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Title: New high-pressure polymorph of non-linear optical crystal BaTeMo2O9
Authors: Yu, D
Sun, D
Avdeev, M
Wu, Q
Tian, X
Gu, QF
Tao, X
Keywords: Phase transformations
Crystal structure
Space groups
Granular materials
X-ray diffraction
Monoclinic lattices
Issue Date: 17-Jun-2015
Publisher: American Chemical Society
Citation: Yu, D., Sun, D., Avdeev, M., Wu, Q., Tian, X., Gu, Q., & Tao, X. (2015). New high-pressure polymorph of non-linear optical crystal BaTeMo2O9. Crystal Growth & Design, 15(7), 3110–3113. doi:10.1021/acs.cgd.5b00421
Abstract: High-pressure synchrotron X-ray diffraction on the nonlinear optical crystal α-BaTeMo2O9 (α -BTM) has revealed a new polymorph of γ-BTM having a monoclinic space group of P21. This first order phase transition from the orthorhombic Pca21 to the new monoclinic P21 structure occurs at 3.8 GPa pressure. The mechanism of the phase transition under high pressure is attributed to the anisotropic pressure response along different crystallographic directions. © 2015 American Chemical Society
ISSN: 1528-7505
Appears in Collections:Journal Articles

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