Journal
JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN
Volume 91, Issue 12, Pages -Publisher
PHYSICAL SOC JAPAN
DOI: 10.7566/JPSJ.91.124708
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Funding
- Japan Society for the Promotion of Science (JSPS)
- [19K051999]
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Ferromagnetism was observed in an ultrathin Pt(100) film deposited on a SrTiO3(100) substrate. The ferromagnetism periodically changes with the film thickness, and the orbital magnetic moment of pure Pt is smaller than that of the Pt/ferromagnetic multilayer system.
Ferromagnetism was observed in a Pt(100) ultrathin film deposited on a SrTiO3(100) substrate. The ferromagnetism, which appears in films with thicknesses of 2.2-4.4 nm, periodically changes with a period of approximately 1 nm (5-6 monolayers) depending on the film thickness. This is consistent with the period derived from the quantum-well states formed in the thin film. X-ray magnetic circular dichroism measurements show the evidence of appearance of intrinsic ferromagnetism in Pt(100) ultra-thin film. In addition, present results suggest a possibility that the orbital magnetic moment of pure Pt is much smaller than that of the Pt/ferromagnetic multilayer system.
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