The influence of Fe impurities on the annealing of OH–Li complexes in ZnO

The influence of Fe impurities on the annealing of OH–Li complexes in ZnO
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Fe杂质对ZnO中OH-Li配合物退火的影响

DOI:
10.1002/pssb.201552441
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发表时间:
2016
期刊:
physica status solidi (b)
影响因子:
--
通讯作者:
B. Svensson
B. Svensson
中科院分区:
--
文献类型:
--
作者:
F. Herklotz;K. M. Johansen;A. Galeckas;T. N. Sky;B. Svensson

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研究了 ZnO 中 OH−LiZn 中心的退火行为,该行为导致 3577cm−1 处的局部振动模式。红外吸收测量证实了之前的发现,即中心在高于约 500°C 的温度下已经解离,并且高达 1250°C 的表观稳定性是由于 Li Zn 有效地重新捕获 H。二次离子质谱数据表明,Fe 杂质阻止了 OH−LiZn 解离后的重组。 Fe-Li复合物的形成被认为是这种行为的主要机制。
The annealing behavior of the OH−LiZn center in ZnO, which leads to a local vibrational mode at 3577cm−1 , has been studied. Infrared absorption measurements confirm the previous findings that the center dissociates already at temperatures higher than about 500 ∘ C and an apparent stability up to 1250 ∘ C is due to efficient retrapping of H by Li Zn . Secondary ion mass spectrometry data indicate that Fe impurities prevent a reformation of OH−LiZn after dissociation. The formation of Fe −Li complexes is proposed as a prevailing mechanism for this behavior.
DOI: 10.1063/1.4865667
发表时间: 2014
期刊:
影响因子: --
作者:
S. G. Koch;E. V. Lavrov;J. Weber
通讯作者: J. Weber