Prof. C.N.R. Rao's Publications: Recent submissions

Now showing items 501-520 of 892

An Investigation of Well-Characterized Small Gold Clusters by Photoelectron Spectroscopy, Tunneling Spectroscopy, and Cognate Techniques

Rao, C N R; Vijayakrishnan, V; Aiyer, Hemantkumar N; Kulkarni, G U; Subbanna, G N (American Chemical Society, 1993-10-28)

After microscopic characterization of the size distributions of gold clusters, deposited on carbon substrates by vacuum evaporation or by soft landing, Au(4f) binding energy of the clusters has been measured as a function ...
An organic channel structure formed by the supramolecular assembly of trithiocyanuric acid and 4,4'-bipyridyl

Ranganathan, Anupama; Pedireddi, V R; Chatterjee, Swati; Rao, C N R (Royal Society of Chemistry, 1999-10)

Trithiocyanuric acid (TCA) and 4,4'-bipyridyl (BP) form hydrogen-bonded co-crystals with aromatic compounds such as benzene, toluene, p-xylene and anthracene. The TCA-BP co-crystal is composed of cavities formed by the N-H ...
Effect of the cation size disorder on charge ordering in rare-earth manganates

Vanitha, P V; Santhosh, P N; Singh, R S; Rao, C N R; Attfield, J P (American Physical Society, 1999-06-01)

The effect of disorder arising from the mismatch between the average sizes of the A-site cations in the rare-earth manganates, L(0.5)A(0.5)MnO(3) (L = rare earth, A = alkaline earth), on their charge-ordering behavior has ...
Mossbauer spectroscopic study of spin reorientation in Mn-substituted yttrium orthoferrite

Sundarayya, Y; Mandal, P; Sundaresan, A; Rao, C N R (IOP Publishing Ltd, 2011-11-02)

The first-order spin-reorientation transition in the Mn-substituted yttrium orthoferrites, YFe(1-x)Mn(x)O(3) (x = 0.1, 0.15 and 0.2), has been investigated using (57)Fe Mossbauer spectroscopy. Owing to its large anisotropy, ...
Superlattices of Metal and Metal-Semiconductor Quantum Dots Obtained by Layer-by-Layer Deposition of Nanoparticle Arrays

Sarathy, K Vijaya; Thomas, P John; Kulkarni, G U; Rao, C N R (American Chemical Society, 1999-01-21)

Superlattices formed by arrays of Pt or Flu nanoparticles have been obtained by layer-by-layer deposition by using dithiols as cross-linkers. The superlattices have been characterized by X-ray diffraction, photoelectron ...
Nonlinear electrical conduction and broad band noise in the charge-ordered rare earth manganate Nd0.5Ca0.5MnO3

Guha, Ayan; Ghosh, Arindam; Raychaudhuri, A K; Parashar, S; Raju, A R; Rao, C N R (American Institute of Physics, 1999-11-22)

Measurements of the dc transport properties and the low-frequency conductivity noise in films of charge-ordered Nd0.5Ca0.5MnO3 grown on Si substrate reveal the existence of a threshold field in the charge-ordered regime ...
Effect of Compositional Fluctuations on the Phase Transitions in (Nd1/2Sr1/2)MnO3

Woodward, P M; Cox, D E; Vogt, T; Rao, C N R; Cheetham, A K (American Chemical Society, 1999-12)

High-resolution synchrotron X-ray and neutron powder diffraction techniques have been used to investigate the structural and magnetic phase transitions in two polycrystalline samples with nominal composition (Nd0.5Sr0.5)MnO3. ...
Four decades of research in solid state chemistry

Rao, C N R (Indian Academy of Sciences, 1993-12)

Solid state chemistry was in its infancy when the author got interested in the subject. In this article, the author outlines the manner in which the subject has grown over the last four decades, citing representative ...
Novel materials, materials design and synthetic strategies: recent advances and new directions

Rao, C N R (Royal Society of Chemistry, 1999-01)

There have been major advances in solid state and materials chemistry in the last two decades and the subject is growing rapidly. In this account, a few of the important aspects of materials chemistry of interest to the ...
Hydrothermal Synthesis of Organic Channel Structures: 1:1 Hydrogen-Bonded Adducts of Melamine with Cyanuric and Trithiocyanuric Acids

Ranganathan, A; Pedireddi, V R; Rao, C N R (American Chemical Society, 1999-03-03)
Electric-field-induced insulator-metal transitions in thin films of charge-ordered rare-earth manganates

Ponnambalam, V; Parashar, Sachin; Raju, A R; Rao, C N R (American Institute of Physics, 1999-01-11)

Thin films of charge-ordered Nd0.5Ca0.5MnO3, Y0.5Ca0.5MnO3, and Nd0.5Sr0.5MnO3 have been prepared on Si(100) and LaAlO3(100) substrates by the nebulized spray pyrolysis of organometallic precursors. Small electric fields ...
Charge ordering in electron-doped manganates

Santhosh, P N; Arulraj, Anthony; Vanitha, P V; Singh, R S; Sooryanarayana, K; Rao, C N R (IOP Publishing Ltd, 1999-02-08)

Electron-doped rare-earth manganates of the type Ca(1-x)Ln(x) MnO3 (Ln = La, Nd, Gd or Y) with x = 0.2 and 0.3 show charge ordering in the 150-270 K range, but the charge-ordering transition temperature, T-CO generally ...
Interaction of Inorganic Nanoparticles with Graphene

Das, Barun; Choudhury, Biswajit; Gomathi, A; Manna, Arun K; Pati, S K; Rao, C N R (Wiley-Blackwell, 2011-04-04)

The changes in the electronic and magnetic properties of graphene induced by interaction with semiconducting oxide nanoparticles such as ZnO and TiO(2) and with magnetic nanoparticles such as Fe(3)O(4), CoFe(2)O(4), and ...
Thin films of cobalt and granular copper-cobalt alloys by nebulized spray pyrolysis

Parashar, Sachin; Raju, A R; Rao, C N R (Elsevier Science SA, 1999-09-30)

Thin films of cobalt have been prepared by nebulized spray pyrolysis using Co(acac)(2) precursor in hydrogen atmosphere. The films show excellent magnetic and metallic properties. Granular Cu-Co alloy films of the composition ...
A study of copper films obtained from the nebulized spray pyrolysis of different precursors

Aiyer, Hemantkumar N; Parashar, Sachin; Raju, A R; Shivashankar, S A; Rao, C N R (IOP Publishing Ltd, 1999-01-07)

Metallic copper films have been deposited on Si(100) substrates by nebulized spray pyrolysis of Cu(acac)(2), Cu(hfac)(2) and Cu(dpm)(2). The structure and morphology of the films have been examined by x-ray diffraction and ...
Graphene analogues of layered metal selenides

Matte, H S S Ramakrishna; Plowman, Blake; Datta, Ranjan; Rao, C N R (Royal Society of Chemistry, 2011)

Graphene analogues of MoSe(2) and WSe(2) have been prepared by three different chemical methods and characterized by electron microscopy and other methods. Graphene analogues of these diselenides as well as of GaSe have ...
Synthesis of hexagonal microporous silica and aluminophosphate by supramolecular templating of a short-chain amine

Eswaramoorthy, M; Neeraj, S; Rao, C N R (Elsevier Science BV, 1999-03)

Hexagonal microporous phases of SiO2 and AlPO4 with pore sizes in the range intermediate between traditional microporous and mesoporous materials have been prepared, by making use of supramolecular organization of short-chain ...
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 (Kluwer Academic Publishers, 1999-01)

H-1 NMR investigations have been carried out ion water- and benzene-saturated mesoporous sillicas with a wide range of pore sizes (13-42 Angstrom). The freezing point of the bound water increases with the pore size, ...
Porous materials: A case study of supramolecular organization in materials design

Rao, C N R (Indian Academy of Sciences, 1999-05)

Supramolecular synthesis is being increasingly employed in materials design. In this article, the design of porous solids is discussed as a case study. Examples from recent work in the areas of open-framework inorganic ...
Amine-Templated Cobalt(II) Coordination Polymer Exhibiting Novel Magnetic Properties: Effect of Dehydration

Nagaraja, C M; Kumar, Nitesh; Maji, Tapas Kumar; Rao, C N R (Wiley-Blackwell, 2011-05)

An amine-templated 2D coordination polymer of Co(II) with the formula {[EDAH(2)][Co(2)F(2)(SO(4))(2)(H(2)O)(2)]}(n) (1) (EDA = ethylenediamine), has been synthesised and structurally characterised. It consists of a 1D chain ...

Now showing items 501-520 of 892

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