW OF A RAREFIED GAS