Study of an order-disorder phase transition on an atomic scale:: The example of decagonal Al-Ni-Co quasicrystals -: art. no. 127403

被引：37

作者：

Sato, K

Baier, F

Sprengel, W

Würschum, R

Schaefer, HE

机构：

[1] Univ Stuttgart, Inst Theoret & Angew Phys, D-70550 Stuttgart, Germany

[2] Graz Univ Technol, Inst Mat Phys, A-8010 Graz, Austria

来源：

PHYSICAL REVIEW LETTERS | 2004年 / 92卷 / 12期

关键词：

D O I：

10.1103/PhysRevLett.92.127403

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

In the present paper we succeeded in studying structural phase transitions from an atomistic point of view by positron annihilation Doppler broadening. This differs and is complementary to conventionally used diffraction experiments with large coherence lengths. In the exemplary case of the 1140 K order-disorder transition in decagonal Al71.5Ni14Co14.5 quasicrystals the importance of this atomistic approach and its wide scope of application is demonstrated.

引用

页码：127403 / 1

页数：4

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