Observation of a one-dimensional state on stepped Cu(775)

被引：23

作者：

Shen, XJ

Kwak, H

Mocuta, D

Radojevic, AM

Smadici, S

Osgood, RM ^{[1
]}

机构：

[1] Columbia Univ, Columbia Radiat Lab, New York, NY 10027 USA

[2] Brookhaven Natl Lab, Upton, NY 11973 USA

来源：

PHYSICAL REVIEW B | 2001年 / 63卷 / 16期

关键词：

D O I：

10.1103/PhysRevB.63.165403

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We report on using high-resolution angle-resolved two-photon photoemission to observe a one-dimensional surface state 0.27 eV below the Fermi level on a stepped Cu(111) surface. The state is dispersive along the step direction but localized perpendicular to the step orientation. The origin of the state may be explained by confinement due to the step-edge potential.

引用

页数：8

共 41 条

[31]

SOLLMER S, 2000, APPL PHYS LETT, V76, P2686

[32]

SPELLER S, UNPUB

[33]

SPELLER S, COMMUNICATION

[34]

STEINMANN W, 1995, LASER SPECTROSCOPY P, P184

[35] NONLIFETIME EFFECTS IN PHOTOEMISSION LINEWIDTHS [J].

TERSOFF, J ;

KEVAN, SD .

PHYSICAL REVIEW B, 1983, 28 (08) :4267-4270

[36] ONE-DIMENSIONAL FERMI LIQUIDS [J].

VOIT, J .

REPORTS ON PROGRESS IN PHYSICS, 1995, 58 (09) :977-1116

[37]

WAGNER H, 1979, SPRINGER TRACTS MODE, V85, P151

[38] 2-DIMENSIONAL ELECTRON-SCATTERING PROCESSES ON NA-DOSED CU(111) - A 2-PHOTON PHOTOEMISSION-STUDY [J].

WANG, XY ;

PAIELLA, R ;

OSGOOD, RM .

PHYSICAL REVIEW B, 1995, 51 (23) :17035-17039

[39] Surface electron motion near monatomic steps: Two-photon photoemission studies on stepped Cu(111) [J].

Wang, XY ;

Shen, XJ ;

Osgood, RM .

PHYSICAL REVIEW B, 1997, 56 (12) :7665-7674

[40] IDENTIFICATION OF CHEMISORPTION LEVELS ON IRIDIUM BY FIELD-EMISSION SPECTROSCOPY [J].

WILLIAMS, RS ;

WEHNER, PS ;

KEVAN, SD ;

DAVIS, RF ;

SHIRLEY, DA .

PHYSICAL REVIEW LETTERS, 1978, 41 (05) :323-326

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