Magnetic versus crystal-field linear dichroism in NiO thin films

Haverkort, M. W.; Csiszar, S. I.; Hu, Z.; Altieri, S.; Tanaka, A.; Hsieh, H. H.; Lin, H.-J.; Chen, C. T.; Hibma, T.; Tjeng, L. H.

doi:10.1103/PhysRevB.69.020408

Datensatz

DATENSATZ AKTIONENEXPORT

Zur Ablage hinzufügen

Lokale TagsStatistikFreigabegeschichteDetailsÜbersicht

Freigegeben

Zeitschriftenartikel

Magnetic versus crystal-field linear dichroism in NiO thin films

MPG-Autoren

Es sind keine MPG-Autoren in der Publikation vorhanden

Externe Ressourcen

Es sind keine Externen Ressourcen verfügbar

Volltexte (frei zugänglich)

Es sind keine frei zugänglichen Volltexte verfügbar

Ergänzendes Material (frei zugänglich)

Es sind keine frei zugänglichen Ergänzenden Materialien verfügbar

Zitation

Haverkort, M. W., Csiszar, S. I., Hu, Z., Altieri, S., Tanaka, A., Hsieh, H. H., et al. (2004). Magnetic versus crystal-field linear dichroism in NiO thin films. Physical Review B, 69(2): 020408, pp. 1-4. doi:10.1103/PhysRevB.69.020408.

Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0019-17A7-4

Zusammenfassung

We have detected strong dichroism in the Ni L-2,L-3 x-ray absorption spectra of a monolayer NiO film. The dichroic signal appears to be very similar to the magnetic linear dichroism observed for thicker antiferromagnetic NiO films. Detailed analysis reveals, however, that the dichroism is caused by crystal-field effects in the monolayer film, which is a nontrivial effect because the high spin Ni 3d(8) ground state is not split by low-symmetry crystal fields. We present a practical method for identifying the independent magnetic and crystal-field contributions to the linear dichroic signal in spectra of NiO films with arbitrary thicknesses and lattice strains. Our findings are also relevant for 3d(5) and 3d(3) systems such as LaFeO3, Fe2O3, VO, LaCrO3, Cr2O3, and Mn4+ thin films.