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Impact of In^(3+) cations on structure and electromagnetic state of m-type hexaferrites

Journal of Energy Chemistry 2022年第6期31卷 667-676,I0018页

作者： Vitalii alexandrovich Turchenko Sergei Valentnovich Trukhanov Vladmir Grigor'evich Kostishin Francua Damay Florance Porcher Denis Sergeevich Klygach maxim Grigor'evich Vakhitov Lyudmila Yur'evna matzui Olena Sergeevna Yakovenko Bernat Bozzo Ignasi Fina munirah Abdullah Almessiere Yassine Slimani Abdulhadi Baykal Di Zhou alex Valentinovich Trukhanov Joint Institute for Nuclear Research 6 Joliot-Curie Str.Dubna 141980Russia South Ural State University 76Lenin Av.Chelyabinsk 454080Russia Donetsk Institute of Physics and Technology named after O.O.Galkin of the nasU 46 Nauki Av.Kiev 03680Ukraine SSPA“Scientific and Practical materials Research Centre of nas of Belarus” 19 P.Brovki str.Minsk 220072Belarus National University of Science and Technology“mISiS” Leninsky av.4Moscow 119049Russia Laboratoire Leon Brillouin UMR12 CEA-CNRSB̂at.563 CEA SaclayGif sur YvetteCedex 91191France Ural Federal University named after the First President of Russia B.N.Yeltsin Yekaterinburg 620002Russia Taras Shevchenko National University of Kyiv Volodymyrs’ka str.64/13Kyiv 01601Ukraine Institut de Ciencia de materials de Barcelona-CSIC Campus de la UABBellaterraBarcelona 08193Spain Department of Biophysics Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam 31441Saudi Arabia Department of Nanomedicine Institute for Research and Medical Consultations(IRMC)Imam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam 31441Saudi Arabia Electronic materials Research Laboratory Key Laboratory of the Ministry of Education&International Center for Dielectric ResearchSchool of Electronic Science and EngineeringXi’an Jiaotong UniversityXi'an 710049ShannxiChina Department of Physics College of ScienceImam Abdulrahman Bin Faisal UniversityP.O.Box 1982Dammam 31441Saudi Arabia

The solid solutions of In^(3+) doped m-type strontium hexaferrites were produced using a conventional solid-state reaction method,and rietveld analysis of the neutron diffraction patterns was ***^(3+) cations occupy octahedral (4f_(Ⅵ)and 12 k) and tetrahedral (4f_(Ⅳ)) positions (SG=P6_(3)/mmc(No.194)).The average particle size is 837–650 *** tempearature (T_(C)) of the compounds monotonically decreased down to~520 K with increasing x.A frustrated magnetic state was detected from ZFC and FC *** magnetization (m_(s)) and effective magnetocrystalline anisotropy coefficient (k_(eff)) were determined using the law of approach to saturation.A real permittivity (ε″) maximum of~3.3 at~45.5 GHz and an imaginary permittivity (ε′) of~1.6 at~42.3 GHz were observed for x=0.1.A real permeability (μ′) maximum of~1.5 at~36.2 GHz was observed for x=0.Aμ″imaginary permeability maximum of~0.8 at~38.3 GHz was observed for x=*** interpretation of the results is based on the type of dielectric polarization and the natural ferromagnetic resonance features.

关键词： Doped strontium hexaferrites Neutron powder diffraction magnetic properties Permittivity Permeability

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