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pro vyhledávání: '"J. Manam"'
Autor:
Amalesh Kumar, J. Manam
Publikováno v:
Ceramics International. 48:13615-13625
Publikováno v:
Ceramics International. 48:824-831
The Cr3+ doped Zn3Ga2Ge2O10 long persistent phosphor materials were synthesized by solid state reaction method. The crystal structure of the synthesized phosphors are cubic with space group Fd3m. The band gap of the undoped host is about 4.48 eV. The
Publikováno v:
Materials Science in Semiconductor Processing. 158:107385
Autor:
J. Manam, Amalesh Kumar
Publikováno v:
Materials Today: Proceedings. 46:6107-6112
Researches are going on to promote a highly thermally stable and efficient phosphor material for the red component of the tri-color white LEDs. Herein, Eu3+ activated Na2ZrO3 phosphors were designed through the traditional high temperature solid stat
Publikováno v:
Materials Today: Proceedings. 46:6185-6190
Ceramic samples of pure and Sm3+ activated SrWO4 luminophores have been synthesized by solid state reaction technique. The confirmation of the sample formation is obtained by analysing and comparing the XRD data with standard JCPDS data. The material
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
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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
Publikováno v:
AIP Conference Proceedings.
The existing work explains the structural and spectroscopic properties of pure and Eu3+ doped SrWO4 phosphor synthesized by solid state reaction method. The prime focus of the work is to examine the photoluminescence behavior of the trivalent europiu
Publikováno v:
Journal of Materials Science: Materials in Electronics. 30:2360-2372
Near white light emitting (Gd2−2x Dy2x Zr2O7) (2x = 0.01, 0.02, 0.04, 0.06, 0.08) phosphors have been synthesized by the facile hydrothermal method. To examine the structural and optical properties, the prepared phosphors were characterized by X-ra