Growth and characterization of a LaCa4O(BO3) 3 crystal

H. J. Zhang, H. D. Jiang, J. Y. Wang, X. B. Hu, G. W. Yu, W. T. Yu, L. Gao, J. A. Liu, S. J. Zhang, M. H. Jiang

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The non-linear optical (NLO) crystal LaCa4O(BO3) 3 (LaCOB) has been grown by the Czochralski method. X-ray diffraction experiments show that LaCOB crystal possesses the space group Cm, and its unit cell constants have been measured to be a = 0.8168(3) nm, b = 1.6081(7) nm and c = 0.3630(6) nm, with an angle β = 101.39°. The thermal properties of LaCOB have been studied; the specific heat of the crystal is 321.9J/molK at 330 K, and the three principal coefficients of thermal expansion of the principal axes have been calculated from the measured data to be 5.61 × 10-6 K-1, 7.21 × 10 -6K-1 and 11.01 × 10-6K-1, respectively. The transmission spectrum shows that LaCOB crystal has a wide transparency wavelength range, and may be used as a NLO crystal.

Original languageEnglish (US)
Pages (from-to)889-893
Number of pages5
JournalApplied Physics A: Materials Science and Processing
Issue number6
StatePublished - Mar 1 2004

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Science(all)


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