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	Effect of ge phase on thermoelectrical properties of sr8ga16ge30 clathrate
	Wang Li1,2; Zhao Degang1,2; Hou Xiaowei1,2; Shi Xiaoya1,2; Sun Zhengliang1,2; Jiang Wan1; Chen Lidong1
刊名	Rare metal materials and engineering
	2009-12-01
卷号	38页码:678-680
关键词	Clathrate structure Thermoelectric properties Germanium (ge)
ISSN号	1002-185X
通讯作者	Wang li()
英文摘要	Ga-substituted ge based type-i clathrates with the general formula x8y16-xge30+x, display promising thermoelectric performance. using high purity elemental sr, ba, ga, and ge as starting materials, polycrystalline type-i clathrate compound sr8ga16ge30 were synthesized. ge phase was detected by xrd and epma. because of the bulk effect and scattering effect, the sample with more ge phase got lower electrical conductivity, larger absolute seebeck coefficient and lower thermal conductivity. the power factor is up to 12.8 mu w.k(-2)cm(-1). the calculated zt(max) is 0.65 at 650 k for sample 3#.
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
语种	英语
出版者	NORTHWEST INST NONFERROUS METAL RESEARCH
WOS记录号	WOS:000273803000006
内容类型	期刊论文
URI标识	http://www.corc.org.cn/handle/1471x/2404603
专题	中国科学院大学
通讯作者	Wang Li
作者单位	1.Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China 2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
推荐引用方式 GB/T 7714	Wang Li,Zhao Degang,Hou Xiaowei,et al. Effect of ge phase on thermoelectrical properties of sr8ga16ge30 clathrate[J]. Rare metal materials and engineering,2009,38:678-680.
APA	Wang Li.,Zhao Degang.,Hou Xiaowei.,Shi Xiaoya.,Sun Zhengliang.,...&Chen Lidong.(2009).Effect of ge phase on thermoelectrical properties of sr8ga16ge30 clathrate.Rare metal materials and engineering,38,678-680.
MLA	Wang Li,et al."Effect of ge phase on thermoelectrical properties of sr8ga16ge30 clathrate".Rare metal materials and engineering 38(2009):678-680.

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