ISSN:
1089-7550
Quelle:
AIP Digital Archive
Thema:
Physik
Notizen:
Thin magnetic layers have been prepared by pulsed-laser deposition from targets of the orthoferrites: DyFeO3, GdFeO3, SmFeO3, and YFeO3. All layers were deposited onto quartz substrates at a temperature of 450 °C under high-vacuum conditions, i.e., in the absence of additional oxygen. The as-grown films show evidence of the following phases: RFeO3, R3Fe5O12, Fe3O4, and R2O3, where R=Dy, Gd, Sm, and Y. The magnetic properties of these films have been investigated using superconducting quantum interference device magnetometry and magneto-optic (Faraday rotation) measurements taken before and after annealing. These studies reveal that the orthoferrite phase is almost completely (〉90%) recovered after an annealing treatment at 860 °C for 1 h. We also report on the temperature dependence of the Faraday rotation for these orthoferrites in the temperature range 25–250 °C. © 1999 American Institute of Physics.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1063/1.371583
