Zobrazeno 1 - 10
of 1 722
pro vyhledávání: '"S. Buddhudu"'
Autor:
V. Naresh, K.T. Ramakrishna Reddy, R. Ramaraghavulu, B.H. Rudramadevi, C. Parthasaradhi Reddy, S. Buddhudu
Publikováno v:
Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 144:68-75
The present paper reports on the results pertaining to photoluminescence properties of Tb 3+ , Sm 3+ and energy transfer from Tb 3+ to Sm 3+ ions in lithium zinc phosphate (LZP) glass matrix prepared by melt quenching method. Besides photoluminescenc
Publikováno v:
Journal of Luminescence. 161:456-464
Sm 3+ :PEO+PVP, Sm 3+ +Tb 3+ :PEO+PVP and Sm 3+ +Tb 3+ +Ag NPs:PEO+PVP polymer films have successfully been synthesized by a solution casting method. For these polymer films, their XRD, FTIR and RAMAN spectral profiles have been analyzed. Both absorp
Publikováno v:
Ferroelectrics Letters Section. 41:110-122
In the present work, the chemical co-precipitation method has successfully been employed in the preparation of GdFeO3 nanoparticles. Prepared samples have been sintered at different temperatures in order to investigate their structural changes using
Publikováno v:
Ferroelectrics Letters Section. 41:28-43
Present work reports on the synthesis of Co2+, Ni2+ and Cu2+ ions doped willemite α-Zn2SiO4 nanoceramic sol-gel powders. The structural and morphological of these materials were carried out using XRD, Raman and field emission scanning electron micro
Autor:
S. Buddhudu, B. Chandra Babu
Publikováno v:
Journal of Sol-Gel Science and Technology. 70:405-415
Present paper reports on the synthesis and electrical properties of Ni2+:Zn2SiO4 (Zn2−xSiO4 = xNi2+, x = 0.0, 0.25, 0.50 and 0.75 mol%) ceramic powders by a conventional sol–gel method. The structural details of Ni2+:Zn2SiO4 ceramic powders have
Autor:
B. Chandra Babu, S. Buddhudu
Publikováno v:
Indian Journal of Physics. 88:631-640
Nanocomposites of host Zn2SiO4 and Cu2+:Zn2SiO4, Ni2+:Zn2SiO4 and Co2+:Zn2SiO4 powders have successfully been synthesised by means of sol–gel method. Their structural and morphological studies have been carried out from the measurement of their X-r
Publikováno v:
Journal of Luminescence. 147:316-323
Tb3+ and Eu3+ each ion individually doped and also both these ions doped in PEO+PVP blended polymer films have successfully been synthesized using solution casting method. XRD analyses of these films have demonstrated that those are in semi-crystalli
Autor:
V. Naresh, S. Buddhudu
Publikováno v:
Journal of Luminescence. 147:63-71
The present paper brings out the results concerning the preparation and optical properties of Sm 3+ and Dy 3+ each ion separately in four different concentrations (0.1, 0.5, 1.0 and 1.5 mol%) and also together doped (1 mol% Dy 3+ + x mol% Sm 3+ ): Li
Autor:
R. Ramaraghavulu, S. Buddhudu
Publikováno v:
Ferroelectrics. 460:57-67
Ferroelectric BaBi2Nb2O9 ceramic powders have been prepared using solid state reaction method. Samples have been sintered at four different temperatures of 800°C, 900°C, 1000°C and 1100°C each for 5 hrs. The XRD profiles have shown that the sampl
Publikováno v:
Advances in Materials Physics and Chemistry. :165-171
Present paper reports on luminescence characteristics of individually doped Bi3+: PZL, Sm3+: PZL and co-doped (Bi3+/Sm3+): PZL (50P2O5-30ZnO-20LiF) glasses prepared by a melt quenching method. The results revealed that Bi3+: PZL glass exhibited a bro