Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation

Yu SW, Lischke T, Müller N, Heinzmann U, Pettenkofer C, Klein A, Blaha P, Braun J (1999)
JOURNAL OF PHYSICS-CONDENSED MATTER 11(35): 6715-6723.

Zeitschriftenaufsatz | Veröffentlicht | Englisch
 
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Autor*in
Yu, SW; Lischke, T; Müller, NorbertUniBi; Heinzmann, UlrichUniBi; Pettenkofer, C; Klein, A; Blaha, P; Braun, J
Abstract / Bemerkung
The electronic structure of the layered semiconductor InSe along Delta is studied by spin resolved photoelectron spectroscopy using circularly polarized radiation from the BESSY 6.5 m normal incidence monochromator beamline. The experiments were performed in the highly symmetric set-up of normal incidence and normal emission. The photon energies were varied between 7.8 eV and 18 eV. The spectra show a pair of weakly dispersing peaks arising via direct transitions from valence-band states with symmetries Delta(9)(5), Delta(9)(6) and Delta(7)(5), Delta(8)(6). Our data determine the spin-orbit splitting in the valence bands to be Delta E-so = 0.3 +/- 0.1 eV. In addition the existence of a gap in the unoccupied bands along Delta above the fundamental gap is proven. Correlating measured peak positions and calculated bands (by a linearized augmented-plane-wave method) require an energy-dependent correction of the valence-band positions toward higher binding energies. The changing sign of photoelectron spin polarization reveals that between 7.6 eV and 12.5 eV above the valence-band maximum unoccupied states with symmetries Delta(7)(5), Delta(8)(6) and Delta(9)(5), Delta(9)(6) exist.
Erscheinungsjahr
1999
Zeitschriftentitel
JOURNAL OF PHYSICS-CONDENSED MATTER
Band
11
Ausgabe
35
Seite(n)
6715-6723
ISSN
0953-8984
eISSN
1361-648X
Page URI
https://pub.uni-bielefeld.de/record/1622079

Zitieren

Yu SW, Lischke T, Müller N, et al. Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation. JOURNAL OF PHYSICS-CONDENSED MATTER. 1999;11(35):6715-6723.
Yu, S. W., Lischke, T., Müller, N., Heinzmann, U., Pettenkofer, C., Klein, A., Blaha, P., et al. (1999). Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation. JOURNAL OF PHYSICS-CONDENSED MATTER, 11(35), 6715-6723. https://doi.org/10.1088/0953-8984/11/35/310
Yu, SW, Lischke, T, Müller, Norbert, Heinzmann, Ulrich, Pettenkofer, C, Klein, A, Blaha, P, and Braun, J. 1999. “Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation”. JOURNAL OF PHYSICS-CONDENSED MATTER 11 (35): 6715-6723.
Yu, S. W., Lischke, T., Müller, N., Heinzmann, U., Pettenkofer, C., Klein, A., Blaha, P., and Braun, J. (1999). Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation. JOURNAL OF PHYSICS-CONDENSED MATTER 11, 6715-6723.
Yu, S.W., et al., 1999. Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation. JOURNAL OF PHYSICS-CONDENSED MATTER, 11(35), p 6715-6723.
S.W. Yu, et al., “Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation”, JOURNAL OF PHYSICS-CONDENSED MATTER, vol. 11, 1999, pp. 6715-6723.
Yu, S.W., Lischke, T., Müller, N., Heinzmann, U., Pettenkofer, C., Klein, A., Blaha, P., Braun, J.: Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation. JOURNAL OF PHYSICS-CONDENSED MATTER. 11, 6715-6723 (1999).
Yu, SW, Lischke, T, Müller, Norbert, Heinzmann, Ulrich, Pettenkofer, C, Klein, A, Blaha, P, and Braun, J. “Spin resolved photoemission spectroscopy from InSe(0001) using circularly polarized radiation”. JOURNAL OF PHYSICS-CONDENSED MATTER 11.35 (1999): 6715-6723.
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