Temperature dependence of the propagation vector in Ni3-xCoxV2O8 with x=0.1 and 0.5

Seongsu Lee, Heeju Lee, Yong Nam Choi, M. A. Semkin, A. E. Teplykh, Yu N. Skryabin, Wen Hsien Li, A. N. Pirogov

Research output: Contribution to journalArticlepeer-review

3 Scopus citations

Abstract

We present the susceptibility and neutron diffraction data on multiferroic Ni3-xCoxV2O8 with x=0.1 and 0.5. The temperature dependence of the susceptibility indicates that the magnetic order-disorder transition occurs at THTI=8.5 K in both samples. Below THTI, the high-temperature incommensurate magnetic structure is realized, which undergoes a transition to the low-temperature incommensurate phase when the sample is cooled. The temperature evolution of the propagation vector k for x=0.1 is very weak, which confirms previous studies showing that substitution of 3.5% Ni ions by Co ions suppresses the explicit temperature dependence of k that is observed in the parent compound. On the other hand, we found that the vector k for x=0.5 exhibits a definite temperature dependence, which differs from the case of the undoped sample (x=0).

Original languageEnglish
Pages (from-to)225-229
Number of pages5
JournalJournal of Magnetism and Magnetic Materials
Volume397
DOIs
StatePublished - 1 Jan 2016

Keywords

  • Incommensurate magnetic structure
  • Magnetic moment
  • Multiferroic
  • Propagation vector

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