Charge and heat transfer of the Ti3AlC2 MAX phase

被引：13

作者：

Vovk, R. V. ^{[1
,2
]}

Khadzhai, G. Ya ^{[1
]}

Prikhna, T. A. ^{[3
]}

Gevorkyan, E. S. ^{[2
]}

Kislitsa, M. V. ^{[2
]}

Soloviev, A. L. ^{[4
]}

Goulatis, I. L. ^{[1
]}

Chroneos, A. ^{[5
,6
]}

机构：

[1] Kharkov Natl Univ, 4 Svoboda Sq, UA-61022 Kharkov, Ukraine

[2] Ukrainian State Univ Railway Transport, 7 Feuerbach Sq, UA-61050 Kharkov, Ukraine

[3] Natl Acad Sci Ukraine, V Bakul Inst Superhard Mat, 2 Avtozavodska St, UA-04074 Kiev, Ukraine

[4] Natl Acad Sci Ukraine, B Verkin Inst Low Temp Phys & Engn, 47 Nauky Ave, UA-61103 Kharkov, Ukraine

[5] Coventry Univ, Fac Engn Environm & Comp, Priory St, Coventry CV1 5FB, W Midlands, England

[6] Imperial Coll London, Dept Mat, London SW7 2AZ, England

来源：

JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS | 2018年 / 29卷 / 13期

关键词：

PHYSICAL-PROPERTIES;

D O I：

10.1007/s10854-018-9242-6

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

The electrical and thermal conductivity of the sample containing 97% by volume of the Ti3AlC2 MAX phase and 3% volume TiC was experimentally studied in the temperature range 15-300 K. The temperature dependence of the electrical resistance is approximated by a relation that takes into account the scattering of electrons by phonons and defects. The temperature dependence of the thermal conductivity shows a maximum at about 75 K. In the region of elastic scattering of electrons, the phonon and electron heat transfer are separated. With increasing temperature, the fraction of phonon heat transfer decreases from similar to 90% at low temperatures to similar to 40% near room temperature.

引用

页码：11478 / 11481

页数：4

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