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Optical properties of Mn1.56 Co0.96 Ni0.48 O4 films studied by spectroscopic ellipsometry

  • Y. Q. Gao
  • , Z. M. Huang
  • , Y. Hou
  • , J. Wu
  • , Y. J. Ge
  • , J. H. Chu
  • CAS - Shanghai Institute of Technical Physics

Research output: Contribution to journalArticlepeer-review

Abstract

Spectroscopic ellipsometry is used to determine the optical properties of the noncrystalline and crystalline Mn1.56 Co0.96 Ni0.48 O4 (MCN) films prepared by chemical solution deposition method in the range of 250-1100 nm. A pronounced difference in the optical functions is found between 500 and 600 °C. Two distinctive peaks, attributed to the critical points of the MCN films, appear in the optical constant spectra for the films annealed at 600 °C while they are not obvious for the films annealed at 500 °C. The presented results are instructive, further understanding the physical properties of transition metal oxides in theory.

Original languageEnglish
Article number011106
JournalApplied Physics Letters
Volume94
Issue number1
DOIs
StatePublished - 2009
Externally publishedYes

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