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<p>Slow evaporation (SET) was used to recover semi-organic crystals of strontium dicitrato borate heptahydrate (SrDCB). Gravimetric analysis was utilized to determine the solubility of SrDCB crystals at various temperatures. Single-crystal X-ray diffraction confirmed the crystal’s structure, which is a monoclinic crystal system with the space group <i>C2</i><sub><i>1</i></sub><i>/b</i>. Spectral examinations have been performed to investigate the modes of vibration in the various chemical groups present in SrDCB. To determine the optical transparency of SrDCB crystals, UV-visible transmittance measurements were performed. The results indicated that the crystal was transparent over the Visible-NIR spectrum. The laser damage threshold was calculated using a Nd:YAG laser operating at 1064 nm. The work hardening coefficient, which indicates that the material is from a soft family, was calculated for different planes using Vickers hardness tests. Etching studies were conducted to evaluate the surface, and the etch pit density was calculated. TG-DTA was utilized to determine the thermal stability of the SrDCB compound. The Z-scan method revealed the third-order nonlinear optical (NLO) behavior of the SrDCB crystal. Additionally, the optical limiting threshold was determined.</p>

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Growth, spectral, optical, thermal and third harmonic generation studies of strontium dicitrato borate heptahydrate nonlinear optical single crystals

  • 期刊论文

  • 发表日期：

    2026年2月7日

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  • N Chandrasekaran,
  • G Rajasekar,
  • G Lalitha,
  • D Shanmugapriya,
  • T Manimaran,
  • B Ravindran,
  • S Sudhahar

摘要

Slow evaporation (SET) was used to recover semi-organic crystals of strontium dicitrato borate heptahydrate (SrDCB). Gravimetric analysis was utilized to determine the solubility of SrDCB crystals at various temperatures. Single-crystal X-ray diffraction confirmed the crystal’s structure, which is a monoclinic crystal system with the space group C21/b. Spectral examinations have been performed to investigate the modes of vibration in the various chemical groups present in SrDCB. To determine the optical transparency of SrDCB crystals, UV-visible transmittance measurements were performed. The results indicated that the crystal was transparent over the Visible-NIR spectrum. The laser damage threshold was calculated using a Nd:YAG laser operating at 1064 nm. The work hardening coefficient, which indicates that the material is from a soft family, was calculated for different planes using Vickers hardness tests. Etching studies were conducted to evaluate the surface, and the etch pit density was calculated. TG-DTA was utilized to determine the thermal stability of the SrDCB compound. The Z-scan method revealed the third-order nonlinear optical (NLO) behavior of the SrDCB crystal. Additionally, the optical limiting threshold was determined.