Measuring the Electron-Phonon Interaction in Two-Dimensional Superconductors with He-Atom Scattering

被引：16

作者：

Benedek, Giorgio ^{[1
,2
]}

Manson, Joseph R. ^{[2
,3
]}

Miret-Artes, Salvador ^{[2
,4
]}

Ruckhofer, Adrian ^{[5
]}

Ernst, Wolfgang E. ^{[5
]}

Tamtogl, Anton ^{[5
]}

Toennies, Jan Peter ^{[6
]}

机构：

[1] Univ Milano Bicocca, Dipartimento Sci Mat, Via R Cozzi 55, I-20185 Milan, Italy

[2] Donostia Int Phys Ctr DIPC, Paseo M Lardizabal 4, Donostia San Sebastian 20018, Basque Country, Spain

[3] Clemson Univ, Dept Phys & Astron, Clemson, SC 29630 USA

[4] Spanish Res Council, Inst Fundamental Phys, Madrid 28006, Spain

[5] Graz Univ Technol, Inst Expt Phys, A-8010 Graz, Austria

[6] Max Planck Inst Dynamik & Selbstorganisat, Fassberg 17, D-37077 Gottingen, Germany

来源：

CONDENSED MATTER | 2020年 / 5卷 / 04期

基金：

奥地利科学基金会;

关键词：

electron-phonon interaction; superconductivity; topological insulator; topological materials; transition metal dichalcogenide; charge density wave; helium atom scattering; CHARGE-DENSITY WAVES; POLARIZABILITY MODEL; NEUTRON-SCATTERING; PHASE-TRANSITIONS; COUPLING-CONSTANT; LATTICE-DYNAMICS; SURFACE; TEMPERATURE; 2H-TASE2; ENERGY;

D O I：

10.3390/condmat5040079

中图分类号：

O469 [凝聚态物理学];

学科分类号：

070205 ;

摘要：

Helium-atom scattering (HAS) spectroscopy from conducting surfaces has been shown to provide direct information on the electron-phonon interaction, more specifically the mass-enhancement factor lambda from the temperature dependence of the Debye-Waller exponent, and the mode-selected electron-phonon coupling constants lambda(Q nu) from the inelastic HAS intensities from individual surface phonons. The recent applications of the method to superconducting ultra-thin films, quasi-1D high-index surfaces, and layered transition-metal and topological pnictogen chalcogenides are briefly reviewed.

引用

页码：1 / 22

页数：22

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