Effect of substrate strain on adsorption

被引：316

作者：

Gsell, M ^{[1
]}

Jakob, P ^{[1
]}

Menzel, D ^{[1
]}

机构：

[1] Tech Univ Munich, Dept Phys E 20, D-85747 Garching, Germany

来源：

SCIENCE | 1998年 / 280卷 / 5364期

关键词：

D O I：

10.1126/science.280.5364.717

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Direct evidence for the effect of local strain at a surface on the bonding strength for adsorbates is presented. Scanning tunneling microscopy revealed that adsorbed oxygen atoms on Ru(0001) surfaces are located preferentially on top of nanometer-size protrusions above subsurface argon bubbles, where tensile strain prevails, and are depleted around their rim in regions of compression, relative to the flat surface. Such effects can be considered as the reverse of adsorbate-induced strain, and their direct local demonstration can be used to test theoretical predictions.

引用

页码：717 / 720

页数：4

共 18 条

[1] STRUCTURE OF BE FILMS QUENCHED FROM THE VAPOR [J].

BUCK, V .

ZEITSCHRIFT FUR PHYSIK B-CONDENSED MATTER, 1979, 33 (04) :349-355

[2] CORRELATION BETWEEN SURFACE STRESS AND THE VIBRATIONAL SHIFT OF CO CHEMISORBED ON CU SURFACES [J].

KAMPSHOFF, E ;

HAHN, E ;

KERN, K .

PHYSICAL REVIEW LETTERS, 1994, 73 (05) :704-707

[3]

KOSTOV L, 1997, SURF SCI LETT, V394, pL138

[4] ADSORBATE INDUCED RECONSTRUCTION BY STRONG CHEMISORPTION - RU(001)P(2 X 2)-O [J].

LINDROOS, M ;

PFNUR, H ;

HELD, G ;

MENZEL, D .

SURFACE SCIENCE, 1989, 222 (2-3) :451-463

[5] DIRECT MEASUREMENT OF CRYSTAL-SURFACE STRESS [J].

MARTINEZ, RE ;

AUGUSTYNIAK, WM ;

GOLOVCHENKO, JA .

PHYSICAL REVIEW LETTERS, 1990, 64 (09) :1035-1038

[6]

MAVRIKAKIS M, COMMUNICATION

[7] RELAXATION OF THE CLEAN, CU-COVERED AND H-COVERED RU(0001) SURFACE - COMMENT [J].

MENZEL, D .

SURFACE SCIENCE, 1994, 318 (03) :437-441

[8] Adsorbate-induced global and local expansions and contractions of a close-packed transition metal surface [J].

Menzel, D .

SURFACE REVIEW AND LETTERS, 1997, 4 (06) :1283-1289

[9] A LEED DETERMINATION OF THE STRUCTURES OF RU(001) AND OF CO/RU(001)-SQUARE-ROOT 3X SQUARE-ROOT 3 R30-DEGREES [J].

MICHALK, G ;

MORITZ, W ;

PFNUR, H ;

MENZEL, D .

SURFACE SCIENCE, 1983, 129 (01) :92-106

[10] OXYGEN INDUCED RECONSTRUCTION OF A CLOSE-PACKED SURFACE - A LEED-IV STUDY ON RU(001)-P(2X1)O [J].

PFNUR, H ;

HELD, G ;

LINDROOS, M ;

MENZEL, D .

SURFACE SCIENCE, 1989, 220 (01) :43-58

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