用溶胶-凝胶自蔓延燃烧法制备(Ni0.21Zn0.58Cu0.23)Fe1.95O4铁氧体,研究了煅烧工艺对(Ni0.21Zn0.58Cu0.23)Fe1.95O4铁氧体品质因数及相关磁性能的影响.结果表明,730℃煅烧可以有效地降低不充分燃烧中出现的杂质相,促进烧结过程中的固相反应,形成高密度和理想显微组织,提高磁性能.在1MHz频率下,煅烧样品的品质因数高达135,为未煅烧样品的4倍多.
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