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September 28, 2025Inorganic Chemistry

Sr2CdGe3O9: A Potential Zero-Order Waveplate Crystal Featuring an Enlarged Bandgap and Extended Mid-Infrared Transparency

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Authors

YWYujun WangBeijing University of Chemical TechnologyPZPeng ZhaoNitride Crystals (United States)XKXianghao KongTianjin University of Technology

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Implication

This research identifies a novel germanate crystal with reduced birefringence and extended mid-infrared transparency, suggesting potential applications in laser technology.

Key Points

  • SCGO exhibits superior low birefringence of 0.006@1064 nm, enhancing its use in optics and lasers.
  • The crystal features an enlarged bandgap of 4.7 eV, surpassing many transition metal-containing germanates.
  • With a stability threshold at 1054 °C, SCGO demonstrates remarkable thermal stability, crucial for practical applications.
  • SCGO provides an extended IR transmission window up to 6.0 μm, indicating a broad range for optical applications.

Cite This Study

Wang et al. (2025) studied this question.

synapsesocial.com/papers/68d90a0a41e1c178a14f663fhttps://doi.org/10.1021/acs.inorgchem.5c03571
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