Zobrazeno 1 - 10
of 11
pro vyhledávání: '"Amba Mondal"'
Autor:
J. Manam, Amba Mondal
Publikováno v:
Ceramics International. 46:23972-23984
Cr3+ doped LaGaO3 phosphor was prepared by hydrothermal reaction method with post-annealing treatment. XRD pattern showed the pure orthorhombic phase of LaGaO3 at an annealing temperature of 1000 °C. TEM image showed the particles in the range 40-12
Publikováno v:
Physica B: Condensed Matter. 569:20-30
In the present context, detailed spectroscopic analysis of Cr3+ doped ZnGa2O4 has been reported. Hydrothermal method was adopted for the formation of nanoparticles. XRD patterns revealed the cubic phase with good crystallinity. The PL emission spectr
Autor:
Amba Mondal, Jairam Manam
Publikováno v:
AIP Conference Proceedings.
In the present work, we report the structural and optical properties of Pr3+doped magnesium germanate phosphor. The sample was prepared by citric acid assisted sol-gel synthesis method followed by high temperature annealing. The phase of the prepared
Autor:
Jairam Manam, Amba Mondal
Publikováno v:
ECS Journal of Solid State Science and Technology. 6:R88-R95
Autor:
Amba Mondal, Jairam Manam
Publikováno v:
DAE SOLID STATE PHYSICS SYMPOSIUM 2018.
In the present work, we report the structural and luminescent properties of Cr3+ doped strontium gallate phosphor. The sample was prepared by citric acid assisted sol-gel synthesis method followed by high temperature annealing. The phase of the prepa
Publikováno v:
Journal of Physics: Conference Series. 1913:012039
Herein, CTAB surfactant aided hydrothermal reaction was carried for preparing Cr3+ doped ZnGa2O4. Urea was used as fuel to continue the reaction. By fixing Cr3+ ions conc. to 0.5 mol%, the molar ratio of CTAB was varied. We used XRD, TEM, FTIR, PL, U
Publikováno v:
RSC Advances. 6:82484-82495
A novel long lasting phosphor MgGa2O4:Cr3+ was successfully prepared by a hydrothermal method and a solid state reaction method. The hydrothermal method provides nanoparticles of the range 10–70 nm. XRD, FTIR spectroscopy, HRTEM, FESEM, photolumine
Publikováno v:
Journal of Alloys and Compounds. 821:153342
A novel reddish-orange emitting BaNb2O6: Pr3+ phosphor was synthesized by conventional solid-state reaction method and its structural, morphological, optical properties and temperature dependent photoluminescence properties were investigated. The Le
Autor:
J. Manam, Amba Mondal
Publikováno v:
Materials Research Express. 6:095081
In this context, spectroscopic properties, quantum yield and temperature dependent luminescence of Cr3+ doped MgGa2O4 have been investigated. The calculated value of Racah parameter and crystal field strength suggests that Cr3+ experiences a strong c
Publikováno v:
ChemInform. 47
Polycrystalline samples of MgGa2-xO4:xCr3+ (x = 0—0.01) are prepared by hydrothermal reaction of stoichiometric amounts of the metal nitrates (pH 9—9.5 adjusted with NH4OH, autoclave, 220 °C, 10 h) followed by annealing (700 °C, 2 h).