Comparative Study of the Structural, Electronic, and Magnetic Properties of the Layered Ternary Vanadium Oxides CaV4O9, Cs2V4O9, and [H2N(CH2)4NH2]V4O 9

Yiping Zhang, Christopher J. Warren, Robert C. Haushalter, Abraham Clearfield, Dong Kyun Seo, Myung Hwan Whangbo

Research output: Contribution to journalArticle

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Abstract

We report the preparation, single-crystal X-ray structure determination, and magnetic susceptibility measurements of a new ternary vanadium oxide, [H2N(CH2)4NH2]V4O 9. This compound has isolated V4O92- layers made up of edge-sharing VO5 square pyramids. The V4O92- layers of [H2N(CH2)4NH2]V4O 9 ([H2N(CH2)4NH2] = piperidinium) differ from those of two other ternary vanadium oxides, CaV4O9 and A2V4O9 (A = Rb, Cs), in the way the VO5 square pyramids are shared, and the magnetic susceptibilities of the three oxides are widely different in their maximum susceptibility values and the temperatures where these values occur. To explain these observations, the electronic structures of the three oxides were analyzed based on molecular orbital calculations.

Original languageEnglish
Pages (from-to)1059-1064
Number of pages6
JournalChemistry of Materials
Volume10
Issue number4
Publication statusPublished - Apr 1998

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Vanadium
Electronic properties
Oxides
Structural properties
Magnetic properties
Magnetic susceptibility
Orbital calculations
Molecular orbitals
Electronic structure
Single crystals
X rays
Temperature

ASJC Scopus subject areas

  • Materials Science(all)
  • Materials Chemistry

Cite this

Comparative Study of the Structural, Electronic, and Magnetic Properties of the Layered Ternary Vanadium Oxides CaV4O9, Cs2V4O9, and [H2N(CH2)4NH2]V4O 9. / Zhang, Yiping; Warren, Christopher J.; Haushalter, Robert C.; Clearfield, Abraham; Seo, Dong Kyun; Whangbo, Myung Hwan.

In: Chemistry of Materials, Vol. 10, No. 4, 04.1998, p. 1059-1064.

Research output: Contribution to journalArticle

Zhang, Yiping ; Warren, Christopher J. ; Haushalter, Robert C. ; Clearfield, Abraham ; Seo, Dong Kyun ; Whangbo, Myung Hwan. / Comparative Study of the Structural, Electronic, and Magnetic Properties of the Layered Ternary Vanadium Oxides CaV4O9, Cs2V4O9, and [H2N(CH2)4NH2]V4O 9. In: Chemistry of Materials. 1998 ; Vol. 10, No. 4. pp. 1059-1064.
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