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Issue 12, 2002
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Synthesis and structure of La14V6CuO36.5: a transparent Cu(i) vanadate containing [OCuO]3− sticks

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Abstract

The title compound, La14V6CuO36.5, was prepared from a stoichiometric mixture of La2O3, V2O5, and CuO at 1050–1080 °C. The compound forms transparent, pale green crystals and was characterized by wavelength dispersive spectroscopy and single crystal X-ray diffraction. The structure contains isolated VO43− tetrahedra and [OCuO]3− sticks dispersed in a lanthanum oxide network. Films of La14V6CuO36.5 were grown on R-plane sapphire by using pulsed laser deposition. Rutherford backscattering spectroscopic and X-ray diffraction analyses of the films showed oriented growth of the title phase, a ∼5 eV optical band gap and n-type conductivity. The compound is an example of a transparent copper(I) oxide.

Graphical abstract: Synthesis and structure of La14V6CuO36.5: a transparent Cu(i) vanadate containing [OCuO]3− sticks

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Publication details

The article was received on 30 Mar 2002, accepted on 14 Oct 2002 and first published on 29 Oct 2002


Article type: Paper
DOI: 10.1039/B203257K
J. Mater. Chem., 2002,12, 3839-3842

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    Synthesis and structure of La14V6CuO36.5: a transparent Cu(I) vanadate containing [OCuO]3− sticks

    J. Gopalakrishnan, Z. S. Gönen, K.-S. Chang, I. Takeuchi, T. K. Mandal, B. W. Eichhorn, J. C. Fettinger and R. L. Greene, J. Mater. Chem., 2002, 12, 3839
    DOI: 10.1039/B203257K

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