期刊
JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
卷 33, 期 18, 页码 14663-14671出版社
SPRINGER
DOI: 10.1007/s10854-022-08385-5
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资金
- National Natural Science Foundation of China [51872004]
- Education Department of Anhui Province [KJ2018A0039]
- Key Research and Development Plan of Anhui Province [201904a05020038, 202003a05020051, S202003c08020029]
This study presents the preparation of Sr-Sn substituted Y3-xSrxFe5-xSnxO12 ferrite using the solid-state reaction method and analyzes the phase, microstructure, and magnetic properties. The experimental results demonstrate the relative influence of Sr-Sn doping on A-d exchange and grain growth, and verify the relationship between the linewidth and related factors.
Yttrium iron garnet (YIG) ferrite has become an important microwave magnetic material due to its superior magnetic and wide range of applications. Sr-Sn substituted Y3-xSrxFe5-xSnxO12 (x = 0.02-0.3) ferrite produced by solid-state reaction method. The phase, microstructure and magnetic properties of the powders were analyzed. The actual data explains the relative influence of Sr-Sn doping on A-d exchange and grain growth. This paper quote double magneton scattering theory to give the polycrystalline linewidth composing of anisotropy linewidth Delta H-a and porosity linewidth Delta H-p. The theoretical change of the line width is obtained, and the close relationship between the line width and related factors is verified. The sample of Y2.85Sr0.15Fe4.85Sn0.15O12 shows excellent properties which are 4 pi M-s = 1953 Gs,Delta H = 32 Oe.
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