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Phase transition in ultrathin magnetic dots (2000)

Marty, F. ; Vaterlaus, A. ; Maier, U. ; [et al.]

[S.l.] : American Institute of Physics (AIP)

Journal of Applied Physics 87 (2000), S. 5099-5101

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ISSN: 1089-7550

Source: AIP Digital Archive

Topics: Physics

Notes: We have measured the magnetization of in-plane magnetized ultrathin magnetic dots of Co on Cu(100) as a function of temperature and applied field by scanning Kerr microscopy. Co dots with lateral sizes down to 4 μm and a thickness of 1.8 atomic layers show a sharp magnetic phase transition which is indistinguishable from the one of extended films. The scaling plot suggests that these small particles belong to the Ising universality class. © 2000 American Institute of Physics.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1063/1.373261

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