• Acta Physica Sinica
  • Vol. 69, Issue 1, 017801-1 (2020)
Kang-Ping Ye, Wen-Jin Pei, Xiang Xi, Yin Pu, and Rui-Xin Wu*
Author Affiliations
  • School of Electronic Science and Engineering, Nanjing University, Nanjing 210023, China
  • show less
    DOI: 10.7498/aps.69.20191229 Cite this Article
    Kang-Ping Ye, Wen-Jin Pei, Xiang Xi, Yin Pu, Rui-Xin Wu. Achieving low frequency electromagnetic wave absorption by gyromagnetic ferrite[J]. Acta Physica Sinica, 2020, 69(1): 017801-1 Copy Citation Text show less
    The schematic model and the reflectivity of bulk ferrite under different magnetized methods, magnetic field intensities and polarized directions: (a) The schematic model; (b) the influence of different magnetic field intensities under longitudinal magnetization; (c) different polarized directions under transversal magnetization; (d) the influence of different magnetized methods.
    Fig. 1. The schematic model and the reflectivity of bulk ferrite under different magnetized methods, magnetic field intensities and polarized directions: (a) The schematic model; (b) the influence of different magnetic field intensities under longitudinal magnetization; (c) different polarized directions under transversal magnetization; (d) the influence of different magnetized methods.
    The unit cell and the reflectivity of transversally orthogonally magnetized ferrite: (a) The unit cell(A and B present the ferrite magnetized along y and x directions, respectively); the reflectivity of (b) TE polarization and (c) TM polarization; the size effect of (d) TE polarization and (e) TM polarization.
    Fig. 2. The unit cell and the reflectivity of transversally orthogonally magnetized ferrite: (a) The unit cell(A and B present the ferrite magnetized along y and x directions, respectively); the reflectivity of (b) TE polarization and (c) TM polarization; the size effect of (d) TE polarization and (e) TM polarization.
    Reflection of ferrites array with different element sizes in different magnetized conditions: (a) The discrete array; the influence of in (b) longitudinal magnetization; (c) transversal magnetization with TE polarization and (d) transverse magnetization with TM polarization.
    Fig. 3. Reflection of ferrites array with different element sizes in different magnetized conditions: (a) The discrete array; the influence of in (b) longitudinal magnetization; (c) transversal magnetization with TE polarization and (d) transverse magnetization with TM polarization.
    The schematic and the properties of elements combinations with different sizes: (a) Schematic of the array combined by different elements(The left shows the details of supercell1(2)); the combination of and under longitudinal magnetization (b) 200 Oe and (c) 700 Oe; (d) the combination of and under longitudinal magnetization 700 Oe; the combination of and under transversal magnetization (e) 200 Oe and (f) 700 Oe; (g) the combination of and under transversal magnetization 700 Oe.
    Fig. 4. The schematic and the properties of elements combinations with different sizes: (a) Schematic of the array combined by different elements(The left shows the details of supercell1(2)); the combination of and under longitudinal magnetization (b) 200 Oe and (c) 700 Oe; (d) the combination of and under longitudinal magnetization 700 Oe; the combination of and under transversal magnetization (e) 200 Oe and (f) 700 Oe; (g) the combination of and under transversal magnetization 700 Oe.
    Distributions of electric field, magnetic field and power loss density in the y = 0 plane of the absorption structure combined by and at two absorption peaks: (a) 1.95 GHz and (b) 3.05 GHz of longitudinal magnetization 700 Oe; (c) 1.65 GHz and (d) 2.25 GHz of transversal magnetization 700 Oe.
    Fig. 5. Distributions of electric field, magnetic field and power loss density in the y = 0 plane of the absorption structure combined by and at two absorption peaks: (a) 1.95 GHz and (b) 3.05 GHz of longitudinal magnetization 700 Oe; (c) 1.65 GHz and (d) 2.25 GHz of transversal magnetization 700 Oe.
    Distributions of power loss density in the x-y cross section (the front view): (a) 1.95 GHz and (b) 3.05 GHz of longitudinal magnetization 700 Oe; (c) 1.65 GHz and (d) 2.25 GHz of transversal magnetization 700 Oe.
    Fig. 6. Distributions of power loss density in the x-y cross section (the front view): (a) 1.95 GHz and (b) 3.05 GHz of longitudinal magnetization 700 Oe; (c) 1.65 GHz and (d) 2.25 GHz of transversal magnetization 700 Oe.
    Kang-Ping Ye, Wen-Jin Pei, Xiang Xi, Yin Pu, Rui-Xin Wu. Achieving low frequency electromagnetic wave absorption by gyromagnetic ferrite[J]. Acta Physica Sinica, 2020, 69(1): 017801-1
    Download Citation