Issue Date | Title | Author(s) |
1999-01 | A Comparative Study of Water- and Benzene-Saturated Mesoporous Silicas by 1H NMR Spectroscopy | Ayyappan, S; Suryaprakash, N; Ramanathan, K V; Rao, C N R |
1999-06 | Layered Tin(II) Oxalates Possessing Large Apertures | Natarajan, Srinivasan; Vaidhyanathan, R; Rao, C N R; Ayyappan, S; Cheetham, Anthony K |
1997-03-21 | Mesoporous aluminoborates | Ayyappan, S; Rao, C N R |
1997 | Nanoparticles of Ag, Au, Pd, and Cu produced by alcohol reduction of the salts | Ayyappan, S; Gopalan, R Srinivasa; Subbanna, G N; Rao, C N R |
1996 | Nanoparticles of nickel and silver produced by the polyol reduction of the metal salts intercalated in montmorillonite | Ayyappan, S; Subbanna, G N; Gopalan, R Srinivasa; Rao, C N R |
1995-06 | Novel Metastable Structures of WO3 MOO3and W1-xMoxO3 Obtained by the Deintercalation of Layered Amine Adducts | Ayyappan, S; Subbanna, G N; Rao, C N R |
1998-08 | A Novel Monomeric Tin(II) Phosphate, [N(C2H5NH3)3]3+[Sn(PO4)(HPO4)]3−•4H2O, Connected through Hydrogen Bonding | Ayyappan, S; Cheetham, A K; Natarajan, S; Rao, C N R |
1998-06 | Novel Open-Framework Tin(II) Phosphate Materials Containing Sn-O-Sn Linkages and Three-Coordinated Oxygens | Natarajan, S; Ayyappan, S; Cheetham, A K; Rao, C N R |
1994-01-10 | Oxyanion derivatives of cuprate superconductors - Superconducting 123 phosphates | Nagarajan, R; Ayyappan, S; Rao, C N R |
1993-08 | Oxyanion derivatives of cuprate superconductors : Superconducting thallium cuprate oxysulfate, Tl0.5Pb0.5Sr4Cu2(SO4)Oy | Ayyappan, S; Manivannan, V; Subbanna, G N; Rao, C N R |
1998-10-21 | A Simple Ladder Tin Phosphate And Its Layered Relative | Ayyappan, S; Bu, X; Cheetham, A K; Natarajan, Srinivasan; Rao, C N R |
1995-08 | A simple method of hydrogen insertion in transition metal oxides to obtain bronzes | Ayyappan, S; Rao, C N R |
1993-12 | Structure and properties of oxyanion derivatives of 123 cuprate superconductors: Effect of substitution of carbonate and nitrate ions in the Cu(1) position of YBaSrCu3O7−δ | Rao, C N R; Nagarajan, R; Mahesh, R; Kulkarni, G U; Ayyappan, S; Subbanna, G N |
1999-09-07 | Synthesis and characterization of a three-dimensional open-framework lead(II) carboxyethylphosphonate, Pb-3(O2CCH2CH2PO3)(2) | Ayyappan, S; de Delgado, G Diaz; Cheetham, A K; Ferey, G; Rao, C N R |
1998-11 | Synthesis And Structural Characterization Of A Chiral Open-Framework Tin(Ii) Phosphate, [Cn3h6][Sn4p3o12] (Guan-Snpo) | Ayyappan, S; Bu, X; Cheetham, A K; Rao, C N R |
2000-02 | Synthesis, characterization and acid-base catalytic properties of ammonium-containing tin(ll) phosphates: [NH4][Sn4P3O12] and [NH4] [SnPO4] | Ayyappan, S; Chang, J S; Stock, N; Hatfield, R; Rao, C N R; Cheetham, A K |
1998-11 | Tin(II) Oxalates Synthesized in the Presence of Structure-Directing Organic Amines: Members of a Potentially Vast Class of New Open-Framework and Related Materials | Ayyappan, S; Cheetham, A K; Natarajan, S; Rao, C N R |