Competing antiferroelectric and ferroelectric interactions in Na Nb O 3: Neutron diffraction and theoretical studies SK Mishra, N Choudhury, SL Chaplot, PSR Krishna, R Mittal Physical Review B 76 (2), 024110, 2007 | 263 | 2007 |

Common interatomic potential model for the lattice dynamics of several cuprates SL Chaplot, W Reichardt, L Pintschovius, N Pyka Physical Review B 52 (10), 7230, 1995 | 174 | 1995 |

Origin of negative thermal expansion in cubic ZrW 2 O 8 revealed by high pressure inelastic neutron scattering R Mittal, SL Chaplot, H Schober, TA Mary Physical review letters 86 (20), 4692, 2001 | 149 | 2001 |

Ambient-and low-temperature synchrotron x-ray diffraction study of BaFe 2 As 2 and CaFe 2 As 2 at high pressures up to 56 GPa R Mittal, SK Mishra, SL Chaplot, SV Ovsyannikov, E Greenberg, DM Trots, ... Physical Review B 83 (5), 054503, 2011 | 132 | 2011 |

Phonons and anomalous thermal expansion behaviour in crystalline solids R Mittal, MK Gupta, SL Chaplot Progress in Materials Science 92, 360-445, 2018 | 125 | 2018 |

Phase stability and structural temperature dependence in sodium niobate: A high-resolution powder neutron diffraction study SK Mishra, R Mittal, VY Pomjakushin, SL Chaplot Physical Review B 83 (13), 134105, 2011 | 117 | 2011 |

Inelastic neutron scattering study of the external vibrations in single crystal C 60 L Pintschovius, B Renker, F Gompf, R Heid, SL Chaplot, M Haluska, ... Physical review letters 69 (18), 2662, 1992 | 111 | 1992 |

Phonon dispersion relation in YBa 2 Cu 3 O 7 SL Chaplot Physical Review B 37 (13), 7435, 1988 | 109 | 1988 |

Molecular-dynamics simulation of pressure-induced crystalline-to-amorphous transition in some corner-linked polyhedral compounds SL Chaplot, SK Sikka Physical Review B 47 (10), 5710, 1993 | 100 | 1993 |

Lattice dynamical calculation of isotropic negative thermal expansion in ZrW 2 O 8 over 0–1050 K R Mittal, SL Chaplot Physical Review B 60 (10), 7234, 1999 | 97 | 1999 |

Lattice dynamics and inelastic neutron scattering from forsterite, Mg_{2}SiO_{4}: Phonon dispersion relation, density of states and specific heatKR Rao, SL Chaplot, N Choudhury, S Ghose, JM Hastings, LM Corliss, ... Physics and chemistry of minerals 16, 83-97, 1988 | 93 | 1988 |

Inelastic neutron scattering and lattice dynamics of minerals SL Chaplot, N Choudhury, S Ghose, MN Rao, R Mittal, P Goel European Journal of Mineralogy 14 (2), 291-329, 2002 | 92 | 2002 |

Negative thermal expansion of : Neutron diffraction experiments and dynamical lattice calculations T Chatterji, PF Henry, R Mittal, SL Chaplot Physical Review B 78 (13), 134105, 2008 | 88 | 2008 |

Origin of large dielectric constant in La modified BiFeO_{3}-PbTiO_{3} multiferroicA Singh, R Chatterjee, SK Mishra, PSR Krishna, SL Chaplot Journal of Applied Physics 111 (1), 014113, 2012 | 85 | 2012 |

Inelastic neutron scattering and lattice-dynamical calculations of BaFe 2 As 2 R Mittal, Y Su, S Rols, T Chatterji, SL Chaplot, H Schober, M Rotter, ... Physical Review B 78 (10), 104514, 2008 | 77 | 2008 |

Modeling of anomalous thermodynamic properties using lattice dynamics and inelastic neutron scattering R Mittal, SL Chaplot, N Choudhury Progress in materials science 51 (2), 211-286, 2006 | 77 | 2006 |

Measurement of Anomalous Phonon Dispersion of Single Crystals Using Inelastic Neutron Scattering R Mittal, L Pintschovius, D Lamago, R Heid, KP Bohnen, D Reznik, ... Physical review letters 102 (21), 217001, 2009 | 74 | 2009 |

Interatomic potential, phonon spectrum, and molecular-dynamics simulation up to 1300 K in YBa 2 Cu 3 O 7− δ SL Chaplot Physical Review B 42 (4), 2149, 1990 | 73 | 1990 |

Inelastic neutron scattering and lattice dynamical calculation of negative thermal expansion compounds Cu 2 O and Ag 2 O R Mittal, SL Chaplot, SK Mishra, PP Bose Physical Review B 75 (17), 174303, 2007 | 67 | 2007 |

Superionic behavior of lithium oxide Li 2 O: a lattice dynamics and molecular dynamics study P Goel, N Choudhury, SL Chaplot Physical Review B 70 (17), 174307, 2004 | 65 | 2004 |