NEW APPROACH TO HIGH-RESOLUTION ELECTRON-ENERGY-LOSS SPECTROSCOPY OF POLAR MATERIALS - STUDIES OF WATER AND METHANOL ADSORPTION ON ULTRATHIN MGO(100) FILMS

被引：83

作者：

WU, MC

ESTRADA, CA

GOODMAN, DW

机构：

来源：

PHYSICAL REVIEW LETTERS | 1991年 / 67卷 / 20期

关键词：

D O I：

10.1103/PhysRevLett.67.2910

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

A novel approach to the application of high-resolution electron-energy-loss spectroscopy to polar materials is demonstrated in this Letter. By using a high-impact-energy beam and an off-specular scattering geometry, losses due to excitation of the adsorbates are.observed in the 1000-4000-cm-1 range with little interference from the intense losses due to multiple surface optical phonons (Fuchs-Kliewer modes). Adsorption of water and methanol on ultrathin MgO(100) films on Mo(100) have been studied using this new approach.

引用

收藏

页码：2910 / 2913

页数：4

相关论文

共 16 条

[1] ENERGY-DEPENDENCE OF VIBRATIONAL-EXCITATION OF ADSORBED CO AND OH [J].

ANDERSSON, S ;

DAVENPORT, JW .

SOLID STATE COMMUNICATIONS, 1978, 28 (08) :677-681

[2] ASSIGNMENT OF A SURFACE VIBRATIONAL-MODE BY CHEMICAL MEANS - MODIFICATION OF THE LATTICE MODES OF AL2O3 BY A SURFACE-REACTION WITH H2O [J].

CHEN, JG ;

CROWELL, JE ;

YATES, JT .

JOURNAL OF CHEMICAL PHYSICS, 1986, 84 (10) :5906-5909

[3] APPLICATION OF FOURIER-TRANSFORM TECHNIQUES TO DECONVOLUTION OF HREEL SPECTRA [J].

COX, PA ;

FLAVELL, WR ;

WILLIAMS, AA ;

EGDELL, RG .

SURFACE SCIENCE, 1985, 152 (APR) :784-790

[4]

FUCHS EP, 1965, PHYS REV, V140, pA2076

[5] OPTICAL SURFACE PHONONS IN ZINC OXIDE DETECTED BY SLOW-ELECTRON SPECTROSCOPY [J].

IBACH, H .

PHYSICAL REVIEW LETTERS, 1970, 24 (25) :1416-&

[6]

Ibach H., 1982, ELECTRON ENERGY LOSS

[7] ELECTRON-ENERGY-LOSS SPECTROSCOPY OF MULTILAYERED MATERIALS - THEORETICAL ASPECTS AND STUDY OF INTERFACE OPTICAL PHONONS IN SEMICONDUCTOR SUPERLATTICES [J].

LAMBIN, P ;

VIGNERON, JP ;

LUCAS, AA .

PHYSICAL REVIEW B, 1985, 32 (12) :8203-8215

[8] CHARACTERIZATION OF INSULATORS BY HIGH-RESOLUTION ELECTRON-ENERGY-LOSS SPECTROSCOPY - APPLICATION OF A SURFACE-POTENTIAL STABILIZATION TECHNIQUE [J].

LIEHR, M ;

THIRY, PA ;

PIREAUX, JJ ;

CAUDANO, R .

PHYSICAL REVIEW B, 1986, 33 (08) :5682-5697

[9] HIGH-RESOLUTION ELECTRON-ENERGY LOSS SPECTROSCOPY OF AN ANISOTROPIC INSULATOR SURFACE - A TEST FOR THE DIELECTRIC THEORY [J].

LIEHR, M ;

THIRY, PA ;

PIREAUX, JJ ;

CAUDANO, R .

JOURNAL OF VACUUM SCIENCE & TECHNOLOGY A-VACUUM SURFACES AND FILMS, 1984, 2 (02) :1079-1082

[10] ADSORPTION OF NA ATOMS AND OXYGEN-CONTAINING MOLECULES ON MGO(100) AND (111) SURFACES [J].

ONISHI, H ;

EGAWA, C ;

ARUGA, T ;

IWASAWA, Y .

SURFACE SCIENCE, 1987, 191 (03) :479-491