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R Mittal
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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
2522007
Magnetic structure of EuFe 2 As 2 determined by single-crystal neutron diffraction
Y Xiao, Y Su, M Meven, R Mittal, CMN Kumar, T Chatterji, S Price, ...
Physical Review B 80 (17), 174424, 2009
2022009
Antiferromagnetic ordering and structural phase transition in Ba 2 Fe 2 As 2 with Sn incorporated from the growth flux
Y Su, P Link, A Schneidewind, T Wolf, P Adelmann, Y Xiao, M Meven, ...
Physical Review B 79 (6), 064504, 2009
1512009
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
1492001
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
1312011
Phonons and Anomalous Thermal Expansion Behaviour in Crystalline Solids
R Mittal, MK Gupta, SL Chaplot
Progress in Materials Science 92, 360, 2018
1182018
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
1132011
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
971999
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
922002
Ab initio lattice dynamics simulations and inelastic neutron scattering spectra for studying phonons in : Effect of structural phase transition, structural …
M Zbiri, H Schober, MR Johnson, S Rols, R Mittal, Y Su, M Rotter, ...
Physical Review B 79 (6), 064511, 2009
902009
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
852008
Magnetic order in the CaFe 1− x Co x AsF (x= 0.00, 0.06, 0.12) superconducting compounds
Y Xiao, Y Su, R Mittal, T Chatterji, T Hansen, CMN Kumar, S Matsuishi, ...
Physical Review B 79 (6), 060504, 2009
792009
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
772008
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
772006
Magnetic structure of EuFe 2 As 2 as determined by resonant x-ray scattering
J Herrero-Martín, V Scagnoli, C Mazzoli, Y Su, R Mittal, Y Xiao, T Brueckel, ...
Physical Review B 80 (13), 134411, 2009
732009
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
722009
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
672007
Field-induced spin reorientation and giant spin-lattice coupling in
Y Xiao, Y Su, W Schmidt, K Schmalzl, CMN Kumar, S Price, T Chatterji, ...
Physical Review B 81 (22), 220406, 2010
602010
Investigation of the phase stability of LuVO4 at high pressure using powder x-ray diffraction measurements and lattice dynamical calculations
R Mittal, AB Garg, V Vijayakumar, SN Achary, AK Tyagi, BK Godwal, ...
Journal of Physics: Condensed Matter 20 (7), 075223, 2008
602008
Negative thermal expansion in cubic : Inelastic neutron scattering and lattice dynamical studies
R Mittal, SL Chaplot, H Schober, AI Kolesnikov, CK Loong, C Lind, ...
Physical Review B 70 (21), 214303, 2004
542004
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