Valence state of manganese ions in the La_(1-α) BiLa_βMnLa_(1-δ) OLa_(3±γ) ceramics

Kochur A.G.; Kozakov A.T.; Nikolskii A.V.; Guglev K.A.; Pavlenko A.V.; Verbenko I.A.; Reznichenko L.A.; Shevtsova S.I.

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Valence state of manganese ions in the La_(1-α) BiLa_βMnLa_(1-δ) OLa_(3±γ) ceramics

机译：La_（1-α）BiLa_βMnLa_（1-δ）OLa_（3±γ）陶瓷中锰离子的价态

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The valence state of the Mn ions in ceramic samples of the La_(1-α) BiLa_βMnLa_(1-δ) OLa_(3±γ) composition (LBMO) has been studied using the X-ray photoelectron spectroscopy. The presence of Mn~(3+) and Mn~(4+) ions in these compounds has been shown. The relative content Mn~(3+)/Mn~(4+) has been determined by means of fitting the experimental Mn 2p spectra by the superposition of theoretical spectra of Mn~(3+) and Mn~(4+) ions. The elemental composition of the samples has been determined by the X-ray photoelectron spectroscopy and electron probe microanalysis. It has been established that the relative content of Mn~(4+) ions correlates with parameter δ, which characterizes the deviation of the actual elemental composition of the La_(1-α) BiLa_βMnLa_(1-δ) OLa_(3±γ) ceramics from stoichiometry La_(1 - x)Bi_xMnO_3.

机译：使用X射线光电子能谱研究了La_（1-α）BiLa_βMnLa_（1-δ）OLa_（3±γ）组成（LBMO）陶瓷样品中Mn离子的价态。已显示这些化合物中存在Mn〜（3+）和Mn〜（4+）离子。 Mn〜（3 +）/ Mn〜（4+）的相对含量是通过将实验的Mn 2p光谱与Mn〜（3+）和Mn〜（4+）离子的理论光谱叠加而确定的。样品的元素组成已通过X射线光电子能谱和电子探针显微分析确定。已确定Mn〜（4+）离子的相对含量与参数δ相关，该参数表征了La_（1-α）BiLa_βMnLa_（1-δ）OLa_（3±γ）的实际元素组成的偏差化学计量的La_（1-x）Bi_xMnO_3陶瓷。

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《Physics of the solid state》 |2013年第4期|共5页
作者
Kochur A.G.; Kozakov A.T.; Nikolskii A.V.; Guglev K.A.; Pavlenko A.V.; Verbenko I.A.; Reznichenko L.A.; Shevtsova S.I.;
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正文语种 eng
中图分类 53.8;
关键词
Valence; state; La_(1-α);

机译：价;状态;La_（1-α）;

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Valence state of manganese ions in the La_(1-α) BiLa_βMnLa_(1-δ) OLa_(3±γ) ceramics

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