1974
DOI: 10.1063/1.1663657
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Saturation magnetization of gallium-substituted yttrium iron garnet

Abstract: The saturation magnetization of gallium-substituted yttrium iron garnet single crystals of composition Y3[Fe2−x Gax](Fe3−y Gay) O12 with 0≤x+y≤1.5 has been investigated in the temperature range 4.2≤T≤Tc. The magnetization values are below most data of previous investigations on this system. From the fit of the molecular field theory to the experimental results at T=4.2 K the fraction of the tetrahedral gallium ions ft=y/(x+y) could be deduced and are found to range between 1 and 0.91 for 0≤x+y≤1.5. The compens… Show more

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Cited by 144 publications
(70 citation statements)
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“…For all simulations we take the same material parameters, namely μ 0 M s , 1 = 1.91 T, A = 3.76 pJ/m, α 1 = 7.7×10 −3 , α 2 = 7.2×10 −4 , γ 1 = 28.7 GHz/T and γ 2 = 27.07 GHz/T, as extracted in S4, S5, S7 [15], which are in good agreement with previous reports [2629]. The thicknesses are d 1 = 50 nm and d 2 = 1 μ m. For the YIG saturation magnetization we take the literature value μ 0 M s , 2 = 0.18 T [30]. In Fig.…”
supporting
confidence: 83%
“…For all simulations we take the same material parameters, namely μ 0 M s , 1 = 1.91 T, A = 3.76 pJ/m, α 1 = 7.7×10 −3 , α 2 = 7.2×10 −4 , γ 1 = 28.7 GHz/T and γ 2 = 27.07 GHz/T, as extracted in S4, S5, S7 [15], which are in good agreement with previous reports [2629]. The thicknesses are d 1 = 50 nm and d 2 = 1 μ m. For the YIG saturation magnetization we take the literature value μ 0 M s , 2 = 0.18 T [30]. In Fig.…”
supporting
confidence: 83%
“…The latter values are similar to the bulk YIG density of 5.17 g cm −3 . [35] The higher values of M s compared with that of bulk YIG may arise from the uncertainty of estimation of the film volume. The average surface roughness R a are 0.11 ± 0.15, 0.16 ± 0.20, and 0.32 ± 0.45 nm for GGG/YIG, SGGG/YIG, and NGG/YIG, respectively.…”
Section: Wwwadvelectronicmatdementioning
confidence: 99%
“…Пленкам ЖИГ присуща кубическая магнитная анизотро-пия. Намагниченностью насыщения и полем кубической анизотропии ЖИГ можно управлять, замещая ионы железа ионами галлия и скандия [6][7][8]. Нестабильность спектров магнитных колебаний таких пленок связана с зависимостью магнитных параметров от температу-ры и от химического состава.…”
Section: заключениеunclassified