Magnetic properties of the intercalated compound Lu2Fe3O7

Physical review. B./Physical review. B, vol. 104

Abstract

Complex spin and charge order in the frustrated Fe/O bilayers of rare-earth ferrites $R$Fe${}_{2}$O${}_{4}$ and proposed multiferroicity for $R$ = Lu have attracted a lot of interest. The authors focus on $i\phantom{\rule{0}{0ex}}n\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}e\phantom{\rule{0}{0ex}}r\phantom{\rule{0}{0ex}}c\phantom{\rule{0}{0ex}}a\phantom{\rule{0}{0ex}}l\phantom{\rule{0}{0ex}}a\phantom{\rule{0}{0ex}}t\phantom{\rule{0}{0ex}}e\phantom{\rule{0}{0ex}}d$ Lu${}_{2}$Fe${}_{3}$O${}_{7}$, with additional Fe/O single layers inserted between the bilayers. Macroscopic magnetization measurements, polarized neutron scattering, and x-ray magnetic circular dichroism indicate that spin-charge coupling and the local spin arrangement in each individual bilayer is the same as in the nonintercalated compound, with the Fe spins in the single layers giving rise to an additional paramagneticlike contribution.

Authors 3

1. Sabreen Hammouda Aachen Lehrstuhl für Experimentalphysik IV C

   RWTH Aachen University · Forschungszentrum Jülich · Jülich Aachen Research Alliance

   Affiliation as printed

   Jülich Centre for Neutron Science JCNS and Peter Grünberg Institut PGI, JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany

   Lehrstuhl für Experimentalphysik IV C, RWTH Aachen University, 52056 Aachen, Germany

2. E. Weschke

   Helmholtz-Zentrum Berlin für Materialien und Energie

   Affiliation as printed

   Helmholtz-Zentrum Berlin für Materialen und Energie, Albert-Einstein-Strasse 15, D-12489 Berlin, Germany

3. Manuel Angst

   Forschungszentrum Jülich · Jülich Aachen Research Alliance

   Affiliation as printed

   Jülich Centre for Neutron Science JCNS and Peter Grünberg Institut PGI, JARA-FIT, Forschungszentrum Jülich GmbH, 52425 Jülich, Germany