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

Now showing items 301-320 of 892

Effect of substitution of Mn3+ by Ni3+ and Co3+ on the charge-ordered states of the rare earth manganates, Ln(0.5)A(0.5)MnO(3)

Vanitha, P V; Singh, R S; Natarajan, S; Rao, C N R (Pergamon-Elsevier Science Ltd, 1999)

Substitution of Mn3+ in Nd0.5Sr0.5MnO3 by Ni3+ and Co3+ upto 5% destroys the charge-ordered (CO) state and renders the material ferromagnetic and metallic. In Nd0.5Ca0.5MnO3, the charge-ordering transition temperature, ...
An Infrared Spectroscopic Study of the Insulator-Metal Transition and Charge-Ordering in Rare Earth Manganates, Ln(1-x)A(x)MnO(3) (Ln = Rare Earth, A = Ca, Sr, Pb)

Arulraj, Anthony; Rao, C N R (Academic Press Inc, 1999-07)

Infrared absorption spectra of rare earth manganates of the type La(0.7)A(0.3)MnO(3) (A = Pb, Sr, Ca) show that the compositions which are metallic at room temperature do not exhibit phonon bands, while the insulating ...
Energetics Of Rare Earth Manganese Perovskites A1-xA'xMnO3 (A = La, Nd, Y and A' = Sr, La) Systems

Laberty, Christel; Navrotsky, Alexandra; Rao, C N R; Alphonse, Pierre (Academic Press Inc, 1999-07)

High temperature reaction calorimetry using molten lead berate as solvent has been used to study the thermochemistry of NdMnO3, YMnO3, La1-xSrxMnO3 (with 0 < x < 0.5), and Ln(0.5)Ca(0.5)MnO(3) (with Ln = La, Nd, Y), The ...
Hybrid framework iron(II) phosphate-oxalates

Choudhury, Amitava; Natarajan, Srinivasan; Rao, C N R (Academic Press Inc, 1999-09)

Two inorganic–organic hybrid framework iron phosphate–oxalates, I, [N2C4H12]0.5[Fe2(HPO4)(C2O4)1.5] and II, [Fe2(OH2)PO4(C2O4)0.5], have been synthesized by hydrothermal means and the structures determined by X-ray ...
Giant magnetoresistance in transition metal oxides

Rao, C N R; Cheetham, A K (American Association for the Advancement of Science, 1996-04-19)

Some materials exhibit large changes in electrical resistance in the presence of a magnetic field, and this change can be used in applications from sensor technology to magnetic data storage. In their Perspective, Rao and ...
Metal-insulator transitions and giant magnetoresistance in perovskite oxides - Discussion

Mobius, A; Rao, C N R; Schofield, A; Edwards, D M; Alexandrov, A S; Enderby, J E (Royal Society London, 1998-01-15)
Liquid alloy semiconductors revisited - Discussion

Rao, C N R; Enderby, J E; McGreevy, R; Logan, D E; Johnston, R L; Edwards, D M (Royal Society London, 1998-01-15)
Interaction of Carbon Monoxide with Bimetallic Overlayers

Santra, A K; Rao, C N R (American Chemical Society, 1994)

Interaction of carbon monoxide with a few chosen bimetallic overlayers has been investigated along with the core-level binding energies of the deposited metals by employing X-rays as well as UV photoelectron spectroscopies. ...
The first organically templated open-framework metal selenate with a three-dimensional architecture

Behera, J N; Ayi, A A; Rao, C N R (Royal Society Chemistry, 2004-04-21)

A three-dimensional metal selenate of the formula [C2N2H10][La-2(SeO4)(4)(H2O)(3)].H2O, comprising La2SC4 building units and possessing 12-membered channels, has been prepared in an acidic medium under hydrothermal conditions.
Transition metal materials: a first principles approach to the electronic structure of the insulating phase - Discussion

Alexandrov, A S; Harrison, N M; Rao, C N R; Murrell, J N; Johnston, R L; Logan, D E (Royal Society London, 1998-01-15)
Multiferroic properties of Nanocrystalline BaTiO3

Mangalam, R V K; Ray, Nirat; Waghmare, Umesh V; Sundaresan, A; Rao, C N R (Elsevier Ltd, 2009-01)

Some of the Multiferroics [H. Schmid, Ferroelectrics 162 (1994) 317] form a rare class of materials that exhibit magneto–electric coupling arising from the coexistence of ferromagnetism and ferroelectricity, with potential ...
Colossal magnetoresistance oxides: phenomena and questions - Discussion

Enderby, J E; Ramakrishnan, T V; Johnston, R L; Alexandrov, A S; Von Lohneysen, H; Coleman, P; McGreevy, R L; Iye, Y; Rao, C N R (Royal Society London, 1998-01-15)
Selective generation of single-walled carbon nanotubes with metallic, semiconducting and other unique electronic properties

Rao, C N R; Voggu, Rakesh; Govindaraj, A (Royal Society Chemistry, 2009-10)

As-synthesized single-walled carbon nanotubes (SWNTs) are mixtures of semiconducting and metallic species and separation of the two is of crucial importance for many applications. In this article, the methods employed for ...
The development of metallic behaviour in clusters - Discussion

Rao, C N R; Johnston, R L; Edwards, P P (Royal Society London, 1998-01-15)
Chemical Design Of Materials

Rao, C N R (Pontificia Academia Scientiarvm Vatican City, 2001)
Magnetic field-induced metal-insulator transitions in graphite and diluted magnetic semiconductors - Discussion

Rao, C N R; Iye, Y; McGreevy, R; Edwards, P P; Nellis, W J; Tunstall, D P (Royal Society London, 1998-01-15)
Metallization of fluid hydrogen - Discussion

Johnston, R L; Nellis, W J; Rao, C N R; Tunstall, D P; Von Lohneysen, H; Edwards, P P; Logan, D E (Royal Society London, 1998-01-15)
Room temperature giant magnetoresistance in La1-xPbxMnO3

Mahendiran, R; Mahesh, R; Raychaudhuri, A K; Rao, C N R (IOP Publishing Ltd, 1995-08-14)

Oxides of the La1-xPbxMnO3 system show giant magnetoresistance around 300 K. In La1-xPbxMnO3 the magnitude of the magnetoresistance (MR) at 320 K is 85% at 6 T and it is nearly temperature independent over a temperature ...
Superconducting borate derivatives of 123 cuprates

Mahesh, R; Nagarajan, R; Rao, C N R (Pergamon-Elsevier Science Ltd, 1994-05)

Incorporation of BO3-3 ion stabilizes YSr2Cu3O7, but the borate derivative is non superconducting. Superconductivity is not obtained by the partial substitution of Y by Ca in YSr2Cu3-x(BO3)xOz. Superconductivity has however ...
The liquid-vapour phase transition in fluid metals - Discussion

Edwards, P P; Hensel, F; McGreevy, R; Rao, C N R (Royal Society London, 1998-01-15)

Now showing items 301-320 of 892

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