Oscillations of the orbital magnetic moment due to d-band quantum well states

M. Däbrowski, T. R.F. Peixoto, M. Pazgan, A. Winkelmann, M. Cinal, T. Nakagawa, Y. Takagi, T. Yokoyama, F. Bisio, U. Bauer, F. Yildiz, M. Przybylski, J. Kirschner

Research output: Contribution to journalArticlepeer-review

20 Citations (Scopus)

Abstract

The effect of electron confinement on the magnetocrystalline anisotropy of ultrathin bcc Fe films is explored by combining photoemission spectroscopy, x-ray magnetic circular dichroism, and magneto-optical Kerr effect measurements. Pronounced thickness-dependent variations in the magnetocrystalline anisotropy are ascribed to periodic changes in the density of states at the Fermi level, induced by quantization of dxz, dyz out-of-plane orbitals. Our results reveal a direct correlation between quantum well states, the orbital magnetic moment, and the magnetocrystalline anisotropy.

Original languageEnglish
Article number067203
JournalPhysical review letters
Volume113
Issue number6
DOIs
Publication statusPublished - Aug 6 2014
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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