Transition metal oxides: The exciting world of orbitals

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Many interesting phenomenon ranging from high Tc superconductivity to colossal magnetoresistance and multiferrocity has been shown through experimentation on transition metal oxides. Oxides with transition metals that straddle the subtle boundary between covalent, ionic, and metallic bonding shows copious physical phenomenon in layered cuprates, colossal magnetoresistance (CMR) in perovskite manganites to the coexistence of magnetism and ferroelectricity or multiferrocity. Results obtained from an X-ray spectroscopy study suggests that a significant redistribution of electronic orbitals exists at the interface and the resulting strong Mn-O-Cu covalent bond across the interface is responsible for the observed antiferromagnetic coupling. Oxidized transition metals can thereby, lend themselves to aesthetic values ranging from the captivating green hue of the Statue of Liberty to the reddish landscape of the Grand Canyon.

Original languageEnglish (US)
Pages (from-to)927-928
Number of pages2
JournalNature Materials
Issue number12
StatePublished - Dec 2007

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

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