首页> 外文会议>Symposium on Quasicrystals held November 30-December 2,1998,Boston,Massachusetts,U.S.A. >A new series of Al-Pd-based ordered icosahedral quasicrystals and their electrical resistivities
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A new series of Al-Pd-based ordered icosahedral quasicrystals and their electrical resistivities

机译:Al-Pd基有序二十面体准晶体的新系列及其电阻率

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摘要

X-ray measurements on smaples of Al-Pd-(Fe,Ru,Os) systems with various annealing temperatures and times have been performed in order to gain insights into formations of icosahedral (I) phases and related approximants and to produce single phases of them.As a result,well ordered I phases have been obtaiend in Al-Pd-(Ru,Os) systems when annealed at 1000 deg C for several hours.Formations of the (1/0-1/0-1/0) and the (2/1-2/1-2/1) approximants ahve been observed in wide compositional ranges in Al-Pd-(Fe,Ru,Os) and Al-Pd-(Ru,Os) systems,respectively.
机译:为了获得对二十面体(I)相和相关近似物的形成的了解,并产生单相的二十面体,对具有不同退火温度和时间的Al-Pd-(Fe,Ru,Os)系统的样品进行了X射线测量。结果,当在1000摄氏度下退火几个小时时,Al-Pd-(Ru,Os)体系中获得了有序的I相。(1 / 0-1 / 0-1 / 0)的形成分别在Al-Pd-(Fe,Ru,Os)和Al-Pd-(Ru,Os)体系中的宽组成范围内观察到(2 / 1-2 / 1-2 / 1)近似值。

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