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Optical absorption of copper metaborate CuB2O4

  • Magnetism and Ferroelectricity
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Abstract

High-quality single crystals of copper metaborate CuB2O4 with a volume exceeding 1 cm3 are grown. The optical absorption spectra of these crystals are recorded for the first time owing to their sufficiently large size. The spectra exhibit a broad transmission window in the visible region and an intense absorption peak around ∼2.0 eV, which is already split into two bands at room temperature. A weak anisotropy is revealed in unpolarized light upon light beam propagation along the a and c axes. The spectra are compared with the absorption spectrum of CuGeO3.

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Authors and Affiliations

  1. Kirenskii Institute of Physics, Siberian Division, Russian Academy of Sciences, Akademgorodok, Krasnoyarsk, 660036, Russia

    L. N. Bezmaternykh, A. M. Potseluiko, E. A. Erlykova & I. S. Édel’man

Authors
  1. L. N. Bezmaternykh
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  2. A. M. Potseluiko
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  3. E. A. Erlykova
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  4. I. S. Édel’man
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__________

Translated from Fizika Tverdogo Tela, Vol. 43, No. 2, 2001, pp. 297–298.

Original Russian Text Copyright © 2001 by Bezmaternykh, Potselu\(\overset{\lower0.5em\hbox{$\smash{\scriptscriptstyle\smile}$}}{l} \)ko, Erlykova, Édel’man.

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Bezmaternykh, L.N., Potseluiko, A.M., Erlykova, E.A. et al. Optical absorption of copper metaborate CuB2O4 . Phys. Solid State 43, 309–310 (2001). https://doi.org/10.1134/1.1349480

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  • DOI: https://doi.org/10.1134/1.1349480

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