ABSENCE OF A MARTENSITIC PHASE-TRANSFORMATION (EVEN AN EMBRYONIC PHASE) IN POTASSIUM AS DETERMINED BY AN ULTRASOUND STUDY

被引：6

作者：

KUBINSKI, D ^{[1
]}

TRIVISONNO, J ^{[1
]}

机构：

[1] JOHN CARROLL UNIV,DEPT PHYS,CLEVELAND,OH 44118

来源：

PHYSICAL REVIEW B | 1993年 / 47卷 / 02期

关键词：

D O I：

10.1103/PhysRevB.47.1069

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The temperature dependence and magnetic-field dependence of the nonlocal generation of ultrasound were measured between 1.8 and 25 K in high-quality potassium single crystals. The wave associated with the elastic constant C', which is extremely sensitive to any structural phase transformation, was studied. These electromagnetic-generation experiments clearly show that no anomalies in the elastic behavior occur, either in the bulk or within the skin depth. These measurements lend no support to the existence of a martensitic phase transformation or to the existence of an embryonic martensitic state in stress-free bulk potassium single crystals or within the skin depth of these crystals.

引用

页码：1069 / 1072

页数：4

共 28 条

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