Published July 14, 2021
| Version v1
Journal article
Adlayer influence on Dirac-type surface state at W(110)
Creators
- 1. Physikalisches Institut, Westfälische Wilhelms-Universität Münster, Wilhelm-Klemm-Straße 10, 48149 Münster (Germany)
- 2. Department of Physics and Astronomy, Material Theory, University Uppsala, Box 516, 75120 Uppsala (Sweden)
- 3. Hiroshima Synchrotron Radiation Center, Hiroshima University, 2-313 Kagamiyama, Higashi-Hiroshima 739-0046 (Japan)
- 4. Institute of Physics, Martin Luther University Halle-Wittenberg, 06099 Halle, Saale (Germany)
Description
In a combined experimental and theoretical study, we investigated how Fe and Co adlayers on W(110) affect the Dirac-type surface state (DSS). Angle-resolved photoelectron spectroscopy data show an increase in binding energy of 75 meV and 107 meV for Fe and Co, respectively. In order to identify the origin of the energy shift we performed first-principles calculations of the surface electronic structure. The inward surface relaxation of the uncovered W(110) surface is lifted by the adlayers. This structural change is one reason of the energy shift of the DSS. Furthermore, the Fe and Co adlayers change the surface potential, which results in an additional energy shift of the DSS. (paper)
Availability note (English)
Available from http://dx.doi.org/10.1088/1361-648X/abfdf3Additional details
Identifiers
Publishing Information
- Journal Title
- Journal of Physics. Condensed Matter
- Journal Volume
- 33
- Journal Issue
- 28
- Journal Page Range
- [6 p.]
- ISSN
- 0953-8984
- CODEN
- JCOMEL
INIS
- Country of Publication
- United Kingdom
- Country of Input or Organization
- International Atomic Energy Agency (IAEA)
- INIS RN
- 53099542
- Subject category
- S75: CONDENSED MATTER PHYSICS, SUPERCONDUCTIVITY AND SUPERFLUIDITY;
- Descriptors DEI
- BINDING ENERGY; ELECTRONIC STRUCTURE; MEV RANGE; PHOTOELECTRON SPECTROSCOPY; RELAXATION
- Descriptors DEC
- ELECTRON SPECTROSCOPY; ENERGY; ENERGY RANGE; SPECTROSCOPY