On the study of the solid-solid phase transformation of TlBiTe2

被引：5

作者：

Chrissafis, K ^{[1
]}

Vinga, ES ^{[1
]}

Paraskevopoulos, KM ^{[1
]}

Polychroniadis, EK ^{[1
]}

机构：

[1] Aristotle Univ Thessaloniki, Dept Phys, Solid State Phys Sect, GR-54006 Thessaloniki, Greece

来源：

PHYSICA STATUS SOLIDI A-APPLIED RESEARCH | 2003年 / 196卷 / 02期

关键词：

D O I：

10.1002/pssa.200306443

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The narrow gap semiconductor TlBiTe2 undergoes a solid-solid phase transformation from the rhombohedral (D-3d) to the cubic (O-h) phase. The present paper deals with the study of this phase transformation combining the results of Differential Scanning Calorimetry (DSC) and Transmission Electron Microscopy (TEM). It has been found that during heating the transformation is an athermal activated process, which can be described only by a combination of more than one processes while during cooling it exhibits an expectable thermal hysteresis due to the volume difference. The results of the kinetic analysis combined with the electron microscopy findings, supported also by the Fourier Transform Infrared (FTIR) spectroscopy ones, lead to the conclusion that TlBiTe2 undergoes a multiple-step, displacive, martensitic type transformation.

引用

页码：515 / 522

页数：8

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