Second harmonic generation response of the cubic chalcogenides Ba(6−x)Srx[Ag(4−y)Sn(y/4)](SnS4)4

Alyssa S. Haynes, Te Kun Liu, Laszlo Frazer, Jyun Fan Lin, Shuo Yu Wang, John B. Ketterson, Mercouri G. Kanatzidis, Kuei Fang Hsu

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

We synthesized the barium/strontium solid solution sequence Ba6−xSrx[Ag(4−y)Sn(y/4)](SnS4)4 for nonlinear optical (NLO) applications in the infrared (IR) via a flux synthesis route. All title compounds are isotypic, crystallizing in the cubic space group I 4̅3d and are composed of a three-dimensional (3D) anionic framework of alternating corner-sharing SnS4 and AgS4 tetrahedra charge balanced by Ba and Sr. The shrinkage of Ba/Sr–S bond lengths causes the tetrahedra in the anionic framework to become more distorted, which results in a tunable band gap from 1.58 to 1.38 eV with increasing x values. The performance of the barium limit (x=0) is also superior to that of Sr (x=6), but surprisingly second harmonic generation (SHG) of the solid solution remains strong and is insensitive to the value of x over the range 0–3.8. Results show that the non-type-I phase-matched SHG produced by these cubic chalcogenides display intensities higher than the benchmark AgGaSe2 from 600 to 1000 nm.

原文English
頁(從 - 到)119-125
頁數7
期刊Journal of Solid State Chemistry
248
DOIs
出版狀態Published - 2017 四月 1

All Science Journal Classification (ASJC) codes

  • 電子、光磁材料
  • 陶瓷和複合材料
  • 凝聚態物理學
  • 物理與理論化學
  • 無機化學
  • 材料化學

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