掺铁氮化氧铝的相组成及光学性能

IF 0.9 4区 材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY
A. V. Ishchenko, N. S. Akhmadullina, D. A. Pastukhov, I. I. Leonidov, V. P. Sirotinkin, A. S. Lysenkov, O. N. Shishilov, Yu. F. Kargin
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引用次数: 0

摘要

本文介绍了在0.01 ~ 5.0(相对于铝)浓度范围内掺杂铁离子的Al5O6N氮化铝的合成、相组成和光学性能。所有的样品都是由Al2O3、AlN和Fe2O3的混合物在1750℃的流动氮气中烧制而成,由几乎纯相的γ-AlON组成,含有少量的氮化铝和不明相。AlON:Fe的带隙Eg随Fe浓度的变化而变化,其范围为5.76 ~ 5.88 eV。我们确定了AlON:Fe的发光是由天然缺陷和外源发射中心引起的,并测量了发射带的发光强度与AlON中Fe浓度的关系。铁在AlON中的存在导致材料的光吸收增加和本征发光强度降低。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Phase Composition and Optical Properties of Fe-Doped Aluminum Oxynitride

Phase Composition and Optical Properties of Fe-Doped Aluminum Oxynitride

This paper presents results on the synthesis, phase composition, and optical properties of Al5O6N aluminum oxynitride doped with Fe ions in a broad concentration range: from 0.01 to 5.0 at % (relative to aluminum). All of the samples, prepared by firing mixtures of Al2O3, AlN, and Fe2O3 at a temperature of 1750°C in flowing nitrogen, consisted of almost phase-pure γ-AlON, with small amounts of aluminum nitride and unidentified phases. The band gap Eg of AlON:Fe depends on Fe concentration and ranges from 5.76 to 5.88 eV. We have identified AlON:Fe luminescence due to native defects and extrinsic emission centers and measured the luminescence intensity of emission bands as a function of Fe concentration in AlON. The presence of Fe in AlON leads to an increase in optical absorption and a decrease in intrinsic luminescence intensity in the material.

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来源期刊
Inorganic Materials
Inorganic Materials 工程技术-材料科学:综合
CiteScore
1.40
自引率
25.00%
发文量
80
审稿时长
3-6 weeks
期刊介绍: Inorganic Materials is a journal that publishes reviews and original articles devoted to chemistry, physics, and applications of various inorganic materials including high-purity substances and materials. The journal discusses phase equilibria, including P–T–X diagrams, and the fundamentals of inorganic materials science, which determines preparatory conditions for compounds of various compositions with specified deviations from stoichiometry. Inorganic Materials is a multidisciplinary journal covering all classes of inorganic materials. The journal welcomes manuscripts from all countries in the English or Russian language.
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