Magnetic spiral structures in La/Fe multilayers.

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The magnetic properties of La/Fe multilayers were tested by magneto-optical Kerr effect and polarized neutron reflectometry. The experiments indicated that above a layer thickness t{sub la} = 25{angstrom} the magnetic state of the virgin sample is represented by a spiral-like arrangement of magnetizations of subsequent Fe layers, whereas each Fe layer itself is ferromagnetic. Polarized neutron reflectometry shows that the helix has predominantly one chirality over the entire surface area of several cm{sup 2}. Tine magnetic spiral structure is imprinted during the growth process by rotating the sample in a small residual magnetic field. External magnetic field of 90 Oe ... continued below

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12 p.

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Lohstroh, W. September 25, 1998.

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The magnetic properties of La/Fe multilayers were tested by magneto-optical Kerr effect and polarized neutron reflectometry. The experiments indicated that above a layer thickness t{sub la} = 25{angstrom} the magnetic state of the virgin sample is represented by a spiral-like arrangement of magnetizations of subsequent Fe layers, whereas each Fe layer itself is ferromagnetic. Polarized neutron reflectometry shows that the helix has predominantly one chirality over the entire surface area of several cm{sup 2}. Tine magnetic spiral structure is imprinted during the growth process by rotating the sample in a small residual magnetic field. External magnetic field of 90 Oe are sufficient to erase the magnetic structure irreversibly.

Physical Description

12 p.

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INIS; OSTI as DE00010823

Medium: P; Size: 12 pages

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  • 3rd International Symposium on Metallic Multilayers (MML '98), Vancouver, British Columbia (CA), 06/14/1998--06/19/1998

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  • Report No.: ANL/MSD/CP-96563
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 10823
  • Archival Resource Key: ark:/67531/metadc623077

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  • September 25, 1998

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  • June 16, 2015, 7:43 a.m.

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  • April 6, 2017, 8:21 p.m.

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Lohstroh, W. Magnetic spiral structures in La/Fe multilayers., article, September 25, 1998; Illinois. (digital.library.unt.edu/ark:/67531/metadc623077/: accessed October 17, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.