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Single crystal synthesis and magnetic properties of Co²⁺-substituted and non-substituted magnetoplumbite-type Na–La ferrite

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  • معلومة اضافية
    • Contributors:
      和氣, 剛; 田畑, 吉計; 中村, 裕之; 00343244; 00202218
    • بيانات النشر:
      Academic Press Inc.
    • الموضوع:
      2020
    • Collection:
      Kyoto University Research Information Repository (KURENAI) / 京都大学学術情報リポジトリ
    • نبذة مختصرة :
      Single crystals of magnetoplumbite-type Na–La ferrite with and without Co doping were grown by the flux method. Wave length dispersive X-ray analysis reveals that Na and La are present in the ratio of Na/La = 0.25–0.41, and Co is successfully substituted for Fe. Magnetization measurements using single crystals indicate uniaxial magnetic anisotropy in these materials. A metamagnetic transition for the hard-axis magnetization was observed in non Co²⁺-substituted samples at around 7 kOe due to the magnetic free energy double minima originating from the Fe²⁺ ion. The successful introduction of Co²⁺ enhances the uniaxial magnetic anisotropy favorable for permanent magnets.
    • File Description:
      application/pdf
    • ISSN:
      0022-4596
      1095-726X
    • Relation:
      http://hdl.handle.net/2433/245250; Journal of Solid State Chemistry; 121071
    • الدخول الالكتروني :
      http://hdl.handle.net/2433/245250
    • Rights:
      © 2020. This manuscript version is made available under the CC-BY-NC-ND 4.0 license http://creativecommons.org/licenses/by-nc-nd/4.0/. ; The full-text file will be made open to the public on 1 February 2022 in accordance with publisher's 'Terms and Conditions for Self-Archiving'. ; This is not the published version. Please cite only the published version. ; この論文は出版社版でありません。引用の際には出版社版をご確認ご利用ください。
    • الرقم المعرف:
      edsbas.3AA5596C