Optical properties of europium compounds of the formulae: Eu(NCS)_3·2(N_4(CH_2)_6)·8H_2O and Eu(NO_3)_3·2(N_4(CH_2)_6)·10H_2O

M.Zalewicz; G.Oczko

首页> 外文期刊>Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics >Optical properties of europium compounds of the formulae: Eu(NCS)_3·2(N_4(CH_2)_6)·8H_2O and Eu(NO_3)_3·2(N_4(CH_2)_6)·10H_2O

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Optical properties of europium compounds of the formulae: Eu(NCS)_3·2(N_4(CH_2)_6)·8H_2O and Eu(NO_3)_3·2(N_4(CH_2)_6)·10H_2O

机译：下式的Eu化合物的光学性质：Eu（NCS）_3·2（N_4（CH_2）_6）·8H_2O和Eu（NO_3）_3·2（N_4（CH_2）_6）·10H_2O

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Optical spectra of two types of europium compounds of the formulae:Eu(NCS)_3·2(N_4(CH_2)_6)·8H_2O (1) andEu(NO_3)_3·2(N_4(CH_2)_6)·10H_2O (2) at room and lowtemperatures are reported. The probabilities of f-f transitions wereanalysed and their temperature dependencies were explained.Unusually high oscillator strength values were found, particularlyfor europium thiocyanate. Comparison of the spectroscopicproperties of the powder disc sample with the single crystal spectrawas made. Absorption and excitation spectra of the titlecompounds in the region of f-f and C-T transitions in the 4.2-293K range were studied and the vibronic components were assignedon the basis of IR and Raman data. Temperature dependence of therelative intensities of luminescence lines was examined andluminescence quenching was considered. The decay times fordeuterated and non-deuterated samples were measured and thenon-radiative processes were analysed.

机译：两种化学式的compounds化合物的光谱：Eu（NCS）_3·2（N_4（CH_2）_6）·8H_2O（1）和Eu（NO_3）_3·2（N_4（CH_2）_6）·10H_2O（2）报告在室温和低温下。分析了f-f跃迁的可能性并解释了它们的温度依赖性。发现了异常高的振子强度值，尤其是硫氰酸euro。将粉末圆盘样品的光谱性质与单晶光谱进行了比较。研究了f-f和C-T跃迁在4.2-293K范围内标题化合物的吸收光谱和激发光谱，并根据红外和拉曼光谱数据确定了振动成分。研究了发光线相对强度的温度依赖性，并考虑了发光猝灭。测量了氘代和非氘代样品的衰减时间，并分析了非辐射过程。

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《Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics》 |2000年第0期|共7页
作者
M.Zalewicz; G.Oczko;
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正文语种 eng
中图分类合金学与各种性质合金;金属材料;
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Electronic spectra; Europium thiocyanate urotropine complexes;

机译：电子光谱;硫氰酸Euro乌托品;

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2. Optical properties of europium compounds of the formulae: Eu(NCS)_3·2(N_4(CH_2)_6)·8H_2O and Eu(NO_3)_3·2(N_4(CH_2)_6)·10H_2O [J] . M.Zalewicz, G.Oczko Journal of Alloys and Compounds: An Interdisciplinary Journal of Materials Science and Solid-state Chemistry and Physics . 2000,第0期

机译：下式的Eu化合物的光学性质：Eu（NCS）_3·2（N_4（CH_2）_6）·8H_2O和Eu（NO_3）_3·2（N_4（CH_2）_6）·10H_2O
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Optical properties of europium compounds of the formulae: Eu(NCS)_3·2(N_4(CH_2)_6)·8H_2O and Eu(NO_3)_3·2(N_4(CH_2)_6)·10H_2O

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