Crystal-quasicrystal structural transition in Al_(65)Cu_(22)Fe_(13)

I.V. Rakchoun; A.P. Menushenkov; D.S. Chaitoura; K.V. Klementev; A.A. Teplov; M.N. Mikheeva

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Crystal-quasicrystal structural transition in Al_(65)Cu_(22)Fe_(13)

机译：Al_（65）Cu_（22）Fe_（13）中的晶体-准晶体结构转变

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摘要

Crystal and quasicrystal Al_(65)Cu_(22)Fe_(13) local structure peculiarities were studied by EXAFS spectroscopy at a wide temperature range of 20-300 K. The model of slightly altered crystal prephase structure is proposed to describe Cu local environment. It is shown that the rearrangement of Fe environment to icosahedral ordering takes place. It may be caused by Fe and Al atom replacement.

机译：通过EXAFS光谱技术研究了晶体和准晶体Al_（65）Cu_（22）Fe_（13）的局部结构特性。提出了一种微变化的晶体前相结构模型，以描述Cu的局部环境。结果表明，铁的环境发生了二十面体有序的重排。这可能是由于Fe和Al原子置换引起的。

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来源
《Nuclear Instruments & Methods in Physics Research. Section A, Accelerators, Spectrometers, Detectors and Associated Equipment》 |2005年第1期|p.208-211|共4页
作者
I.V. Rakchoun; A.P. Menushenkov; D.S. Chaitoura; K.V. Klementev; A.A. Teplov; M.N. Mikheeva;
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作者单位

Physical Institute (State University), Kashirskoe shosse 31, 115409 Moscow, Russia;

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原文格式 PDF
正文语种 eng
中图分类计量学;原子能技术;原子核物理学、高能物理学;
关键词
EXAFS-spectroscopy; icosahedral quasicrystal;

机译：EXAFS光谱;二十面体准晶体;

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Crystal-quasicrystal structural transition in Al_(65)Cu_(22)Fe_(13)

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