Zobrazeno 1 - 10
of 16
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3156346f34960fc14bb23cf0f2a918bc
https://doi.org/10.1016/j.ceramint.2020.06.174
https://doi.org/10.1016/j.ceramint.2020.06.174
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb89b9ff56b39375c34204b9f211ba31
https://doi.org/10.1016/j.physb.2019.05.030
https://doi.org/10.1016/j.physb.2019.05.030
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::de1e424998841681887edf386ac4e7cc
https://doi.org/10.1063/5.0001178
https://doi.org/10.1063/5.0001178
Autor:
Jairam Manam, Amba Mondal
Publikováno v:
ECS Journal of Solid State Science and Technology. 6:R88-R95
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99503185a72863ea1a841143e50e826a
https://doi.org/10.1149/2.0021708jss
https://doi.org/10.1149/2.0021708jss
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d5049cbca816fc8869e6897734361f1a
https://doi.org/10.1063/1.5113032
https://doi.org/10.1063/1.5113032
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9749d2f182e5aa954b80785b4f4c1c30
https://doi.org/10.1088/1742-6596/1913/1/012039
https://doi.org/10.1088/1742-6596/1913/1/012039
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2c7063dca55f60f57929bb264760cf4d
https://doi.org/10.1039/c6ra15119a
https://doi.org/10.1039/c6ra15119a
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56ec323cf510ac34038dce4239c4380e
https://doi.org/10.1016/j.jallcom.2019.153342
https://doi.org/10.1016/j.jallcom.2019.153342
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
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c7a29f7c0cb8673bd63f387714d065ad
https://doi.org/10.1088/2053-1591/ab317e
https://doi.org/10.1088/2053-1591/ab317e
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).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::9d0b7e0309b26f3fd00a90c833c56520
https://doi.org/10.1002/chin.201647006
https://doi.org/10.1002/chin.201647006