Up-scaled solid state reaction for synthesis of doped Mg2Si

Gwansik Kim, Hwijong Lee, Jeongmin Kim, Jong Wook Roh, Inwoong Lyo, Byung Wook Kim, Kyu Hyoung Lee, Wooyoung Lee

Research output: Contribution to journalArticlepeer-review

23 Citations (Scopus)


Herein, we reported a synthesis technique based on the up-scaled solid state reaction for Al and Bi co-doped Mg2Si polycrystalline bulks and investigated their thermoelectric transport properties. The powders (~ 1 kg/batch) were synthesized for mass production by using the solid state reaction, and the polycrystalline bulks were consolidated with a diameter of 25 mm and thickness of 3 mm using hot pressing and spark plasma sintering techniques. Both the hot pressed and the spark plasma sintered bulks showed good reproducibility and positional uniformity of the thermoelectric properties and the highest ZT value of 0.98 was obtained at 873 K.

Original languageEnglish
Pages (from-to)53-56
Number of pages4
JournalScripta Materialia
Publication statusPublished - 2017 Feb 1

Bibliographical note

Publisher Copyright:
© 2016

All Science Journal Classification (ASJC) codes

  • General Materials Science
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering
  • Metals and Alloys


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