Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Guo-xiang Lan"'
Autor:
Xin Xing Dong, Gai Cui Bai, Ming Li Li, Guo Xiang Lan, Da Wei Yan, Xiao Yi Wang, Qiang Chen, Shao Xiong Lu
Publikováno v:
Pakistan Journal of Zoology. 55
Autor:
Xin Xing Dong, Gai Cui Bai, Ming Li Li, Guo Xiang Lan, Da Wei Yan, Xiao Yi Wang, Qiang Chen, Shao Xiong Lu
Publikováno v:
Pakistan Journal of Zoology; Feb2023, Vol. 55 Issue 1, p145-151, 7p
Publikováno v:
Journal of Non-Crystalline Solids. 159:140-144
The low-temperature phase of barium metaborate (β - BaB2O4) can be transformed into an amorphous phase above 96 kbar. The structure of pressure-induced amorphous BaB2O4 and its crystallization processes were investigated by means of Raman scattering
Publikováno v:
Journal of Non-Crystalline Solids. 151:261-267
The crystallization of amorphous La1−xNdxP5O14 (a-LNPP) has been investigated by DTA, TG, X-ray diffraction and Raman scattering. During annealing in air, a-LNPP transformed to crystalline La1−xNdxP5O14 (c-LNPP) and partially decomposed to La1−
Publikováno v:
Spectrochimica Acta Part A: Molecular Spectroscopy. 48:181-191
We recorded the Raman spectra at the low temperature (84 K) and determined the directional dispersion of extraordinary phonons of β-BaB2O4 crystal. The vibration—intensity relations between the (B3O6)3− ring and the β-BaB2O4 crystal are analyse
Publikováno v:
physica status solidi (b). 164:39-44
Amorphous Pb5Ge3O11 is prepared by single-roller quenching. Internal vibrational modes of the GeO tetrahedra (and the Ge2O double-tetrahedra) are observed in the Raman spectrum from amorphous Pb5Ge3O11. The Raman spectra of the sample annealed at 410
Publikováno v:
Journal of Physics and Chemistry of Solids. 51:279-282
The effects of hydrostatic pressure on the ferroelastic phase transition in CeP 5 O 14 , PrP 5 O 14 and SmP 5 O 14 crystals were investigated by high-pressure Raman scattering, and the values of dT c dp of these crystals determined. According to the
Publikováno v:
Journal of Physics and Chemistry of Solids. 51:273-278
The high-pressure Raman spectra of CeP 5 O 14 and PrP 5 O 14 crystals were studied, and the values of 1 v dv dp for some vibrational modes determined. The assignment of these modes is discussed. A probable structural phase transition induced by press
Autor:
Guo-xiang Lan, Liang-chen Chen, Rong-zheng Che, Fengying Li, Li-song Xiu, Hui-cheng Gu, Lei Zhou, Lijun Wang
Publikováno v:
Chinese Physics Letters. 13:534-536
Pressure-induced amorphous transition of Li2Ge7O15 (LGO) crystal has been investigated by using in situ high pressure energy dispersive x-ray diffraction with synchrotron radiation at the pressure up to 21.6 GPa. Diamond anvils were used to generate
Autor:
Yu-fang, Wang, Hao-ran, Liu, Xiao-xuan, Xu, Yue, Shao, Xue-wei, Cao, Shi-fen, Hu, You-ying, Liu, Guo-xiang, Lan
Publikováno v:
Guang pu xue yu guang pu fen xi = Guang pu. 22(4)
Single wall carbon nanotubes (SWNTs) were synthesized by electric are discharge method with a mixture of nickel and yttrium as catalysts. The examination results of scanning electronic microscope and transmission electronic microscope indicate that t