Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation

Yu SW, David R, Irmer N, Schmiedeskamp B, Müller N, Heinzmann U, Cherepkov NA (1998)
SURFACE SCIENCE 416(3): 396-402.

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Abstract
For Pt(110)-(1 x 2), the phase difference between the complex transition dipole matrix elements M-parallel to((3)) and M-parallel to((4)), i.e. the dipole matrix elements for transitions from initial states of double-group symmetry Sigma(5) with spatial parts Sigma 3/5 and Sigma 4/5 of single-group symmetry Sigma(3) and Sigma(4), respectively, to final states of double-group symmetry Sigma(5) with the spatial part Sigma 1/5 of single-group symmetry Sigma(1), has been determined quantitatively by means of spin-resolved photoemission spectroscopy. The measurements were performed at the BESSY 6.5 m NIM with circularly and linearly polarized synchrotron radiation using a photon energy of 11.8 eV in the highly symmetrical set-up of normal incidence and normal emission. The experimental results obtained with the linearly polarized radiation show very good agreement with a recent theoretical prediction of Henk and Feder [Europhys. Lett. 28 (1994) 609]. The phase difference determined is interpreted to be the physical origin of the non-vanishing electron spin polarization in the experiments with linearly polarized radiation. Within an atomic model, the alignment of the atoms on the surface is shown to be the physical origin of the effect. (C) 1998 Elsevier Science B.V. All rights reserved.
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Yu SW, David R, Irmer N, et al. Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation. SURFACE SCIENCE. 1998;416(3):396-402.
Yu, S. W., David, R., Irmer, N., Schmiedeskamp, B., Müller, N., Heinzmann, U., & Cherepkov, N. A. (1998). Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation. SURFACE SCIENCE, 416(3), 396-402.
Yu, S. W., David, R., Irmer, N., Schmiedeskamp, B., Müller, N., Heinzmann, U., and Cherepkov, N. A. (1998). Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation. SURFACE SCIENCE 416, 396-402.
Yu, S.W., et al., 1998. Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation. SURFACE SCIENCE, 416(3), p 396-402.
S.W. Yu, et al., “Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation”, SURFACE SCIENCE, vol. 416, 1998, pp. 396-402.
Yu, S.W., David, R., Irmer, N., Schmiedeskamp, B., Müller, N., Heinzmann, U., Cherepkov, N.A.: Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation. SURFACE SCIENCE. 416, 396-402 (1998).
Yu, SW, David, R, Irmer, N, Schmiedeskamp, B, Müller, Norbert, Heinzmann, Ulrich, and Cherepkov, NA. “Determination of phase differences of transition matrix elements from Pt(110) by means of spin-resolved photoemission with circularly and linearly polarized radiation”. SURFACE SCIENCE 416.3 (1998): 396-402.
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