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Strong Second Harmonic Generation from the Tantalum Thioarsenates A3Ta2AsS11 (A = K and Rb)
- Bera, Tarun K.;
- Jang, Joon I.;
- Ketterson, John B.;
- Kanatzidis, Mercouri G.
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258초록
The strongly anisotropic thioarsenates A(3)Ta(2)AsS(11) are stabilized in a polysulfide flux. All compounds contain the same parallel (1)/-[Ta2AsS113-] polymeric anionic chains, but the size of the alkali-metals has a profound effect on the packing of the chains. The K+ or Rb+ favor noncentrosymmetric packing of the chains, whereas the larger Cs+ favors the centrosymmetric packing. The chains feature the combination of two asymmetric units [Ta2S11] and [AsS3] and exhibit strong nonlinear optical (NLO) second harmonic generation.
키워드
OPTICAL-PROPERTIES; CRYSTAL-STRUCTURES; CS; ANION; THIOPHOSPHATES; CHALCOGENIDES; CATIONS
- 제목
- Strong Second Harmonic Generation from the Tantalum Thioarsenates A3Ta2AsS11 (A = K and Rb)
- 저자
- Bera, Tarun K.; Jang, Joon I.; Ketterson, John B.; Kanatzidis, Mercouri G.
- 발행일
- 2009-01-14
- 유형
- Article
- 권
- 131
- 호
- 1
- 페이지
- 75 ~ +