### Examination of Commensurate Magnetic Structures in the Dy/Y multilayer system under applied magnetic fieldExamination of Commensurate Magnetic Structures in the Dy/Y multilayer system under applied magnetic field

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 Author Grigoriev, S. V. ♦ Tarnavich, V. V. ♦ Chetverikov, Yu. O. ♦ Lott, D. ♦ Schreyer, A. Source SpringerLink Content type Text Publisher Pleiades Publishing File Format PDF Copyright Year ©2015 Language English
 Subject Domain (in DDC) Technology ♦ Engineering & allied operations Subject Keyword commensurate magnetic structures ♦ multilayer superstructures ♦ spin spiral structure ♦ giant magnetoresistance effect ♦ antiferromagnets ♦ Surfaces and Interfaces, Thin Films Abstract In zero magnetic field, the magnetic system of a Dy/Y multilayer superstructure represents a spin spiral with a coherence length many times exceeding the Y/Dy bilayer thickness. When the magnetic spiral period does not coincide with the Dy-layer thickness, each structural layer is characterized by an average uncompensated magnetic moment. In an applied magnetic field, magnetic layers tend to order ferromagnetically. Along with ferromagnetic order coaxial to the magnetic field, fourfold commensurate spin structure similar to a spiral and twofold commensurate spin structure similar to antiferromagnetic spin-flop ordering are formed. The fourfold structure is observed at temperatures close to the critical Néel temperature at d $_{S}$ > d $_{Dy}$ (T $_{N}$ = 160 K) in relatively weak magnetic fields. The twofold structure of an antiferromagnet is characteristic of relatively strong fields. This phenomenon is explained in terms of the competition between the Ruderman–Kittel–Kasuya–Yoshida and Zeeman interactions. ISSN 10274510 Age Range 18 to 22 years ♦ above 22 year Educational Use Research Education Level UG and PG Learning Resource Type Article Publisher Date 2015-10-16 Publisher Place Moscow e-ISSN 18197094 Journal Journal of Surface Investigation. X-ray, Synchrotron and Neutron Techniques Volume Number 9 Issue Number 5 Page Count 6 Starting Page 974 Ending Page 979