Surface Resonant Raman Scattering from Cu(110)

被引：5

作者：

Denk, M. ^{[1
,2
]}

Speiser, E. ^{[1
]}

Plaickner, J. ^{[1
,3
]}

Chandola, S. ^{[1
,3
]}

Sanna, S. ^{[4
,5
]}

Zeppenfeld, P. ^{[2
]}

Esser, N. ^{[1
,6
]}

机构：

[1] Leibniz Inst Analyt Wissensch ISAS eV, Schwarzschildstr 8, D-12489 Berlin, Germany

[2] Johannes Kepler Univ Linz, Inst Expt Phys, Altenberger Str 69, A-4040 Linz, Austria

[3] Helmholtz Zentrum Berlin Mat & Energie GmbH, Hahn Meitner Pl 1, D-14109 Berlin, Germany

[4] Justus Liebig Univ Giessen, Inst Theoret Phys, Heinrich Buff Ring 16, D-35392 Giessen, Germany

[5] Justus Liebig Univ Giessen, Ctr Mat Res LaMa, Heinrich Buff Ring 16, D-35392 Giessen, Germany

[6] Tech Univ Berlin, Inst Festkorperphys, Hardenbergstr 36, D-10623 Berlin, Germany

来源：

PHYSICAL REVIEW LETTERS | 2022年 / 128卷 / 21期

基金：

奥地利科学基金会;

关键词：

TOTAL-ENERGY CALCULATIONS; VIBRATIONAL RESONANCES; LATTICE-DYNAMICS; PHONONS; ANISOTROPY; EXCITONS; METALS; STATES;

D O I：

10.1103/PhysRevLett.128.216101

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We report the first evidence of Raman scattering from surface phonons of a pristine metal surface. Our study reveals a Raman-active surface vibrational resonance on Cu(110) with a surprisingly large scattering efficiency. With the incident photon energy close to the energy of the Cu(110) surface state electronic transition, the Raman scattering from the surface optical resonance can be significantly enhanced, while any contribution from bulk phonons is absent.

引用

页数：6

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