Simultaneous in-plane and out-of-plane exchange bias using a single antiferromagnetic layer resolved by x-ray magnetic circular dichroism

Nogués, J.; Stepanow, S.; Bollero, A.; Sort, J.; Dieny, B.; Nolting, F.; Gambardella, P.
October 2009
Applied Physics Letters;10/12/2009, Vol. 95 Issue 15, p152515
Academic Journal
We present a study of exchange bias in ferromagnet/antiferromagnet/ferromagnet (FM/AFM/FM) trilayers, with in-plane and out-plane easy axes. Using element-specific x-ray magnetic circular dichroism, we demonstrate that simultaneous in-plane and out-of-plane exchange bias can be induced using a single antiferromagnet and zero field cooling, whereas field cooling only induces exchange bias to the layer with easy axis parallel to the cooling field. Our results further evidence the presence of pinned uncompensated moments in both the FM and AFM layers, implying that the AFM layer is capable of supporting uncompensated spins in two orthogonal directions at the same time.


Related Articles

  • Application of magnetically perturbed time-dependent density functional theory to magnetic circular dichroism: Calculation of B terms. Seth, Michael; Krykunov, Mykhaylo; Ziegler, Tom; Autschbach, Jochen; Banerjee, Arup // Journal of Chemical Physics;4/14/2008, Vol. 128 Issue 14, p144105 

    Magnetically perturbed time-dependent density functional theory is applied to the calculation of the magnetic circular dichroism (MCD) B terms of closed shell molecules. Two approaches to evaluating B term parameters are described: a sum-over-states–type approach and an approach based on...

  • A Measurement System For Circular Dichroism In Soft X-ray Absorption Using Helicity Switching By Twin Helical Undulators. Muro, T.; Saitoh, Y.; Kimura, H.; Matsushita, T.; Nakatani, T.; Takeuchi, M.; Hirono, T.; Kudo, T.; Nakamura, T.; Wakita, T.; Kkobayashi, K.; Hara, T.; Shirasawa, K.; Kitamura, H.; Warwick, T. // AIP Conference Proceedings;2004, Vol. 705 Issue 1, p1051 

    A measurement system for circular dichroism (CD) of soft X-ray absorption has been developed using helicity switching of circularly polarized radiation by twin helical undulators at BL25SU of SPring-8. Difference of horizontal spot positions between the negative- and positive-helicity light at...

  • Use of a synchronization card for XMCD measurements at the XMaS Beamline. Bouchenoire, L.; Brown, S. D.; Thompson, P. B. J.; Hase, T. P. A.; Normile, P.; Bikondoa, O.; Hino, R.; Guijarro, M.; Stewart, M.; Cain, M. G.; Kervin, J. // AIP Conference Proceedings;6/24/2010, Vol. 1234 Issue 1, p867 

    X-ray Magnetic Circular Dichroism (XMCD) spectra from a 5 μm polycrystalline Gd foil were measured in transmission across the Gd L2,3 edges using the Multipurpose Unit for Synchronisation, Sequencing and Triggering (MUSST) card developed at the European Synchrotron Radiation Facility (ESRF)....

  • Fine structure of X-ray magnetic circular dichroism for early 3d transition metals. Scherz, A.; Wende, H; Baberschke, K. // Applied Physics A: Materials Science & Processing;2004, Vol. 78 Issue 6, p843 

    We have performed a systematic study of the L[sub 2,3] absorption fine structure along the 3d transition metals using X-ray magnetic circular dichroism. This is of importance since the decreased spin–orbit splitting for the early 3d transition metals results in stronger electron...

  • Recent Progress In The Computation Of Non Linear Optica Properties of Chiral Systems. Rizzo, Antonio // AIP Conference Proceedings;11/29/2007, Vol. 963 Issue 1, p379 

    An account is given of the recent progresses observed in the theoretical and computational prediction of non linear frequency-dependent properties of systems involving molecules with chiral centers or immersed in a chiral environment. The discussion will cover the analysis of the two-photon...

  • XMCD experimental station optimized for ultrathin magnetic films at HiSOR-BL14. Sawada, Masahiro; Ueno, Tetsuro; Tagashira, Tetsuro; Namatame, Hirofumi; Taniguchi, Masaki // AIP Conference Proceedings;6/24/2010, Vol. 1234 Issue 1, p939 

    We have constructed a system for in situ X-ray magnetic circular dichroism (XMCD) measurements of ultrathin magnetic films at the soft X-ray beamline HiSOR-BL14 at Hiroshima Synchrotron Radiation Center. The XMCD experimental station is directly connected to the beamline, and equipped with a...

  • Ab initio calculation of the C/D ratio of magnetic circular dichroism. Seth, Michael; Ziegler, Tom; Autschbach, Jochen // Journal of Chemical Physics;3/1/2005, Vol. 122 Issue 9, p094112 

    A procedure for calculating the magnetic circular dichroism C/D ratio from density functional theory calculations is discussed. The method is simplified considerably through the application of group theory and the irreducible-tensor method and only requires integrals of the magnetic dipole...

  • Magnetic microstructures of neodymium in Nd2Fe14B permanent magnet by hard x-ray magnetic-circular dichroism using focused x-ray beam. Ueda, Kazuhiro; Nambu, Akira; Yoneyama, Akio; Sugawara, Akira; Heike, Seiji; Hashizume, Tomihiro; Suzuki, Hiroyuki; Komuro, Matahiro // Applied Physics Letters;7/12/2010, Vol. 97 Issue 2, p022510 

    Magnetic microstructures of neodymium (Nd) in a Nd–Fe–B magnet were investigated by the hard x-ray magnetic circular dichroism (HXMCD) with a focused synchrotron circular-polarized beam (<2 μm). Magnetic domain and Nd concentration were simultaneously acquired by measuring Nd...

  • The Third Magnetic Phase of GaGdN Detected by SX-MCD. Takahashi, M.; Hiromura, Y.; Emura, S.; Nakamura, T.; Zhou, Y. K.; Hasegawa, S.; Asahi, H. // AIP Conference Proceedings;1/4/2010, Vol. 1199 Issue 1, p411 

    Magnetic circular dichroism (MCD) under the transition between the core levels (3d–4f) of Gd+3 ion in diluted magnetic semiconductor GaGdN is observed in the energy range of 1160–1240 eV. The intensity of the MCD signals reaches up to 30% at 15 K, suggesting strong magnetic...


Read the Article


Sorry, but this item is not currently available from your library.

Try another library?
Sign out of this library

Other Topics