Non-Isothermal Crystallization Kinetics and Microwave Properties of Bi1.0Y2.0Fe5O12 Prepared by Coprecipitation
スポンサーリンク
概要
- 論文の詳細を見る
The non-isothermal crystallization kinetics of Bi1.0Y2.0Fe5O12 powder prepared by coprecipitation has been investigated. The activation energy of crystallization was calculated by differential scanning calorimetry (DSC) at different heating rates. Analysis of non-isothermal DSC data presented values of 634 kJ/mol and 2.33 for the activation energy of crystallization and the Avrami exponent, respectively. This Avrami exponent value was consistent with surface and internal crystallizations occurring simultaneously. The complex permittivity and permeability of Bi1.0Y2.0Fe5O12 were measured at X-band (8–12 GHz) by cavity perturbation. For dielectric properties, the real part of permittivity, $\varepsilon'$, was obtained in the range of 13.44–15.26. For magnetic properties, the real part of permeability, $\mu'$, was obtained in the range of 21.39–12.17.
- Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
- 2007-10-15
著者
-
Hung Dung-shing
Department Of Information And Telecommunications Engineering Ming Chuan University
-
Fu Yen-pei
Department Of Materials Science And Engineering National Dong Hwa University
-
Yao Yeong-Der
Department of Materials Engineering, Tatung University, Taipei 104, Taiwan
-
Cheng Chih-Wen
Department of Materials Science and Engineering, National Dong Hwa University, Shou-Feng, Hualien 974, Taiwan
-
Tsai Feng-Yi
Department of Materials Science and Engineering, National Dong Hwa University, Shou-Feng, Hualien 974, Taiwan
-
Hung Dung-Shing
Department of Information and Telecommunications Engineering, Ming Chuan University, Taipei 111, Taiwan
関連論文
- Microwave frequency anomaly study in Fe/Ag/Fe/Ag epitaxial films
- Magnetic-Relaxation Behavior of (Tl_Pb_)(Sr_Nd_)CaCu_2O_7 Superconducting Material : Superconductors
- Spin-Glass Freezing above the Ordering Temperature for the Kondo Antiferromagnet CeNi_2Sn_2 : Magnetism
- A Novel Ni/WOX/W Resistive Random Access Memory with Excellent Retention and Low Switching Current
- Tape Casting and Crystallization Kinetics of Ce0.8Y0.2O1.9
- Ni–Cu–Zn Ferrite Powder Prepared from Steel Pickled Liquor and Electroplating Waste Solutions
- Preparation and Magnetic Properties of Ni0.36Zn0.64 Ferrite from Microwave-Induced Combustion
- Fe/Ba Ratio Effect on Magnetic Properties of Barium Ferrite Powders Prepared by Microwave-Induced Combustion
- Non-Isothermal Crystallization Kinetics and Microwave Properties of Bi1.0Y2.0Fe5O12 Prepared by Coprecipitation
- Microwave-Induced Combustion Synthesis and Ion Conductivity of Ce1-xLaxO2-1/2x Ceramics
- Characterization of Li0.5Fe2.5-xCrxO4 Ferrite Sintered from Microwave-Induced Combustion
- Mn–Zn Ferrite Powder Preparation by Hydrothermal Process from Used Dry Batteries