Title Prof. First Name SITHARAMAN Last Name UMA
Designation Senior Professor
Department Department of Chemistry
Email suma@chemistry.du.ac.in
Webpage
Phone.no 011-27662650
Employement Info
Employee Type Nature Of Employment
Teaching Permanent
Educational
Degree/Certification Institution Year
Ph.D. - Novel layered and three-dimesional oxides of perovskite and related structures : Synthesis and investigation of ion-exchange and intercalation in the layered structures Indian Institute of Science, Bangalore 560012, India 1995
PG Bharathidasan University 1986
UG Madras University 1984
Teaching experience inside the Institution
Designation Institution Duration From Duration To
Permanent Professor University of Delhi 2012-01-16 2022-09-01
Research Guidance
PhD scholars under Supervision Awarded PhD Submitted
3 11 2
Research Publications
Article Name Publication Type Journal Name ISSN No Volume Year URL DOI
Microwave-assisted synthesis of ternary Li-M-Al LDHs (M = Mg, Co, Ni, Cu, Zn, and Cd) and examining their use in phenol oxidation Research Papers in Peer Reviewed Journals Appl. Clay Sci. 0169-1317 228 2022 https://doi.org/10.1016/j.clay.2022.106655
Insights into the honeycomb ordered Li3(MnM)SbO6 (M(II) = Co, Ni, Zn, Mg) and Li3(CoM')SbO6 (M'(II) = Ni, Zn, Mg) oxides. Research Papers in Peer Reviewed Journals Solid State Sci. 12993-2558 128 2022 https://doi.org/10.1016/j.solidstatesciences.2022.106894
Cuprous delafossites, Cu3(MFeSb)O6 (M = Na, Li) with honeycomb arrays, realized by topochemical ion-exchange reactions. Research Papers in Peer Reviewed Journals Ceram. Inter. 0272-8842 48 2022 https://doi.org/10.1016/j.ceramint.2022.01.265
Boosting defects through divalent ion substitution to tailor the optical, textural, catalytic, and photocatalytic properties of Th4+ -stabilized δ-Bi2O3 Research Papers in Peer Reviewed Journals Mater. Sci. Semicond. Process. 1369-8001 141 2022 https://doi.org/10.1016/j.mssp.2021.106441
Influence of oxidation state and ionic size in the formation of honeycomb ordered structures, Li3Mn2SbO6 and Li4CoSbO6 Research Papers in Peer Reviewed Journals J. Phys. Chem. Solids 1879-2553 163 2022 https://doi.org/10.1016/j.jpcs.2021.110559
Investigation of the structure, optical and magnetic properties of the honeycomb layered Na3(MnIIM)SbO6 (M (II) = Fe, Co, Ni, Zn, Mg) and Na3(FeIIM′)SbO6 (M′ (II) = Co, Ni, Zn, Mg) oxides Research Papers in Peer Reviewed Journals Mater. Today Commun. 2352-4928 30 2022 https://doi.org/10.1016/j.mtcomm.2021.103012
Polyaminocarboxylate promoted synthesis of Hafnium/Zirconium substituted anion excess In2O3: Structure, optical and electrical conductivity properties Research Papers in Peer Reviewed Journals Ceram. Inter. 2021 0272-8842 48 2021 https://doi.org/10.1016/j.ceramint.2021.11.221
Ordered LiGa5O8 loaded with redox capable Cu, Cr ions to manifest interesting optical, magnetic, and catalytic properties Research Papers in Peer Reviewed Journals J. Mater. Sci. 0022-2461 56 2021 https://doi.org/10.1007/s10853-021-06572-z
Enhanced surface adsorption of Congo red dye by the metastable α-LiAlO2 over LiAl2(OH)7⋅2H2O Research Papers in Peer Reviewed Journals Solid State Sciences 1293-2558 120 2021 https://doi.org/10.1016/j.solidstatesciences.2021.106724
Oxygen ion conductivity studies of bismuth and bismuth-calcium co-doped ThO2 Research Papers in Peer Reviewed Journals Ceram. Inter. 0272-8842 47 2021 https://doi.org/10.1016/j.ceramint.2021.04.161
Absence of long-range magnetic order in lithium-containing honeycombs in the Li-Cr-Sb(Te)-O phases. Research Papers in Peer Reviewed Journals Journal of Physics: Condensed Matter 0953-8984 33 2021 https://doi.org/10.1088/1361-648X/abff90
Microstructural changes caused by Ba and Pr doping in nanosized Bi2Ce2O7 leading to interesting optical, magnetic and catalytic property Research Papers in Peer Reviewed Journals CrystEngComm 1466-8033 23 2021 https://doi.org/10.1039/D0CE01550D
Role of the solvent medium in the wet-chemical synthesis of CuSbS2, Cu3SbS3, and bismuth substituted Cu3SbS3 Research Papers in Peer Reviewed Journals J. Chem. Sci., 0974-3626 132 2020 https://doi.org/10.1007/s12039-020-01831-z
Magnetic and photocatalytic properties of nano-sized sulfur-doped trirutile oxide, CuSb2O6 Research Papers in Peer Reviewed Journals Materials Science in Semiconductor Processing 1369-8001 119 2020 https://doi.org/10.1016/j.mssp.2020.105226
A new empirical potential for zeolite with variable Si/Al ratio : simulations vs. experiments Research Papers in Peer Reviewed Journals Micropor. Mesopor.Mat. 1387-1811 300 2020 https://doi.org/10.1016/j.micromeso.2020.110119
Synergistic influence of d0 (Nb5+) and d10 (Cd2+) cations in stabilizing non-centrosymmetric Dion-Jacobson layered perovskites, AʹCd2Nb3O10 (Aʹ = Rb, Cs). Research Papers in Peer Reviewed Journals Inorg. Chem 1520-510X 59 2020 https://doi.org/10.1021/acs.inorgchem.0c00291
Luminescence properties of Eu3+ and Tb3+ doped δ-Bi2O3 stabilized by Th4+ substitution. Research Papers in Peer Reviewed Journals J. Am. Ceram. Soc. 1551-2916 103 2020 https://doi.org/10.1111/jace.16768
Soft-Chemistry Approach to Synthesize Al3+, Ga3+ and Zr4+ Stabilized Ion-Exchangeable Ruddlesden-Popper Layered Perovskite Oxides Research Papers in Peer Reviewed Journals Cryst. Growth Des 1528-7483 19 2019 https://doi.org/10.1021/acs.cgd.9b00282
Systematic color variation across the solid solution members, Li2Mn1-xTixO3 (0.0 ≤ x ≤ 1.0) Research Papers in Peer Reviewed Journals J. Phys. Chem. Solids 1879-2553 134 2019 https://doi.org/10.1016/j.jpcs.2019.06.019
New Series of Honeycomb Ordered Oxides, Na3M2SbO6 (M (II) = Mn, Fe, (Mn, Fe), (Mn, Co)), Synthesis, Structure and Magnetic Properties Research Papers in Peer Reviewed Journals Dalton Trans 1477-9234 48 2019 https://doi.org/10.1039/C9DT01194C
Synthesis and characterization of sodium-iron antimonate Na2FeSbO5: One-dimensional antiferromagnetic chain compound with spin-glass ground state Research Papers in Peer Reviewed Journals Inorg. Chem 1520-510X 58 2019 https://doi.org/10.1021/acs.inorgchem.9b00212
Transformation of scheelite M2MoTiO8 (M = Eu, Gd, Dy, Y) and zircon MVO4 (M = Ce, Sm, Gd, Dy) oxides to fluorite oxynitrides and perovskite oxides under mild ammonolysis conditions Research Papers in Peer Reviewed Journals Solid State Sci. 1293-2558 89 2019 https://doi.org/10.1016/j.solidstatesciences.2018.12.013
Catalytic applications of mesoporous CaBi2O4 obtained from a single source precursor Research Papers in Peer Reviewed Journals Res ChemIntermediat 1568-5675 45 2019 https://doi.org/10.1007/s11164-019-03746-y
Effective catalytic reduction of aromatic nitrocompounds using mineral beyerite, CaBi2O2(CO3)2 Research Papers in Peer Reviewed Journals J. Environ. Chem. Eng 2213-3437 6 2018 https://doi.org/10.1016/j.jece.2018.06.068
Optical property evaluation of thoria doped with heavier rare‐earth oxides LnO1.5 (Ln = Er3+, Ho3+, Tm3+, and Yb3+) Research Papers in Peer Reviewed Journals J Am Ceram Soc. 1551-2916 102 2018 https://doi.org/10.1111/jace.16053
Correlating oxide ion conductivity with ionic size of dopant and defect structures in ThO2-LnO1.5 (Ln = Y, La and Gd) prepared by modified epoxide gel method Research Papers in Peer Reviewed Journals Solid State Ion. 0167-2738 329 2018 https://doi.org/10.1016/j.ssi.2018.11.016
Catalytic application of oxygen vacancies induced by Bi3+ incorporation in ThO2 samples obtained by solution combustion synthesis Research Papers in Peer Reviewed Journals ACS Omega 2470-1343 3 2018 https://doi.org/10.1021/acsomega.8b00528
Evaluation of solid solution formation between ThO2 and δ- Bi2O3 by molecular precursor route Research Papers in Peer Reviewed Journals Mat. Res. Bull. 0025-5408 107 2018 https://doi.org/10.1016/j.materresbull.2018.07.001
Efficient use of a polyamine carboxylate ligand to probe the extent of incorporation of stereochemically active Bi3+ in ThO2 Research Papers in Peer Reviewed Journals Chemistry Select 2365-6549 3 2018 https://doi.org/10.1002/slct.201801027
Synthesis, characterization of new Bi3+containing apatites: Formation of red emitting phosphors by Eu3+ incorporation Research Papers in Peer Reviewed Journals J. Solid State Chem 1095-726X 254 2017 https://doi.org/10.1016/j.jssc.2017.07.005
Luminescence properties of Tb3+ and Eu3+ doped beyeriteCaBi2O2(CO3)2 Research Papers in Peer Reviewed Journals Mat. Res. Bull 0025-5408 95 2017 https://doi.org/10.1016/j.materresbull.2017.08.003
Facile synthesis and characterization of acetate intercalated Co-La layered double hydroxide Research Papers in Peer Reviewed Journals J. Rare Earths 1002-0721 35 2017 https://doi.org/10.1016/S1002-0721(17)60936-0
Single step hydrothermal synthesis of beyerite, CaBi2O2(CO3)2 for the fabrication of UV-visible light photocatalyst BiOI/CaBi2O2(CO3)2 Research Papers in Peer Reviewed Journals RSC Adv. 2046-2069 6 2016 https://doi.org/10.1039/C6RA06723A
Synthesis and characterization of new rocksalt superstructure type layered oxides Li4.5M0.5TeO6 (M(III) = Cr, Mn, Al, Ga) Research Papers in Peer Reviewed Journals Mat. Res. Bull. 0025-5408 76 2016 https://doi.org/10.1016/j.materresbull.2015.12.011
Synthesis of zinc blende CuInS2 and Fe-substituted CuInS2 by the reaction of binary colloids Research Papers in Peer Reviewed Journals Colloids Surf. A 0927-7757 481 2015 https://doi.org/10.1016/j.colsurfa.2015.05.027
Synthesis and crystal structure of Bi6(Bi0.5Cu0.5)V2O15+y Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 230 2015 https://doi.org/10.1016/j.jssc.2015.07.038
Interesting cationic (Li+/Fe3+/Te6+) variations in new rocksalt ordered structures Research Papers in Peer Reviewed Journals J. Chem. Sci. 0974-3626 127 2015 https://doi.org/10.1007/s12039-015-0784-3
Optical and Magnetic Properties of (Er, F) co-doped SnO2Nanocrystals Research Papers in Peer Reviewed Journals Turk. J. Phys. 1303-6122 38 2014 10.3906/fiz-1405-4
A simple one pot synthesis of cubic Cu5FeS4 Research Papers in Peer Reviewed Journals RSC Adv. 2046-2069 4 2014 https://doi.org/10.1039/C4RA06939K
Evidence of cationic mixing and ordering in the honeycomb layer of Li4MSbO6 (M (III) = Cr, Mn, Al, Ga) (S.G. C2/c) oxides Research Papers in Peer Reviewed Journals Dalton Trans. 1477-9234 43 2014 https://doi.org/10.1039/C4DT00887A
Formation of honeycomb ordered monoclinic Li2M2TeO6 (M = Cu, Ni) and disordered orthorhombic Li2Ni2TeO6 oxides Research Papers in Peer Reviewed Journals Dalton Trans. 1477-9234 42 2013 https://doi.org/10.1039/C3DT51604K
Single step hydrothermal based synthesis of M(II)Sb2O6 (M = Cd and Zn) type antimonates and their photocatalytic properties Research Papers in Peer Reviewed Journals Bull. Mater. Sci. 0973-7669 36 2013 https://doi.org/10.1007/s12034-013-0454-3
Precursor driven one pot synthesis of wurtzite and chalcopyrite CuFeS2 Research Papers in Peer Reviewed Journals Chem. Comm. 1364-548X 49 2013 https://doi.org/10.1039/C3CC43456G
Novel lithium-containing mixed metal oxides with honeycomb structures Research Papers in Peer Reviewed Journals Inorg. Chem 1520-510X 51 2012 https://doi.org/10.1021/ic301125n
Synthesis and structural investigation of a unique columnar phase in the Bi2O3-TeO2- V2O5 system Research Papers in Peer Reviewed Journals Inorg. Chem. 1520-510X 51 2012 https://doi.org/10.1021/ic2017159
Synthesis and optical properties of pure CdTiO3 and Ni2+ and Zn2+ ion substituted CdTiO3 obtained by a novel precursor route Research Papers in Peer Reviewed Journals Ind. J. Chem 0376-4710 51A 2012 http://nopr.niscpr.res.in/handle/123456789/14889
Investigation of cation (Sn2+) and anion (N3-) substitution in favor of visible light photocatalytic activity in the layered perovskite K2La2Ti3O10 Research Papers in Peer Reviewed Journals J. Hazard. Mater. 2011 https://doi.org/10.1016/j.jhazmat.2011.02.064
Investigation of visible light photocatalytic behavior of Bi4V2O11-δ and BIMEVOX (ME = Al, Ga) oxides Research Papers in Peer Reviewed Journals Mater. Res. Bull. 0304-3894 189 2010 https://doi.org/10.1016/j.materresbull.2010.05.007
Use of a chelating agent for the synthesis of high surface area pyrophanite MnTiO3 powders Research Papers in Peer Reviewed Journals Mater. Lett. 0167-577X 64 2010 https://doi.org/10.1016/j.matlet.2009.12.040
Comments on “Visible-Light-induced photo catalyst based on Nickel Titanate Nanoparticles” Research Papers in Peer Reviewed Journals Ind. Eng. Chem. Res. 1520-5045 49 2010 https://doi.org/10.1021/ie9018879
Facile room temperature ion-exchange synthesis of Sn2+ incorporated pyrochlore-type oxides and their photocatalytic activities Research Papers in Peer Reviewed Journals Inorg. Chem 1520-5045 48 2009 https://doi.org/10.1021/ic901658w
Efficient Photocatalytic Degradation of Organic Compounds over silver containing mixed metal oxide under UV and Visible light Irradiation Research Papers in Peer Reviewed Journals J. Phys. Chem. C. 1932-7447 113 2009 https://doi.org/10.1021/jp901729v
Synthesis and characterization of titanates of the formula MTiO3 (M = Mn, Fe, Co, Ni and Cd) by co-precipitation of mixed metal oxalates Research Papers in Peer Reviewed Journals Polyhedron 0277-5387 28 2009 https://doi.org/10.1016/j.poly.2008.11.056
A review of the chemical manipulation of nanomaterials using solvents: Gelation dependent structures Research Papers in Peer Reviewed Journals J. Sol-Gel Sci. Technol. 0928-0707 40 2006 https://doi.org/10.1007/s10971-006-8369-8
Single-step synthesis of a highly active visible-light photocatalyst for oxidation of a common indoor air pollutant: Acetaldehyde Research Papers in Peer Reviewed Journals Adv. Mater. 0935-9648 17 2005 https://doi.org/10.1002/adma.200402064
Decontamination of Gaseous Acetaldehyde over CoOx-Loaded SiO2 Xerogels under Ambient, Dark Conditions Research Papers in Peer Reviewed Journals Langmuir 0743-7463 21 2005 https://doi.org/10.1021/la040070+
Visible-light photooxidation of trichloroethylene by Cr-Al-MCM-41 Research Papers in Peer Reviewed Journals J. Catalysis 0021-9517 230 2005 https://doi.org/10.1016/j.jcat.2004.11.044
Ag-Br/Al-MCM-41 visible light photocatalyst for gas-phase decomposition of CH3CHO Research Papers in Peer Reviewed Journals J. Catalysis 0021-9517 233 2005 https://doi.org/10.1016/j.jcat.2005.05.011
Aerogel processing of MTi2O5 (M = Mg, Mn, Fe, Co, Zn, Sn) compositions using single source precursors: synthesis, characterization and photocatalytic behavior Research Papers in Peer Reviewed Journals J. Mol. Catal. A: Chem. 1001-3555 229 2005 https://doi.org/10.1016/j.molcata.2004.11.008
Structural Defects Cause TiO2-based Photocatalysts to be Active in Visible Light Research Papers in Peer Reviewed Journals J., Chem. Comm 1359-7345 2004 https://doi.org/10.1039/B409730K
Exploration of Photocatalytic activities of Titanosilicate ETS-10 and Transition metal Incorporated ETS-10 Research Papers in Peer Reviewed Journals J, MicroporousMesoporous Mater. 1387-1811 67 2004 https://doi.org/10.1016/j.micromeso.2003.11.003
Visible light induced photocatalytic activity for degradation of acetaldehyde using transition metal incorporated Al-MCM-41 (aluminum doped silica zeolitic material) Research Papers in Peer Reviewed Journals J. Photochem.Photobiol., A 1010-6030 165 2004 https://doi.org/10.1016/j.jphotochem.2003.11.010
Visible light photocatalysis in transition metal incorporated titania-silica aerogels Research Papers in Peer Reviewed Journals Appl. Catal. 0926-3373 48 2004 https://doi.org/10.1016/j.apcatb.2003.10.006
Visible light photocatalytic activities of transition metal oxide/silica aerogels Research Papers in Peer Reviewed Journals Microporous Mesoporous Mater 1387-1811 75 2004 https://doi.org/10.1016/j.micromeso.2004.07.011
Face-centered cubic and hexagonal close-packed nanocrystal superlattices of gold nanoparticale prepared by different methods Research Papers in Peer Reviewed Journals J. Phys. Chem. B 1520-6106 107 2003 https://doi.org/10.1021/jp030013+
Reply to Porob and Guru Row on the Structure of NaBi3V2O10 Research Papers in Peer Reviewed Journals Chem. Mater. 1520-5002 14 2002 https://doi.org/10.1021/cm022001r
A new bismuth magnesium vanadate with reduced vanadium: BiMg2.5V18.5O38 Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 164 2002 https://doi.org/10.1006/jssc.2001.9458
Oxygen ion conductivity in new oxygen deficient phases with scheelite related structures Research Papers in Peer Reviewed Journals Solid State Sci. 1293-2558 4 2002 https://doi.org/10.1016/S1293-2558(01)01260-2
New CuM2/3Sb1/3O2 and AgM2/3Sb1/3O2 compounds with delafossite structure Research Papers in Peer Reviewed Journals Solid State Sci. 1293-2558 4 2002 https://doi.org/10.1016/S1293-2558(02)01295-5
Synthesis and Structure of BiMnPO5 Research Papers in Peer Reviewed Journals J. Alloys Compd. 0925-8388 338 2002 https://doi.org/10.1016/S0925-8388(02)00213-X
Synthesis and Structure of New BiMn2PO6 compounds where M = P, As, or V Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 167 2002 https://doi.org/10.1006/jssc.2002.9654
Derivatization of the rhombohedral rare-earth-Metal (R) cluster halides R7(Z)X12: the new NaLa6(Os)I12 Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 161 2001 https://doi.org/10.1006/jssc.2001.9313
Structure of NaBi3V2O10 and implications for ionic conductivity Research Papers in Peer Reviewed Journals Chem. Mater. 1520-5002 13 2001 https://doi.org/10.1021/cm010522t
Low-temperature reaction of aurivillius phases with halides Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 150 2000 https://doi.org/10.1006/jssc.2000.8638
Structure and properties of Tl2Nb2O6+x phases with the pyrochlore structure Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 125 2000 https://doi.org/10.1006/jssc.2000.8937
α-K4R6I14Os (R = La, Pr): A Novel iodine-rich structure with a layered network of Electron-Poor Clusters. An incipient delocalized system with metal-like conductivity Research Papers in Peer Reviewed Journals Inorg. Chem. 1520-510X 38 1999 https://doi.org/10.1021/ic990638f
β-K4La6I14Os: A new structure type for rare-earth-metal cluster compounds that contains discrete tetrahedral K4I3+ Units Research Papers in Peer Reviewed Journals Inorg. Chem. 1520-510X 36 1999 https://doi.org/10.1021/ic990072v
K2La6I12Os: a new structure type for isolated clusters that is generated by cation requirements Inorg. Chem. 1998
New La2CuO4 derivatives La2-2xSr2xCu1-xMxO4 (M = Ti, Mn, Fe, Ru): A study of linear Cu-O-M electronic interaction in two dimensions Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 128 1997 https://doi.org/10.1006/jssc.1996.7160
Slicing the layered perovskite structure into layers: synthesis of novel three-dimensional and layered perovskite oxides, ALaSrNb2MIIO9 (A = Na, Cs) Research Papers in Peer Reviewed Journals J. Am. Chem. Soc. 1551-2916 117 1995 https://doi.org/10.1021/ja00113a026
Polymerization of aniline in layered perovskites Research Papers in Peer Reviewed Journals Mater. Sci. Eng. 34 1995 https://doi.org/10.1016/0921-5107(95)01235-4
Acid Leaching of LiMW2O8 (M = Al, Fe) in aqueous HNO3. Formation of WO3.H2O and WO3. 1/3H2O Research Papers in Peer Reviewed Journals J. Mater. Chem. 0959-9428 5 1995 http://dx.doi.org/10.1039/JM9950500927
Organic Additive Mediated Synthesis of Novel Cobalt (II) Hydroxides J. Solid State Chem. 1095-726X 114 1995 https://doi.org/10.1006/jssc.1995.1084
Soft chemical routes of solid oxide materials Research Papers in Peer Reviewed Journals Proc. Ind. Acad. Sci., (Chem.Sci.) 109 1994 https://doi.org/10.1007/BF02911091
Synthesis of anion-deficient layered perovskites, ACa2Nb3-xMxO10-x (A = Rb, Cs; M = Al, Fe), (0 x < 2), exhibiting ion-exchange and intercalation. Evidence for the formation of layered brownmillerites, ACa2Nb2AlO9 Research Papers in Peer Reviewed Journals Chem. of Mater. 0897-4756 6 1994 https://doi.org/10.1021/cm00043a008
Synthesis of layered perovskite oxides ACa2-xLaxNb3-xTixO10 (A = K, Rb, Cs), (0 x < 2), and Characterization of New Solid Acids HCa2-xLaxNb3-xTixO10, exhibiting variable bronsted acidity Research Papers in Peer Reviewed Journals Chem. Mater. 0897-4756 5 1993 http://pubs.acs.org/doi/abs/10.1021/cm00025a025
Bridging the Ruddlesden-Popper and Dion-Jacobson series of layered perovskites: Synthesis of A2-xLa2Ti3-xNbxO10 (A = K, Rb), exhibiting ion-exchange Research Papers in Peer Reviewed Journals J. Mater. Chem. 0959-9428 3 1993 https://doi.org/10.1039/JM9930300709
K1-xLaxCa2-xNb3O10, A layered perovskite series with variable interlayer cation Density, and LaCaNb3O10, A novel layered perovskite oxide with no interlayer cations Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 102 1993 https://doi.org/10.1006/jssc.1993.1042
Synthesis of novel oxide pyrochlores, A2BB’O7 (A = La, Nd; BB’ = Pb, Sn, Bi) by alkali melt route Research Papers in Peer Reviewed Journals J. Solid State Chem. 1095-726X 105 1993 https://doi.org/10.1006/jssc.1993.1253
A2MoTiO7-x (A = rare earth or Y): A new series of oxide pyrochlores prepared by topochemical reduction of A2MoTiO8 scheelites Research Papers in Peer Reviewed Journals J. Alloys Compd 0925-8388 184 1992 https://doi.org/10.1016/0925-8388(92)90509-8
Dion–Jacobson A′MIIINaNb3O10 (A′ = Rb, Cs; M(III) = Sm, Bi) and RbSmNa2Nb4O13 layered perovskites and their luminescent function Research Papers in Peer Reviewed Journals Journal of material chemistry 10 2022 10.1039/D2TC03179E
Publications other than journal articles
Title of Publication Type of Publication Publisher Role in Publication ISBN Number Year URL Level
Chapter on complex layered oxides (Vol. 1, Materials and Structure of Solids), Handbook of Solid State Chemistry Text/Reference/Subject Books/Other Uma S Author 2017 International
Research Projects
Title of the Project Project Type Year Of Sanction Output Start Date End Date
Systematic synthetic exploration based on cation and anion variations for the identification and characterization of new solid state materials 2011 2011-10-24 2015-07-23
Exploratory Synthetic Investigation to Recognize Novel Solid Oxide Materials with an Emphasis on Layered Structures 2017 2017-09-27 2020-09-26
Maneuvering layered materials through soft-chemistry approaches Minor 2020 2020-12-31 2021-03-15
chemistry methods for the synthesis and characterization of new layered materials. 2021 2021-10-29 2022-03-15
A SYSTEMATIC PROBE TO DEVELOP FUNCTIONAL MATERIALS WITH STRUCTURES ORGANISED BY OXYANIONS. 2022 2022-01-04 2025-01-03
Soft - chemistry methods for the synthesis and characterization of new layered materials. 2022 2022-08-31 2023-02-15
Honour And Awards
Name of the Award Name of the Awarding Body Award Category Level Date of Award
K.P. Abraham Gold Medal of Indian Institute of Science, Bangalore, India. Indian Institute of Science, Bangalore, India. Academic National 1996-02-26
Maya Devi Juneja Gold Medal ISCAS (Indian Association of Solid State Chemists and Allied Chemists Research National 2015-05-08
Seminar / Conference Details / Workshops
Title of the Activity Attended As Date
Solid State Chemistry of rock salt superstructure variants. Exploration leading to functional materials Invited Talk 2020-03-08
Solid State Chemistry. Basic Concepts to Endless Prospects Invited Talk 2019-02-26
10th National conference on “Solid State Chemistry and Allied Areas (ISCAS-2017)” organized by Bhaskaracharya College of Applied Sciences, University of Delhi in association with Indian Association of Solid State Chemists and Allied Scientists Invited Talk 2017-07-01
Exploration and Identification of new solid state structures aided by single crystal X-ray diffraction, First south east Asia conference on crystal engineering (SEACCE). Invited Talk 2016-09-05
Synthesis and characterization of solid state materials: potential solid electrolytes and electrodes. Invited Talk 2016-06-06
Synthetic Solid State Chemistry focusing on Metastable Materials Invited Talk 2016-06-13
Structural Diversity in Solid State Chemistry Invited Talk 2016-02-10
Solid State Materials; Introductory Concepts to Endless Prospects, 1st National Conference On Emerging Trends & Future Challenges in Chemical Sciences Invited Talk 2016-02-03
Investigation of the various cationic distributions in new Lithium based Rocksalt ordered structures, 9th National Conference on Solid State Chemistry and Allied Areas (ISCAS -2015), 2015 Invited Talk 2015-05-08
Interesting Cationic (Li+/Fe3+/Te6+) variations in new rocksalt ordered structures. Invited Talk 2016-12-13
Exploration and Identification of new solid state structures aided by single crystal X-ray diffraction, Sitharaman Uma (Invited talk), Invited Talk 2016-09-01
Synthesis and Characterization of Solid State Materials: Potential Solid Electrolytes, and Electrodes Invited Talk 2016-06-06
Investigation of catalytic and photocatalytic applications of CaBi2O2(CO3)2 and BiOI/CaBi2O2(CO3)2 Poster Presentation 2016-03-01
Investiagtion of BiOI/CaBi2O2(CO3)2 composite for potential photocatalytic applications Poster Presentation 2016-02-01
Synthesis and Characterization of BiOI/CaBi2O2(CO3)2 composite as photocatalyst utilizing UV/visible light irradiation Poster Presentation 2016-05-08
Investigations of the various cationic distributions in new lithium based rocksalt ordered structures Invited Talk 2015-05-08
Synthesis and structural characterization of new phosphosilicate apatites and investigation of photoluminescence by Eu3+ doping Poster Presentation 2014-12-09
Precursor driven one pot synthesis of Wurtzite and Chalcopyrite CuFeS2, Poster Presentation 2013-12-16
Lithium Containing Layered Mixed Metal Oxides With Honeycomb Ordered Structures Poster Presentation 2013-12-13
Interesting Cationic (Li+/Fe3+/Te6+) variations in new rocksalt ordered structures Invited Talk 2013-12-13
A simple unconventional approach for composition control in copper-iron-sulfur system Invited Talk 2012-09-01
Novel Lithium Containing Mixed Metal Oxides Honeycomb Structures Invited Talk 2012-12-11
Ion exchange synthesis and characterization of new pyrochlore copper(1) antimony oxide Invited Talk 2011-06-03
Optical and photocatalytic properties of heavily doped SnO2 nanocrystals by a novel single source precursor approach Invited Talk 2011-06-01
Investigation of the synthesis, structure and photocatalytic applications of anion incorporated layered oxides Poster Presentation 2010-12-01
Synthesis and Investigation of Structural and Photocatalytic Properties of Mixed Metal Oxides Poster Presentation 2008-12-06
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