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The size effects on the crystallite structure , Raman spectra as well as phase transition in lanthanum-modified lead titanate Pb1-xLaxTi1-3/4xO3 (x = 0.14) (PLT14) nanocrystalline powders were ...
,No.6( 1994)345 Ferroelectric Phase Transition in Nanocrystalline Lead Zirconatitanate System by Raman Scattering MEKG Jinfang, ZOU Guangtian, LI Jiangping, CUI Qiliang. WANG Xiaohuit , ZHAO Muyut State ...
that the films crystallize only into anatase phase , and the crystallite size decreases from 24.3 to 21.16 nm with increasing Er3+ doping ratio. The photoluminescence (PL) spectra are composed of two broad peaks ...
- sequence of phase transitions which ultimately lead to a cessfully prepared by aqueous solution-gel method. The cubic structure at 640 C[4, 5]. These phase transitions phase evolution of NaNbO powder ...
Unpolarized Raman spectra of tangential modes on DWNTs filled with 1D nanocrystalline PbI2 semiconductor excited with 647 nm were studied at room temperature and elevated pressure up to 30 GPa ...
in order to improve the crystallinity of the final product and eliminate the residual amorphous phase . Detailed structural characterization was performed by X-ray diffraction (XRD), Raman and infrared (IR ...
agreement with the inelastic thermal spike model, which predicts the transition of solid CZTS to molten phase leading to the formation of latent tracks. The possible reasons for the observed blue-shift were ...
and Raman spectrum of the product after ligand exchange show pure CVSe phase , as shown in S2 Fig and S3 Fig. Fig 5 shows the photoluminescence (PL) spectra of synthesized CVSe NCs using different excitation ...
°C (second heating) or 87°C (CK model), it is very likely that this second endothermic step belongs to the glass transition of a polymer-rich phase .[24] This second Tg was absent on the second heating ...
signals produced via inelastic Raman scattering as structural information. Herein, Raman signals were used to characterize changes to phonon modes particular to the cerium oxide crystal/defect structures ...
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