Surfactant-Mediated Growth Revisited

H. L. Meyerheim, D. Sander, R. Popescu, W. Pan, I. Popa, and J. Kirschner
Phys. Rev. Lett. 99, 116101 – Published 11 September 2007

Abstract

The x-ray structure analysis of the oxygen-surfactant-mediated growth of Ni on Cu(001) identifies up to 0.15 monolayers of oxygen in subsurface octahedral sites. This questions the validity of the general view that surfactant oxygen floats on top of the growing Ni film. Rather, the surfactant action is ascribed to an oxygen-enriched zone extending over the two topmost layers. Surface stress measurements support this finding. Our results have important implications for the microscopic understanding of surfactant-mediated growth and the change of the magnetic anisotropy of the Ni films.

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  • Received 23 March 2007

DOI:https://doi.org/10.1103/PhysRevLett.99.116101

©2007 American Physical Society

Authors & Affiliations

H. L. Meyerheim1, D. Sander1, R. Popescu1,*, W. Pan1,†, I. Popa2, and J. Kirschner1

  • 1Max-Planck-Institut für Mikrostrukturphysik, Weinberg 2, D-06120 Halle, Germany
  • 2ESRF, BP 220, F-38043 Grenoble, France

  • *Also at: Labor für Elektronenmikroskopie, Universität Karlsruhe, D-76128 Karlsruhe, Germany.
  • Also at: Department of Physics, National Chung Cheng University, Chia-Yi 62102 Taiwan.

Comments & Replies

Meyerheim et al. Reply:

H. L. Meyerheim, D. Sander, R. Popescu, W. Pan, I. Popa, and J. Kirschner
Phys. Rev. Lett. 100, 089602 (2008)

Comment on “Surfactant-Mediated Growth Revisited”

X.-D. Liu, T. Iimori, K. Nakatsuji, and F. Komori
Phys. Rev. Lett. 100, 089601 (2008)

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Vol. 99, Iss. 11 — 14 September 2007

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