Water adsorption, desorption, and clustering on FeO(111)

被引：34

作者：

Daschbach, JL ^{[1
]}

Dohnálek, Z ^{[1
]}

Liu, SR ^{[1
]}

Smith, RS ^{[1
]}

Kay, BD ^{[1
]}

机构：

[1] Pacific NW Natl Lab, Fundamental Sci Div, Environm Mol Sci Lab, Richland, WA 99352 USA

来源：

JOURNAL OF PHYSICAL CHEMISTRY B | 2005年 / 109卷 / 20期

关键词：

D O I：

10.1021/jp058013s

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 water on FeO(111) is investigated using temperature programmed desorption (TPD) and infrared reflection absorption spectroscopy (IRAS). Well-ordered 2 ML thick FeO(111) films are grown epitaxially on a Pt(111) substrate. Water adsorbs molecularly on FeO(111) and desorbs with a well resolved monolayer peak. IRAS measurements as a function of coverage are performed for water deposited at 30 and 135 K. For all coverages (0.2 ML and greater), the adsorbed water exhibits significant hydrogen bonding. Differences in IRAS spectra for water adsorbed at 30 and 135 K are subtle but suggest that water adsorbed at 135 K is well ordered. Monolayer nitrogen TPD spectra from water covered FeO(111) surfaces are used to investigate the clustering of the water as a function of deposition or annealing temperature. Temperature dependent water overlayer structures result from differences in water diffusion rates on bare FeO(111) and on water adsorbed on FeO(111). Features in the nitrogen TPD spectra allow the monolayer wetting and 2-dimensional (2D) ordering of water on FeO(111) to be followed. Voids in a partially disordered first water layer exist for water deposited below 120 K and ordered 2D islands are found when depositing water above 120 K.

引用

页码：10362 / 10370

页数：9

共 55 条

[1] Surface crystallization of amorphous solid water [J].

Backus, EHG ;

Grecea, ML ;

Kleyn, AW ;

Bonn, M .

PHYSICAL REVIEW LETTERS, 2004, 92 (23) :236101-1

[2] Water at surfaces: What can we learn from vibrational spectroscopy? [J].

Bensebaa, F ;

Ellis, TH .

PROGRESS IN SURFACE SCIENCE, 1995, 50 (1-4) :173-185

[3] Structure and phonons of the ice surface [J].

Braun, J ;

Glebov, A ;

Graham, AP ;

Menzel, A ;

Toennies, JP .

PHYSICAL REVIEW LETTERS, 1998, 80 (12) :2638-2641

[4] REORIENTATION OF CHEMISORBED WATER ON NI(110) BY HYDROGEN-BONDING TO 2ND-LAYER [J].

CALLEN, BW ;

GRIFFITHS, K ;

NORTON, PR .

PHYSICAL REVIEW LETTERS, 1991, 66 (12) :1634-1637

[5] Ultrathin metal films and particles on oxide surfaces: Structural, electronic and chemisorptive properties [J].

Campbell, CT .

SURFACE SCIENCE REPORTS, 1997, 27 (1-3) :1-111

[6] Novel water overlayer growth on Pd(111) characterized with scanning tunneling microscopy and density functional theory -: art. no. 116101 [J].

Cerdá, J ;

Michaelides, A ;

Bocquet, ML ;

Feibelman, PJ ;

Mitsui, T ;

Rose, M ;

Fomin, E ;

Salmeron, M .

PHYSICAL REVIEW LETTERS, 2004, 93 (11) :116101-1

[7] Epitaxial growth and properties of thin film oxides [J].

Chambers, SA .

SURFACE SCIENCE REPORTS, 2000, 39 (5-6) :105-180

[8] SPECTROSCOPICALLY EVALUATED RATES AND ENERGIES FOR PROTON-TRANSFER AND BJERRUM DEFECT MIGRATION IN CUBIC ICE [J].

COLLIER, WB ;

RITZHAUPT, G ;

DEVLIN, JP .

JOURNAL OF PHYSICAL CHEMISTRY, 1984, 88 (03) :363-368

[9] Adsorption, desorption, and clustering of H2O on Pt(111) [J].

Daschbach, JL ;

Peden, BM ;

Smith, RS ;

Kay, BD .

JOURNAL OF CHEMICAL PHYSICS, 2004, 120 (03) :1516-1523

[10] Substrate induced crystallization of amorphous solid water at low temperatures [J].

Dohnálek, Z ;

Ciolli, RL ;

Kimmel, GA ;

Stevenson, KP ;

Smith, RS ;

Kay, BD .

JOURNAL OF CHEMICAL PHYSICS, 1999, 110 (12) :5489-5492

← 1 2 3 4 5 6 →