Hydrogen desorption kinetics from H-Si (111) surfaces studied by optical sum frequency generation and second harmonic generation
We have studied hydrogen desorption from a flat H‐Si (111)1 × 1 surface at 711 K by observing sum frequency generation (SFG) and second harmonic generation (SHG) spectra. Flat H‐Si (111) surfaces were prepared by dosing hydrogen molecules in an ultra‐high vacuum chamber with a base pressure of 〜10−8...
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| Veröffentlicht in: | Surface and interface analysis 2016-11, Vol.48 (11), p.1235-1239 |
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| container_title | Surface and interface analysis |
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| creator | Sattar, Md. Abdus Hien, Khuat Thi Thu Miyauchi, Yoshihiro Mizutani, Goro Rutt, Harvey N. |
| description | We have studied hydrogen desorption from a flat H‐Si (111)1 × 1 surface at 711 K by observing sum frequency generation (SFG) and second harmonic generation (SHG) spectra. Flat H‐Si (111) surfaces were prepared by dosing hydrogen molecules in an ultra‐high vacuum chamber with a base pressure of 〜10−8 Pa. Combining the SFG and SHG methods, the desorption order has been clarified over the whole hydrogen coverage range from 1 monolayer (ML) to 0 ML. The hydrogen desorption was assigned as second order in the high coverage range of 1 ML–0.18 ML by using SFG spectroscopy and as first order in the coverage range of 0.18 ML–0.0 ML by using SHG spectroscopy. Copyright © 2016 John Wiley & Sons, Ltd. |
| doi_str_mv | 10.1002/sia.6099 |
| format | Article |
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Abdus ; Hien, Khuat Thi Thu ; Miyauchi, Yoshihiro ; Mizutani, Goro ; Rutt, Harvey N.</creator><creatorcontrib>Sattar, Md. Abdus ; Hien, Khuat Thi Thu ; Miyauchi, Yoshihiro ; Mizutani, Goro ; Rutt, Harvey N.</creatorcontrib><description>We have studied hydrogen desorption from a flat H‐Si (111)1 × 1 surface at 711 K by observing sum frequency generation (SFG) and second harmonic generation (SHG) spectra. Flat H‐Si (111) surfaces were prepared by dosing hydrogen molecules in an ultra‐high vacuum chamber with a base pressure of 〜10−8 Pa. Combining the SFG and SHG methods, the desorption order has been clarified over the whole hydrogen coverage range from 1 monolayer (ML) to 0 ML. The hydrogen desorption was assigned as second order in the high coverage range of 1 ML–0.18 ML by using SFG spectroscopy and as first order in the coverage range of 0.18 ML–0.0 ML by using SHG spectroscopy. 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The hydrogen desorption was assigned as second order in the high coverage range of 1 ML–0.18 ML by using SFG spectroscopy and as first order in the coverage range of 0.18 ML–0.0 ML by using SHG spectroscopy. Copyright © 2016 John Wiley & Sons, Ltd.</description><subject>desorption order</subject><subject>hydrogen coverage</subject><subject>second harmonic generation (SHG)</subject><subject>Si 1 × 1 surface</subject><subject>sum frequency generation (SFG)</subject><issn>0142-2421</issn><issn>1096-9918</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2016</creationdate><recordtype>article</recordtype><recordid>eNp1kMFLwzAchYMoOKfgn5DjPHQmTZs2xzF0HRuKbCJ4CWn6q8atzUw6tDf_dDsnogdP7_C-9x0eQueUDCkh4aU3asiJEAeoR4nggRA0PUQ9QqMwCKOQHqMT718IISlLeQ99ZG3h7BPUuABv3aYxtsYrU0NjtMelsxXOgoXBA0rpBfZbVyoNHvtmWxgocN5i2220Wndd1fHwuoVat7gzglNfNlUX2IO2XTwrV9na6F_1KToq1drD2Xf20f311XKcBfPbyXQ8mgc6IkwEVJV5kqiUap4naRHlBXBFolAAzzUTXBNGhFacCZHENKa0TFQcklzEEAoWE9ZHg71XO-u9g1JunKmUayUlcvec7J6Tu-c6NNijb2YN7b-cXExHf3njG3j_4ZVbSZ6wJJYPNxO5nKV319nsUVL2CWu1f_g</recordid><startdate>201611</startdate><enddate>201611</enddate><creator>Sattar, Md. 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Abdus ; Hien, Khuat Thi Thu ; Miyauchi, Yoshihiro ; Mizutani, Goro ; Rutt, Harvey N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4039-1afb77a81c6b78d4bde6a0429e6bc396c0309ca6399751511f7a520b95e293503</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2016</creationdate><topic>desorption order</topic><topic>hydrogen coverage</topic><topic>second harmonic generation (SHG)</topic><topic>Si 1 × 1 surface</topic><topic>sum frequency generation (SFG)</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sattar, Md. Abdus</creatorcontrib><creatorcontrib>Hien, Khuat Thi Thu</creatorcontrib><creatorcontrib>Miyauchi, Yoshihiro</creatorcontrib><creatorcontrib>Mizutani, Goro</creatorcontrib><creatorcontrib>Rutt, Harvey N.</creatorcontrib><collection>Istex</collection><collection>CrossRef</collection><jtitle>Surface and interface analysis</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sattar, Md. Abdus</au><au>Hien, Khuat Thi Thu</au><au>Miyauchi, Yoshihiro</au><au>Mizutani, Goro</au><au>Rutt, Harvey N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Hydrogen desorption kinetics from H-Si (111) surfaces studied by optical sum frequency generation and second harmonic generation</atitle><jtitle>Surface and interface analysis</jtitle><addtitle>Surf. Interface Anal</addtitle><date>2016-11</date><risdate>2016</risdate><volume>48</volume><issue>11</issue><spage>1235</spage><epage>1239</epage><pages>1235-1239</pages><issn>0142-2421</issn><eissn>1096-9918</eissn><abstract>We have studied hydrogen desorption from a flat H‐Si (111)1 × 1 surface at 711 K by observing sum frequency generation (SFG) and second harmonic generation (SHG) spectra. Flat H‐Si (111) surfaces were prepared by dosing hydrogen molecules in an ultra‐high vacuum chamber with a base pressure of 〜10−8 Pa. Combining the SFG and SHG methods, the desorption order has been clarified over the whole hydrogen coverage range from 1 monolayer (ML) to 0 ML. The hydrogen desorption was assigned as second order in the high coverage range of 1 ML–0.18 ML by using SFG spectroscopy and as first order in the coverage range of 0.18 ML–0.0 ML by using SHG spectroscopy. Copyright © 2016 John Wiley & Sons, Ltd.</abstract><pub>Blackwell Publishing Ltd</pub><doi>10.1002/sia.6099</doi><tpages>5</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | desorption order hydrogen coverage second harmonic generation (SHG) Si 1 × 1 surface sum frequency generation (SFG) |
| title | Hydrogen desorption kinetics from H-Si (111) surfaces studied by optical sum frequency generation and second harmonic generation |
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