Lattice dynamics of sodium superoxide

P Singh, NK Gaur - Physics Letters A, 2007 - Elsevier
An extended three body force shell model (ETSM) has been applied for the prediction of
lattice dynamics of orientationally disordered NaO2, by incorporating the effect of …

Elastic moduli and thermal properties of La0. 83Sr0. 17MnO3

NK Gaur, R Choithrani, A Srivastava - Solid state communications, 2008 - Elsevier
We have investigated elastic moduli c11, c12 and c44 of La0. 83Sr0. 17MnO3 in cubic
phase using Rigid Ion Model (RIM) at temperature 212K≤ T≤ 280K. The elastic moduli …

Effect of doping on cohesive and thermophysical properties of MgB2

N Kaur, R Mohan, NK Gaur, RK Singh - Physica C: Superconductivity, 2007 - Elsevier
The effects of doping Al and Mn on the cohesive and thermophysical properties of MgB2
have been investigated using a Rigid Ion Model (RIM). The interatomic potential of this …

Anomalous thermoelastic behaviour of orientationally disordered (NH4I) x (KI) 1− x mixed crystals

A Tiwari, NK Gaur, RK Singh - Journal of Physics and Chemistry of Solids, 2010 - Elsevier
We have incorporated the translational rotational (TR) coupling effects in the framework of
three body force shell model (TSM) to develop an extended TSM (ETSM). This ETSM has …

Phonon dispersion curves of CsCN

NK Gaur, P Singh, EG Rini, J Galgale, RK Singh - Pramana, 2004 - Springer
The motivation for the present work was gained from the recent publication on phonon
dispersion curves (PDCs) of CsCN from the neutron scattering technique. We have applied …

Influence of temperature on elastic properties of caesium cyanide

P Singh, NK Gaur, RK Singh - physica status solidi (b), 2007 - Wiley Online Library
An extended three body force shell model (ETSM), which incorporates the effects of
translational–rotational (TR) coupling, three body interactions (TBI) and anharmonicity, has …

Structural phase transitions and elastic properties of zirconia

D Baghmar - Phase Transitions, 2013 - Taylor & Francis
The structural phase transformations in various phases (monoclinic, ortho I, ortho II, and
tetragonal) of zirconia (ZrO2) have been investigated using an effective interionic interaction …

Static and dynamic properties of KCN x Cl1−x

J Galgale, N Kaur, P Singh, M Manake, NK Gaur… - Pramana, 2004 - Springer
An extended three-body force shell model (ETSM) has been applied to investigate the static
and dynamic properties of KCN x Cl 1− x for the composition x= 0.56 and 1.0 at 300 K. The …

Structural and elastic properties of copper iodide

D Baghmar, NK Gaur, DC Gupta - Physica B: Condensed Matter, 2010 - Elsevier
The pressure induced phase transition and associated volume collapse have been
investigated in CuI using an interionic interaction potential. This interaction potential has …

Effect of carbon doping on thermodynamic behavior of MgB2

N Kaur, NK Gaur, R Mohan, RK Singh - Journal of Physics and Chemistry of …, 2007 - Elsevier
The thermodynamic behavior of carbon doped MgB2 has been studied using a rigid ion
model (RIM). The model potential consists of the long-range Coulomb, the short-range …