Ba4RuMn2O10: A Noncentrosymmetric Polar Crystal Structure with Disordered Trimers

Skaggs, Callista M.; Siegfried, Peter E.; Cho, Jun Sang; Xin, Yan; Garlea, V. Ovidiu; Taddei, Keith M.; Bhandari, Hari; Croft, Mark; Ghimire, Nirmal J.; Jang, Joon I.; Tan, Xiaoyan

doi:10.1021/acs.chemmater.4c00586

Chem. Mater.

2024

DOI: 10.1021/acs.chemmater.4c00586

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Ba₄RuMn₂O₁₀: A Noncentrosymmetric Polar Crystal Structure with Disordered Trimers

Callista M. Skaggs,

Peter E. Siegfried,

Jun Sang Cho

et al.

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2024

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Chemical Tuning of Second Harmonic Generation Efficiency in Aminothiophene-Based Molecular Microcrystals

Zhestkij,

Efimova,

Timofeeva

et al. 2024

J. Phys. Chem. C

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We report on a chemical way to tune the efficiency of second harmonic generation (SHG) by aminothiophene-based molecular crystals (MCs) of a fixed noncentrosymmetric crystal structure. Through the multistep synthesis of three substituted pyrrolo[1,2-a]thieno[3,2-e]pyrimidines, we design a set of MCs of a similar Pna21 space group, providing stable (over 30 min of continuous generation) SHG in a controlled visible spectral range. Substitution of the donor methyl component of the MC with neutral hydrogen and acceptor chlorine leads to an approximately 400-fold increase in SHG efficiency due to 70% growth of the MC's hyperpolarizability. The reported chemical strategy, thereby, opens the way to design MCs and tune their SHG efficiency, being competitive with commercial nonlinear optical crystals.

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Chemical Tuning of Second Harmonic Generation Efficiency in Aminothiophene-Based Molecular Microcrystals

Zhestkij,

Efimova,

Timofeeva

et al. 2024

J. Phys. Chem. C

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show abstract

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Ba₄RuMn₂O₁₀: A Noncentrosymmetric Polar Crystal Structure with Disordered Trimers

Cited by 1 publication

References 47 publications

Chemical Tuning of Second Harmonic Generation Efficiency in Aminothiophene-Based Molecular Microcrystals

Chemical Tuning of Second Harmonic Generation Efficiency in Aminothiophene-Based Molecular Microcrystals

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