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March 14, 2026Inorganic Chemistry

K 3 YGe 3 O 9 : A Rare-Earth Germanate Nonlinear Optical Crystal with a Short Ultraviolet Cutoff Edge and Moderate Second-Harmonic Generation Response

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Authors

MGMingyue GuTianjin University of TechnologyXZXianchao ZhuTianjin University of TechnologyZHZ. HuRutgers, The State University of New Jersey

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Implication

New nonlinear optical germanate K3YGe3O9 demonstrates stable thermal properties and notable second-harmonic generation efficiency.

Key Points

  • To investigate the properties of K3YGe3O9 as a potential candidate for nonlinear optical applications.
  • Prepared via crystallization technique
  • Characterized crystallization in triclinic P1 space group
  • Analyzed UV absorption edge and band gap
  • Performed thermal analysis for stability assessment
  • Conducted SHG response measurements under laser irradiation
  • Exhibits short UV absorption edge at 210 nm
  • Demonstrates a band gap of 5.36 eV
  • Shows strong second-harmonic generation response of 1.1 x KDP
  • Reveals superior thermal stability up to 1400 °C
  • Phase-matching behavior confirmed

Cite This Study

Gu et al. (2026) studied this question.

synapsesocial.com/papers/69b4ad7918185d8a39800c8bhttps://doi.org/10.1021/acs.inorgchem.6c00622
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