4.6 Article

Signature of ferroelectricity in magnetically ordered Mo-doped CoFe2O4

Journal

PHYSICAL REVIEW B
Volume 82, Issue 13, Pages -

Publisher

AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.82.134428

Keywords

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Funding

  1. DST, India
  2. National Science Council of Taiwan [NSC97-2112-M-110-005-MY3]

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Coexistence of both magnetic ordering and ferroelectricity (with giant dielectric constant) have been observed for the first time in Co(Fe1-xMox)(2)O-4. The magnetization of Co(Fe1-xMox)(2)O-4 (x ranges from 0 to 0.1) was found to increase with doping concentration of Mo. The magnetic properties indicate that Mo goes into the tetrahedral site. The giant dielectric constant may be attributed to the Maxwell-Wagner relaxation mechanism.

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