A lead-free high-Tc ferroelectric BaTi2O5: A first-principles study

Umesh Waghmare, Marcel H.F. Sluiter, Teiichi Kimura, Takashi Goto, Yoshiyuki Kawazoe

研究成果: Article査読

57 被引用数 (Scopus)

抄録

Ferroelectricity in BaTi2O5 was analyzed using first-principles calculations. The polarization of BaTi2O5 was found to be smaller than the perovskite ferroelectrics and its Curie temperature was higher and comparable to that of PbTiO3. The calculated piezoelectric constant was 2.02 C/m2. The results show that the properties of BaTi2O5 can be improved and it appeared a promising material for future lead-free high-temperature ferroelectrics.

本文言語English
ページ(範囲)4917-4919
ページ数3
ジャーナルApplied Physics Letters
84
24
DOI
出版ステータスPublished - 2004 6 14

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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