2013
DOI: 10.1007/s11664-013-2482-6
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Synthesis and Characterization of Al-Doped Mg2Si Thermoelectric Materials

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Cited by 74 publications
(26 citation statements)
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“…20,21) Mg powder (Kojundo Chemical Laboratory Co., Ltd., 99.5% purity, <180 µm in size), Si powder (Wako Pure Chemical Industries, Ltd., 99.9% purity, through 150 µm 95% up in size) and Al powder (Hikari Material Industry Co., Ltd., 99.7% purity, <38 µm in size) were mixed in a molar ratio of Mg : Si : Al = 2 : 1 : 0.01. The powder mixtures were mechanically milled (MM) by using the planetary ball mill (Fritsch, P-6).…”
Section: Methodsmentioning
confidence: 99%
See 1 more Smart Citation
“…20,21) Mg powder (Kojundo Chemical Laboratory Co., Ltd., 99.5% purity, <180 µm in size), Si powder (Wako Pure Chemical Industries, Ltd., 99.9% purity, through 150 µm 95% up in size) and Al powder (Hikari Material Industry Co., Ltd., 99.7% purity, <38 µm in size) were mixed in a molar ratio of Mg : Si : Al = 2 : 1 : 0.01. The powder mixtures were mechanically milled (MM) by using the planetary ball mill (Fritsch, P-6).…”
Section: Methodsmentioning
confidence: 99%
“…The electrical resistivity of Al 1 at% doped Mg 2 Si is about 1000 times larger than that of Mg metal. 20,21) So, it is expected that the sudden rise in resistance was caused by Mg 2 Si phase formation from a mixture of Mg and Si powders. In order to check the Mg 2 Si phase formation, powder compacts were heated in graphite and quartz dies up to 593 K and 653 K, which are just below and above the temperature when the resistance increase occurred, and then subjected to XRD analysis.…”
Section: Sintering Behavior Of Powders Mechanically Milledmentioning
confidence: 99%
“…The doping site of Al in Mg 2 Si is under debate, because the preferred doping site depends on doping concentration. Earlier study shows that the Al dopant should mainly occupy the Mg sites in the structure [9,10] In this paper we report a systematic study of electronic and thermoelectric properties of Al doped Mg 2 Si material based on first principles calculation using density functional pseudo potential method. The aim of this work was to show the n-type conduction and improvement of thermoelectric properties when this material doped with Al atom.…”
Section: Introductionmentioning
confidence: 99%
“…The traditional n‐type dopants for magnesium silicide are Sb and Bi . Al has also been successfully incorporated as an n‐type dopant …”
Section: Introductionmentioning
confidence: 99%