Pressure-Induced Amorphization of Quasi Crystals

概要

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X-ray diffraction analysis urrder high pressure was perforn?ccd on the icosahedralphase of an Al.Li.Cu alloy. 'Flte icosahedral phase was isotropica1Jy compressedunder pressure, Above 10 GPa, however, a broad glassy b;tckground developed,while the diffraction peaks from the I-phase began 1.o decrease markedly in intensity.This is the first observation of pressure-induced amorphiza[iotn from the ]-phase. At28 GPa, new diffraction peaks developed from the glassy background. On release ofpressure, the new peaks disappeared but the glassy background- still remained after amonth.high pressure, icosahedral phase, amorphizatiort
社団法人日本物理学会の論文
1989-07-15