Mn 2+ and Mn 4+ red phosphors: synthesis, luminescence and applications in WLEDs. A review

Q Zhou, L Dolgov, AM Srivastava, L Zhou… - Journal of Materials …, 2018 - pubs.rsc.org
Transition-metal activated phosphors are an important family of luminescent materials that
can produce white light with an outstanding color rendering index and correlated color …

Research progress and application prospects of transition metal Mn 4+-activated luminescent materials

Z Zhou, N Zhou, M ** conduction mechanism and impedance spectroscopy analyses of the half-doped perovsikte Nd0.5Ba0.5FeO3 prepared by sol–gel method
K Souifi, O Rejaiba, M Nasri, AH Alshehri, J Khelifi… - Applied Physics A, 2022 - Springer
Abstract Polycrystalline Nd0. 5Ba0. 5FeO3 (NBFO) perovskite was prepared with sol–gel
method, calcined at a temperature of 900° C. Here, we study the influence of the Barium ion …

Impedance and modulus spectroscopy characterization of lead free barium titanate ferroelectric ceramics

S Sharma, K Shamim, A Ranjan, R Rai, P Kumari… - Ceramics …, 2015 - Elsevier
In this work, dense BaTiO 3 ceramics were successfully prepared by the solid state reaction
process. X-ray diffraction technique showed single-phase polycrystalline sample with …

Rietveld refinement, microstructure, conductivity and impedance properties of Ba [Zr0. 25Ti0. 75] O3 ceramic

T Badapanda, V Senthil, SK Rout, LS Cavalcante… - Current applied …, 2011 - Elsevier
In this work, we report the Rietveld refinement, microstructure, conductivity and impedance
properties of Ba [Zr0. 25Ti0. 75] O3 ceramic synthesized by solid state reaction. This ceramic …