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Chinese Journal of High Pressure Physics  > 2006  >  20(2): 194-201 .
LIU Xian-Song, ZHANG Cheng-Wen, ZHOU Sheng-Qiang, YIN Ping, Udi Meridor, Aviad Frydman, Aharon Gedanken. Single-Domain Nanosphere Observation and Ferromagnetic/Antiferromagnetic Coupling of Ni/NiO[J]. Chinese Journal of High Pressure Physics, 2006, 20(2): 194-201 . doi: 10.11858/gywlxb.2006.02.014
Citation: LIU Xian-Song, ZHANG Cheng-Wen, ZHOU Sheng-Qiang, YIN Ping, Udi Meridor, Aviad Frydman, Aharon Gedanken. Single-Domain Nanosphere Observation and Ferromagnetic/Antiferromagnetic Coupling of Ni/NiO[J]. Chinese Journal of High Pressure Physics, 2006, 20(2): 194-201 . doi: 10.11858/gywlxb.2006.02.014
shu

Single-Domain Nanosphere Observation and Ferromagnetic/Antiferromagnetic Coupling of Ni/NiO

doi: 10.11858/gywlxb.2006.02.014
  • 1.

    Anhui Key Laboratory of Information Materials & Devices, School of Physics & Materials Science, Anhui University, Hefei 230093, China;

  • 2.

    The Physics Department and the Minerva Center, Bar-Ilan University, Ramat Gan 52900, Israel;

  • 3.

    Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel

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  • Corresponding author: LIU Xian-Song
  • Received Date: 18 Nov 2004
  • Rev Recd Date: 13 Jan 2005
  • Publish Date: 05 Jun 2006
    Abstract
  • Magnetic force microscopy (MFM) measurements were performed on monodispersed single-domain nickel nanospheres fabricated by the microwave-assisted (MW) polyol method. As found by MFM, a relevant characteristic of these spheres with a size distribution in the 100~180 nm range is the magnetic stripe domain structure. The obtained highly globular nanostructures of NicoreNiOshell were measured by XRD, TEM, XPS, and EDAX. The ferromagnet/antiferromagnet interface coupling is discussed with the results of VSM and SQUID. The relation of the exchange-coupling field with particles sizes is evaluated.

     

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