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首页> 外文期刊>Materials Science and Engineering >Exploration of crystal structure, magnetic and dielectric properties of titanium-barium hexaferrites
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Exploration of crystal structure, magnetic and dielectric properties of titanium-barium hexaferrites

机译：钛钡六氧化钛晶体结构的晶体结构，磁性和介电性能

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摘要

The BaFe_(12-x)Ti_xO_(19) hexaferrites up to x = 3.00 were extended. XRD patterns were Rietveld fitted for P6_3/mmc (no. 194) space group and the unit cell parameters were defined. The a parameter and V volume of unit cell change non-monotonically with × while the c parameter has linear behavior. The Ti~(4+) cations substitute the Fe~(3+) cations in the 2a, 4f_(Ⅵ) and 12 k octahedral positions. This is confirmed by the Moessbauer spectroscopy. M_s spontaneous magnetization was determined with the law of approach to saturation from field magnetization at 5 K and 300 K. The ε~/ real part of the permittivity increases constantly with increasing temperature and decreases with frequency. The main objective of this study is an interpretation of the magnetic and dielectric properties of the titanium-barium hexaferrites which has performed in frame of breakdown of Fe~(3+) - O~(2-) - Fe~(3+/2+)(Ti~(4+)) indirect superexchange interactions taking into account the positions occupation.
机译：BAFE_（12-x）TI_XO_（19）延长了x = 3.00的六发术部。 XRD图案是针对P6_3 / MMC（NO.194）空间组的RIETVELD，定义了单位细胞参数。 单位单元的参数和V卷在C参数具有线性行为的同时，非单调地变化。 Ti〜（4+）阳离子替代2A，4F_（ⅵ）和12 k八面体位置的Fe〜（3+）阳离子。 这是由Moessbauer光谱证实的。 利用5 k和300k的现场磁化法确定了自发磁化的方法。ε〜/实部的介电常数不断增加，随着温度的增加和频率降低。 本研究的主要目的是在Fe〜（3+） - O〜（2-） - FE〜（3 + / 2的粒度框架中进行的钛 - 钡六升流石的磁性和介电性质的解释。（2-） - FE〜（3 + / 2 +）（TI〜（4+））间接超速相互作用考虑到职业。

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  • 来源
    《Materials Science and Engineering》 |2021年第10期|115345.1-115345.11|共11页
  • 作者

    S.V. Trukhanov; T.I. Zubar; V.A. Turchenko; An.V. Trukhanov; T. Kmjec; J. Kohout; L. Matzui; O. Yakovenko; D.A. Vinnik; A.Yu. Starikov; V.E. Zhivulin; A.S. B. Sombra; D. Zhou; R.B. Jotania; C. Singh; A.V. Trukhanov;

  • 作者单位

    Scientific Practical Materials Research Centre of NAS of Belarus 220072 Minsk P. Brovki str. 19 Russia South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia National University of Science and Technology 'MISiS' 119049 Moscow Leninsky av. 4 Russia;

    Scientific Practical Materials Research Centre of NAS of Belarus 220072 Minsk P. Brovki str. 19 Russia South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia;

    South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia Frank Laboratory of Neutron Physics Joint Institute for Nuclear Research 141980 Dubna Joliot-Curie str. 6 Russia Donetsk Institute of Physics and Technology named after O.O. Galkin of the NASU 03680 Kiev Nauki av. 46 Ukraine;

    Scientific Practical Materials Research Centre of NAS of Belarus 220072 Minsk P. Brovki str. 19 Russia South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia National University of Science and Technology 'MISiS' 119049 Moscow Leninsky av. 4 Russia;

    Faculty of Mathematics and Physics Charles University 18000 Prague 8 Czech Republic;

    Faculty of Mathematics and Physics Charles University 18000 Prague 8 Czech Republic;

    Physics Department Taras Shevchenko National University 01601 Kiev Volodymyrska str. 64/13 Ukraine;

    Physics Department Taras Shevchenko National University 01601 Kiev Volodymyrska str. 64/13 Ukraine;

    South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia;

    South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia;

    South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia;

    Department of Physics Federal University of Ceara Fortaleza Ceara 60-455-970 Brazil;

    Electronic Materials Research Laboratory Key Laboratory of the Ministry of Education & International Center for Dielectric Research School of Electronic Science and Engineering Xi'an Jiaotong University Xi'an 710049 China;

    Department of Physics Electronics and Space Science Gujarat University Gujarat Ahmedabad 380009 India;

    School of Electronics and Electrical Engineering Lovely Professional University Phagwara Punjab 144411 India;

    Scientific Practical Materials Research Centre of NAS of Belarus 220072 Minsk P. Brovki str. 19 Russia South Ural State University 454080 Chelyabinsk Lenin av. 76 Russia National University of Science and Technology 'MISiS' 119049 Moscow Leninsky av. 4 Russia;

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  • 正文语种 eng
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  • 关键词

    Titanium doped barium hexaferrites; Crystal structure; Rietveld fitting; Magnetic crystal anisotropy coefficient; Permittivity; Tangent loss;

    机译：钛掺杂钡六氧化钡;晶体结构;Rietveld配件;磁性各向异性系数;介质;切线损失;

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