Liquid-Liquid Phase Transition in Supercooled Yttria-Alumina

被引：53

作者：

Barnes, Adrian C. ^{[1
]}

Skinner, Lawrie B. ^{[1
]}

Salmon, Philip S. ^{[2
]}

Bytchkov, Alexei ^{[3
]}

Pozdnyakova, Irina ^{[4
]}

Farmer, Thomas O. ^{[1
]}

Fischer, Henry E. ^{[5
]}

机构：

[1] Univ Bristol, HH Wills Phys Lab, Bristol BS8 1TL, Avon, England

[2] Univ Bath, Dept Phys, Bath BA2 7AY, Avon, England

[3] European Synchrotron Radiat Facil, F-38043 Grenoble, France

[4] Univ Orleans, CNRS, CEMHTI, F-45071 Orleans 2, France

[5] Inst Max Von Laue Paul Langevin, F-38042 Grenoble, France

来源：

PHYSICAL REVIEW LETTERS | 2009年 / 103卷 / 22期

基金：

英国工程与自然科学研究理事会;

关键词：

PHOSPHORUS; SEPARATION; AL2O3-Y2O3; GLASSES; DENSITY; SYSTEM; WATER;

D O I：

10.1103/PhysRevLett.103.225702

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The structure and thermal characteristics of aerodynamically levitated samples of yttria-alumina in the liquid, supercooled liquid and solid phases were explored in an extensive series of high energy x-ray diffraction, small angle neutron scattering, and pyrometric cooling measurements. Particular focus was placed on the compound (Y(2)O(3))(x)(Al(2)O(3))(1-x) with x=0.2 for which a liquid-liquid phase transition at a temperature of 1788 K has recently been reported. No structural or thermal signature in support of this metastable phase transition could be found.

引用

页数：4

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[1] Comment on "Liquid-Liquid Phase Transition in Supercooled Yttria-Alumina"
Greaves, G. N.
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[2] Comment on "Liquid-Liquid Phase Transition in Supercooled Yttria-Alumina" Reply
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