Resonance lifetime and energy of an excited Cs state on Cu(111)

被引：147

作者：

Bauer, M

Pawlik, S

Aeschlimann, M

机构：

[1] Laboratory for Technical Chemistry, ETH Zurich

来源：

PHYSICAL REVIEW B | 1997年 / 55卷 / 15期

关键词：

D O I：

10.1103/PhysRevB.55.10040

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Using time-resolved two-photon photoemission spectroscopy, we investigated the resonance lifetime and energy of an excited Cs state on Cu(111) in the low-coverage case. We found a pronounced lifetime increase of up to 11 +/- 3 fs on a copper surface covered with cesium as compared to a clean copper surface in the energy ranee of an excited electronic Cs state in the spectrum, This result is in agreement with recent theoretical predictions of hybridization among excited atomic levels of alkali atoms near metal surfaces.

引用

页码：10040 / 10043

页数：4

共 23 条

[1] Competing nonradiative channels for hot electron induced surface photochemistry
Aeschlimann, M
Bauer, M
Pawlik, S
[J]. CHEMICAL PHYSICS, 1996, 205 (1-2) : 127 - 141
[2] CHEMICAL TRENDS AND BONDING MECHANISMS FOR ISOLATED ADSORBATES ON AL(111)
BORMET, J
NEUGEBAUER, J
SCHEFFLER, M
[J]. PHYSICAL REVIEW B, 1994, 49 (24): : 17242 - 17252
[3] COVERAGE-DEPENDENT ELECTRONIC-STRUCTURE OF NA ON CU(111)
FISCHER, N
SCHUPPLER, S
FAUSTER, T
STEINMANN, W
[J]. SURFACE SCIENCE, 1994, 314 (01) : 89 - 96
[4] LASER-EXCITED HOT-ELECTRON INDUCED DESORPTION - A THEORETICAL-MODEL APPLIED TO NO/PT(111)
GADZUK, JW
RICHTER, LJ
BUNTIN, SA
KING, DS
CAVANAGH, RR
[J]. SURFACE SCIENCE, 1990, 235 (2-3) : 317 - 333
[5] Theory of electrical double layers m adsorbed films
Gurney, RW
[J]. PHYSICAL REVIEW, 1935, 47 (06): : 479 - 482
[6] HOT-ELECTRON MEDIATED PHOTODESORPTION - A TIME-DEPENDENT APPROACH APPLIED TO NO/PT(111)
HARRIS, SM
HOLLOWAY, S
DARLING, GR
[J]. JOURNAL OF CHEMICAL PHYSICS, 1995, 102 (20) : 8235 - 8248
[7] Ultrafast electron dynamics at Cu(111): Response of an electron gas to optical excitation
Hertel, T
Knoesel, E
Wolf, M
Ertl, G
[J]. PHYSICAL REVIEW LETTERS, 1996, 76 (03) : 535 - 538
[8] ELECTRONIC-STRUCTURE OF ALKALI-METAL OVERLAYERS ON THE SEMI-INFINITE JELLIUM SURFACE
ISHIDA, H
[J]. PHYSICAL REVIEW B, 1989, 39 (08): : 5492 - 5495
[9] EVIDENCE FOR A NEW BROADENING MECHANISM IN ANGLE-RESOLVED PHOTOEMISSION FROM CU(111)
KEVAN, SD
[J]. PHYSICAL REVIEW LETTERS, 1983, 50 (07) : 526 - 529
[10] FEMTOSECOND DYNAMICS OF ELECTRONIC EXCITATIONS OF ADSORBATES STUDIED BY 2-PHOTON PHOTOEMISSION PULSE CORRELATION - CO/CU(111)
KNOESEL, E
HERTEL, T
WOLF, M
ERTL, G
[J]. CHEMICAL PHYSICS LETTERS, 1995, 240 (5-6) : 409 - 416

← 1 2 3 →