Electron-phonon interactions in perovskites containing Fe and Cr studied by Raman scattering using oxygen-isotope and cation substitution

J Andreasson, J Holmlund, R Rauer, M Käll… - Physical Review B …, 2008 - APS
We use temperature-dependent inelastic light scattering to study the origin of the strong
multiphonon scattering of a local oxygen breathing mode present in the mixed B-site …

Franck-Condon higher order lattice excitations in the (, 0.1, 0.5, 0.9, 1.0) perovskites due to Fe-Cr charge transfer effects

J Andreasson, J Holmlund, CS Knee, M Käll… - Physical Review B …, 2007 - APS
First and higher order lattice excitations in the B-site disordered perovskites La Fe 1− x Cr x
O 3 (x= 0, 0.1, 0.5, 0.9, and 1) and La 0.835 Sr 0.165 Fe 0.5 Cr 0.5 O 3− δ are investigated …

Temperature dependent magnetic, dielectric and Raman studies of partially disordered La2NiMnO6

P Kumar, S Ghara, B Rajeswaran, DVS Muthu… - Solid State …, 2014 - Elsevier
We report a detailed magnetic, dielectric and Raman studies on partially disordered and
biphasic double perovskite La 2 NiMnO 6. DC and AC magnetic susceptibility …

Crossover from coherent to incoherent scattering in spin-orbit dominated SrIrO

MF Cetin, P Lemmens, V Gnezdilov, D Wulferding… - Physical Review B …, 2012 - APS
Strong spin-orbit interaction in the two-dimensional compound Sr 2 IrO 4 leads to the
formation of J eff= 1/2 isospins with unprecedented dynamics. In Raman scattering a …

Synthesis of novel perovskite crystal structure phase of strontium doped rare earth manganites using sol gel method

IA Abdel-Latif, AA Ismail, H Bouzid, A Al-Hajry - Journal of Magnetism and …, 2015 - Elsevier
In the present work, polycrystalline perovskites of R 0.6 Sr 0.4 MnO 3 nanocomposites (R=
La, Nd, or Sm) were synthesized using the sol–gel method in the presence of citric acid and …

Anomalous multi-order Raman scattering in LaMnO3: a signature of quantum lattice effects in a Jahn–Teller crystal

NN Kovaleva, OE Kusmartseva, KI Kugel… - Journal of Physics …, 2013 - iopscience.iop.org
The multi-order Raman scattering is studied up to fourth order for a detwinned LaMnO 3
crystal. Based on a comprehensive data analysis of the polarization-dependent Raman …

Crosstalk between lattice-spin electron dynamics at spin textures and across multiple magnetic-electronic phases in (, 0.175)

S Mekap, JK Tiwari, A Baro, T Das, S Ghosh, A Roy - Physical Review B, 2024 - APS
Recently observed skyrmionic, bubble, stripelike spin textures, along with multiple possible
magnetic and related electrical phases, have renewed interest in doped rare-earth …

Probing the interface and individual layers in cuprate/manganite heterostructures by Raman spectroscopy

F Lyzwa, A Chan, K Fürsich, B Keimer, C Faugeras… - Physical Review …, 2024 - APS
We report a comprehensive set of polarized Raman spectra on thin-film multilayers of the
high-T c superconductor YBa 2 Cu 3 O 7 and electrically insulating manganites R MnO 3 …

Raman evidence for orbiton-mediated multiphonon scattering in multiferroic TbMnO3

P Kumar, S Saha, DVS Muthu, JR Sahu… - Journal of Physics …, 2010 - iopscience.iop.org
Temperature-dependent Raman spectra of TbMnO 3 from 5 to 300 K in the spectral range of
200–1525 cm− 1 show five first-order Raman allowed modes and two high frequency …

Multiple-order Raman scattering from rare-earth manganites: Oxygen isotope and rare-earth substitution effects

MN Iliev, VG Hadjiev, AP Litvinchuk, F Yen… - Physical Review B …, 2007 - APS
The paper presents results of a detail study of polarized multiple-order Raman spectra of
several, isostructural to La Mn O 3, R Mn O 3 compounds (R= Pr, Eu, Dy, Ho, Y) and oxygen …