Thermal Conductivity of the Ternary Compounds: AgMTe2 and AgM5Te8 (M = Ga or In)

被引：30

作者：

Charoenphakdee, Anek ^{[1
,2
]}

Kurosaki, Ken ^{[1
]}

Muta, Hiroaki ^{[1
]}

Uno, Masayoshi ^{[1
]}

Yamanaka, Shinsuke ^{[1
]}

机构：

[1] Osaka Univ, Grad Sch Engn, Div Sustainable Energy & Environm Engn, Suita, Osaka 5650871, Japan

[2] Rajamangala Univ Technol Suvarnabhumi, Fac Sci & Technol, Huntra Phranakhon Si Ayu 13000, Thailand

来源：

MATERIALS TRANSACTIONS | 2009年 / 50卷 / 07期

关键词：

thermoelectric; thermal conductivity; silver gallium telluride; silver indium telluride; Debye temperature; THERMOELECTRIC-MATERIALS;

D O I：

10.2320/matertrans.E-M2009810

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We synthesized AgGaTe2, AgGa5Te8, AgInTe2, and AgIn5Te8 by solid-state reactions of Ag2Te, Ga2Te3 or In2Te3, and Te, and prepared their high-density polycrystalline pellets. The thermal conductivity K was evaluated by the laser flash method from room temperature to around 870 K. These compounds exhibited low kappa, e.g. the room temperature values were 1.94, 0.54, 2.05, and 1.08 Wm(-1) K-1 for AgGaTe2, AgGa5Te8, AgInTe2, and AgIn5Te8, respectively. We discussed the magnitude relations Of kappa from the viewpoints of the crystal structure and the Debye temperature. [doi:10.2320/matertrans.E-M2009810]

引用

页码：1603 / 1606

页数：4

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