Electrical conductivity of hot-pressed magnesia: Effect of the addition of LiF

D. Itzhak, L. Kornblit, A. Grill

Research output: Contribution to journalArticlepeer-review

5 Scopus citations


The effect of the addition of LiF on the electrical conductivity of hot-pressed magnesia was investigated in the temperature range 200-875°C. The investigated samples had a density higher than 99% of theoretical density. The addition of 1.5-3 wt.% LiF increases the electrical conductivity at 850°C of the as-pressed samples by two orders of magnitude. The electrical conductivity of the as-pressed samples is characterized by an activation energy of 1.2 eV in the temperature range 300-500°C. Heat treatment at 1350°C markedly decreases the electrical conductivity, reducting it the value of pure heat-treated hot-pressed magnesia.

Original languageEnglish
Pages (from-to)261-265
Number of pages5
JournalMaterials Science and Engineering
Issue number2
StatePublished - 1 Jan 1981

ASJC Scopus subject areas

  • Engineering (all)


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