Abstract
We report the effects of elemental substitutions in multiferroic R Fe2O4 (R: Y, Ho-Lu, In). The substitution by nonmagnetic Ga3+ at the Fe site, which has not been reported so far, shows a drastic decrease in the ferrimagnetic transition temperature (TN). This is plausibly owing to the suppression of magnetic interactions between Fe ions, based on our previous results of other substituted systems such as R FeCoO4. Dielectric constants near room temperature were comparable to those of R Fe2O4. The suppression of dielectric loss in this system is suitable to application. The R -site substitution was also attempted by the large R3+ ions such as Dy3+. The solubility limit was up to ~10% of R ions. TN was raised by 5-10 K for Dy3+ substitution.
| Original language | English |
|---|---|
| Pages (from-to) | 841-844 |
| Number of pages | 4 |
| Journal | Physica Status Solidi (C) Current Topics in Solid State Physics |
| Volume | 12 |
| Issue number | 6 |
| DOIs | |
| Publication status | Published - Jun 1 2015 |
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Keywords
- EXAFS
- Iron oxide
- Multiferroic
- Substitution
ASJC Scopus subject areas
- Condensed Matter Physics
Cite this
Elemental substitution effects in multiferroic R Fe2O4 (R : Rare earths). / Yoshii, Kenji; Funae, Takashi; Mizumaki, Masaichiro; Ejiri, Hiroki; Ikeda, Naoshi; Saitoh, Hiroyuki; Matsumura, Daiju.
In: Physica Status Solidi (C) Current Topics in Solid State Physics, Vol. 12, No. 6, 01.06.2015, p. 841-844.Research output: Contribution to journal › Article
}
TY - JOUR
T1 - Elemental substitution effects in multiferroic R Fe2O4 (R
T2 - Rare earths)
AU - Yoshii, Kenji
AU - Funae, Takashi
AU - Mizumaki, Masaichiro
AU - Ejiri, Hiroki
AU - Ikeda, Naoshi
AU - Saitoh, Hiroyuki
AU - Matsumura, Daiju
PY - 2015/6/1
Y1 - 2015/6/1
N2 - We report the effects of elemental substitutions in multiferroic R Fe2O4 (R: Y, Ho-Lu, In). The substitution by nonmagnetic Ga3+ at the Fe site, which has not been reported so far, shows a drastic decrease in the ferrimagnetic transition temperature (TN). This is plausibly owing to the suppression of magnetic interactions between Fe ions, based on our previous results of other substituted systems such as R FeCoO4. Dielectric constants near room temperature were comparable to those of R Fe2O4. The suppression of dielectric loss in this system is suitable to application. The R -site substitution was also attempted by the large R3+ ions such as Dy3+. The solubility limit was up to ~10% of R ions. TN was raised by 5-10 K for Dy3+ substitution.
AB - We report the effects of elemental substitutions in multiferroic R Fe2O4 (R: Y, Ho-Lu, In). The substitution by nonmagnetic Ga3+ at the Fe site, which has not been reported so far, shows a drastic decrease in the ferrimagnetic transition temperature (TN). This is plausibly owing to the suppression of magnetic interactions between Fe ions, based on our previous results of other substituted systems such as R FeCoO4. Dielectric constants near room temperature were comparable to those of R Fe2O4. The suppression of dielectric loss in this system is suitable to application. The R -site substitution was also attempted by the large R3+ ions such as Dy3+. The solubility limit was up to ~10% of R ions. TN was raised by 5-10 K for Dy3+ substitution.
KW - EXAFS
KW - Iron oxide
KW - Multiferroic
KW - Substitution
UR - http://www.scopus.com/inward/record.url?scp=84931401983&partnerID=8YFLogxK
UR - http://www.scopus.com/inward/citedby.url?scp=84931401983&partnerID=8YFLogxK
U2 - 10.1002/pssc.201400250
DO - 10.1002/pssc.201400250
M3 - Article
AN - SCOPUS:84931401983
VL - 12
SP - 841
EP - 844
JO - Physica Status Solidi (C) Current Topics in Solid State Physics
JF - Physica Status Solidi (C) Current Topics in Solid State Physics
SN - 1862-6351
IS - 6
ER -