Time evolution analysis of a 2D solid-gas equilibrium:: a model system for molecular adsorption and diffusion

被引：102

作者：

Berner, S

Brunner, M

Ramoino, L

Suzuki, H

Güntherodt, HJ

Jung, TA

机构：

[1] Univ Basel, Inst Phys, CH-4056 Basel, Switzerland

[2] Kansai Adv Res Ctr, Com Res Lab, Nishi Ku, Kobe, Hyogo 6512492, Japan

[3] Paul Scherrer Inst, Lab Micro & Nanostruct, CH-5232 Villigen, Switzerland

来源：

CHEMICAL PHYSICS LETTERS | 2001年 / 348卷 / 3-4期

关键词：

D O I：

10.1016/S0009-2614(01)01158-7

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

The adsorption of sub-phthalocyanine molecules on Ag(111) has been studied by means of scanning tunneling microscopy (STM). The molecules are observed in different two-dimensional (2D) phases of adsorption which coexist in thermodynamic equilibrium. In the condensed phase the molecules form well-ordered islands with a honeycomb pattern. In the gas phase single molecules can be discriminated in single scan lines by characteristic tip excursions which occur randomly. The energy barrier for surface diffusion as well as the condensation energy to form 2D islands is estimated and discussed. (C) 2001 Published by Elsevier Science B.V.

引用

页码：175 / 181

页数：7

共 18 条

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