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采用溶膠-凝膠自燃法制備Ni0.35Zn0.65Fe2O4粉末，研究引燃溫度對(duì)燃燒產(chǎn)物性能的影響。用X射線衍射儀（XRD）和振動(dòng)樣品磁強(qiáng)計(jì)（VSM）對(duì)粉末的物相和磁性能進(jìn)行了表征。凝膠自燃后的粉體具有單一的尖晶石型NiZn鐵氧體相，粉末顆粒尺寸約20nm，比飽和磁化強(qiáng)度隨自燃溫度的提高而提高，引燃溫度為400℃比飽和磁化強(qiáng)度達(dá)70.2A•m2/kg，說(shuō)明凝膠自燃法可直接制備出納米鐵氧體粉末。 Nickel-zinc ferrite Ni0.35Zn0.65Fe2O4 powers are synthesized by sol-gel auto-combustion synthesis. The effects of ignition temperature on ferrite products character were investigated. The structure and magnetic property are studied by means of XRD and VSM. The results show that spinel nickel-zinc ferrite powders can be successfully prepared in the conditions of ignition temperature 400℃, the powder particles size are approximately 20nm, the saturation magnetization is up to ７０．２ A•m2/kg, Sol-gel auto-combustion method can prepare directly nickel-zinc ferrite powder with well magnetic property. 自己譯的，部分還沒(méi)對(duì)應(yīng)，可能不是很專業(yè)。請(qǐng)蟲蟲看看提出意見 [ Last edited by wjh522996 on 2012-1-15 at 18:04 ] |
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【答案】應(yīng)助回帖
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愛(ài)與雨下(金幣+1): 2012-01-16 11:00:16
愛(ài)與雨下(金幣+1): 2012-01-16 11:00:24
愛(ài)與雨下: 鼓勵(lì)新蟲！~ 2012-01-16 11:00:35
sltmac(金幣+20, 翻譯EPI+1): 2012-02-04 10:10:15
愛(ài)與雨下(金幣+1): 2012-01-16 11:00:16
愛(ài)與雨下(金幣+1): 2012-01-16 11:00:24
愛(ài)與雨下: 鼓勵(lì)新蟲！~ 2012-01-16 11:00:35
sltmac(金幣+20, 翻譯EPI+1): 2012-02-04 10:10:15
| Nickel-zinc ferrite Ni0.35Zn0.65Fe2O4 powers are synthesized by sol-gel auto-combustion synthesis method, The effects of ignition temperature on ferrite products character were investigated. The structure and magnetic property are studied using XRD and VSM. The results show that spinel nickel-zinc ferrite powders can be successfully prepared in the conditions of ignition temperature 400℃, the size of powder particles is approximately 20nm, the saturation magnetization is up to ７０．２ A•m2/kg, which means that spinel nickel-zinc ferrite powders can be prepare directly by Sol-gel auto-combustion method . |
2樓2012-01-16 09:41:25
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