Search Results - "Patra, G. D"

Photo-luminescence properties of Cu and Ag doped Li2B4O7 single crystals at low temperatures by Patra, G.D., Tyagi, Mohit, Desai, D.G., Tiwari, Babita, Sen, Shashwati, Gadkari, S.C.

“…UV excited photo luminescence from Li2B4O7:Cu and Li2B4O7:Cu, Ag single crystals has been investigated in the temperature range from 77K to 300K. An excitation…”
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Thermally stimulated luminescence process in copper and silver co-doped lithium tetraborate single crystals and its implication to dosimetry by Patra, G.D., Singh, S.G., Tiwari, B., Sen, S., Desai, D.G., Gadkari, S.C.

“…Single crystals of Li2B4O7 (LTB) doped with Cu and Ag and Cu, Ag co-doped have been grown using the Czochralski technique. Luminescence studies revealed a…”
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Effect of Ba2+ doping on the properties of CeBr3 single crystal by Sisodiya, D.S., Singh, S.G., Patra, G.D., Desai, D.G., Sen, Shashwati

“…•Growth of transparent and crack free single crystals of Ba doped CeBr3 of size 10 mm diameter and 15 mm length.•Ba2+ doping does not affects the structural…”
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Effect of OH content in the quartz crucible on the growth and quality of CsI single crystals and remedies by Patra, G.D., Singh, S.G., Desai, D.G., Pitale, Shreyas, Ghosh, Manoranjan, Sen, Shashwati

“…•OH concentration in quartz crucible affects the quality of grown crystals.•Out-diffusion of OH from quartz crucible as a function of temperature.•Effect of OH…”
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Improvement of the scintillation properties of Gd3Ga3Al2O12:Ce,B single crystals having tailored defect structure by Tyagi, M., Singh, A. K., Singh, S. G., Desai, D. G., Patra, G. D., Sen, S., Gadkari, S. C.

“…A novel approach is reported to minimize various defect centers in Ce doped Gd3Ga3Al2O12 single crystals to improve the scintillation properties. The crystals…”
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Tweaking the structure and symmetry of Y2B2O7:Eu3+ by B-site engineering for efficient and thermally stable phosphor: Y2Zr2O7 versus Y2Ge2O7 by Parayil, Reshmi T., Gupta, Santosh K., Sudarshan, K., Naidu, Boddu S., Patra, G.D., Mohapatra, M.

“…•Reduced symmetry of Y2Ge2O7:Eu3+ (YGeOE) tetragon compared to cubic Y2Zr2O7:Eu3+ (YZrOE).•Higher defect density in YGeOE compared to YZrOE which act as an…”
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Single crystal growth of 2 in. diameter LiI:Eu in carbon coated crucible and effect of post growth thermal treatment on scintillation by Sisodiya, D.S., Singh, S.G., Patra, G.D., Singh, A.K., Sen, Shashwati

“…This study focuses on economically and efficiently growing 2-inch diameter, 2-inch length LiI:Eu single crystals using Bridgman technique in carbon coated…”
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A systematic investigation on the effect of purity of raw material, crucible and crucible design on the single crystal growth of undoped and Eu doped SrI2 by Patra, G.D., Sisodiya, D.S., Singh, S.G., Ghosh, M., Pitale, S., Sen, Shashwati

“…•Impurity in raw materials/quartz crucible affects the quality of grown crystals.•Crucible designs play a crucial role for nucleation and further crystal…”
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Characteristics of Al/Ge Schottky and ohmic contacts at low temperatures by Pitale, Shreyas, Ghosh, Manoranjan, Singh, S.G., Manasawala, Husain, Patra, G.D., Sen, Shashwati

“…Schottky barrier contact has been fabricated by thermal deposition of Al on (100) p-Ge (impurity concentratioñ1010/cm3 at 80K) that shows n-type conductivity…”
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Oxygen vacancy induced luminescence in Y2Zr2O7 and its removal on Eu3+ doping leading to enhanced quantum efficiency by Parayil, Reshmi Thekke, Gupta, Santosh K., Modak, Brindaban, Patra, G.D., Rawat, N.S., Mohapatra, M.

“…To circumvent the low color rendering index and high color temperature of existing white light emitting diodes (LEDs), a lot of attention has been given on…”
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Luminescence properties of CaF2:Mn optically transparent ceramic by Singh, S.G., Sen, Shashwati, Patra, G.D., Gadkari, S.C.

“…The optically transparent ceramics (OTCs) of CaF2:Mn were fabricated by a vacuum hot-press method. Photo-luminescence (PL) and radio-luminescence measurements…”
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Development and characterization of polycrystalline transparent CsI plate for X-ray radiography applications by Sen, Shashwati, Sarkar, P.S., Patra, G.D., Singh, S.G., Ghosh, M., Pitale, S., Patil, A.N., Pal, Manoj K.

“…In this paper we report a novel way of processing CsI powder into poly-crystalline transparent plate by vacuum hot pressing technique. The fabricated CsI plate…”
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Fabrication of p+ contact by thermally induced solid state regrowth of Al on p-type Ge crystal by Ghosh, Manoranjan, Pitale, Shreyas, Singh, S.G., Manasawala, Husain, Karki, Vijay, Singh, Manish, Singh, Kulwant, Patra, G.D., Sen, Shashwati

“…Formation of p+ contact on germanium is important for its applications in diode detector and other electronic devices. In this work, thermally deposited Al on…”
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Uranium-Sensitized Luminescence Enhancement in Li 2 B 4 O 7 :U 6+ ,Eu 3+ and Potential Application towards Color-Tunable Phosphors and Actinide Sensor by T. P., Reshmi, Patra, G. D., Modak, Brindaban, Sudarshan, K., Sonawane, M., Sen, Shashwati, Gupta, Santosh K.

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Uranium-Sensitized Luminescence Enhancement in Li2B4O7:U6+,Eu3+ and Potential Application towards Color-Tunable Phosphors and Actinide Sensor by T. P., Reshmi, Patra, G. D., Modak, Brindaban, Sudarshan, K., Sonawane, M., Sen, Shashwati, Gupta, Santosh K.

“…Actinide–lanthanide interaction has led to many fascinating results in the past pertaining to applications in the area of energy, health, and the environment…”
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Optically stimulated luminescence in Ag doped Li2B4O7 single crystal and its sensitivity to neutron detection and dosimetry in OSL mode by Patra, G.D., Singh, S.G., Tiwari, B., Singh, A.K., Desai, D.G., Tyagi, M., Sen, S., Gadkari, S.C.

“…Optically stimulated luminescence (OSL) measurements have been carried out on single crystals of Ag doped Li2B4O7 (LTB:Ag) after exposure to various nuclear…”
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Assaying of SNM using Simultaneous Detection of Fission Neutrons and Gammas by Employing a Novel Phoswich Detector by Sonu, Tyagi, Mohit, Kelkar, A., Sahu, A., Sonawane, M., Sarkar, P.S., Pandey, A., Sathe, D.B., Patra, G.D., Vincent, T., Singh, S.G., Bhatt, R.B.

“…For the precise measurements of special nuclear materials (SNM) including Pu and Am isotopes, we have used phoswich detector combination of two single crystal…”
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Silver doped lithium tetraborate (Li2B4O7) single crystals as efficient dosimeter material with sub-micro-Gy sensitivity by Patra, G.D., Singh, S.G., Singh, A.K., Tyagi, M., Desai, D.G., Tiwari, B., Sen, S., Gadkari, S.C.

“…Single crystals of Li2B4O7 (LTB) with varying Ag content were grown using the Czochralski technique and studied for their optical absorption,…”
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Fabrication, properties and thermo-luminescent dosimetric application of CaF2:Mn transparent ceramic by Singh, S.G., Sen, Shashwati, Patra, G.D., Bhattacharya, S., Singh, A.K., Shinde, Seema, Gadkari, S.C.

“…An optically transparent ceramic of CaF2:Mn has been prepared by hot pressing of nano-phase powders under vacuum conditions. The transmission recorded for a…”
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Optically stimulated luminescence in Ag doped Li sub(2)B sub(4)O sub(7) single crystal and its sensitivity to neutron detection and dosimetry in OSL mode by Patra, G D, Singh, S G, Tiwari, B, Singh, A K, Desai, D G, Tyagi, M, Sen, S, Gadkari, S C

“…Optically stimulated luminescence (OSL) measurements have been carried out on single crystals of Ag doped Li sub(2)B sub(4)O sub(7) (LTB:Ag) after exposure to…”
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