Sr、Mg掺杂的LaGaO3是固体氧化物燃料电池(SOFCs)研制中具有应用前景的一种固体电解质材料.用固相反应法合成了不同Sr、Mg掺杂量的LaGaO3材料,通过室温XRD分析,发现2种第二相:LaSrGaO4、LaSrGa3O7,并画出了其相区结构图;显微结构研究表明,在Sr掺杂量一定的条件下,随Mg的掺杂量的增加,LaSrGa3O7相出现并呈现出长大的趋势;LSGM0510的组织中出现了棒状基体组织,随Mg掺杂量的增加,该组织逐渐消失.
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