Evolution of the Jahn−Teller Distortion of MnO6 Octahedra in RMnO3 Perovskites (R = Pr, Nd, Dy, Tb, Ho, Er, Y): A Neutron Diffraction Study

JA Alonso, MJ Martinez-Lope, MT Casais… - Inorganic …, 2000 - ACS Publications
Stoichiometric RMnO3 perovskites have been prepared in the widest range of R3+ ionic
sizes, from PrMnO3 to ErMnO3. Soft-chemistry procedures have been employed; inert …

Magnetic ordering effects in the Raman spectra of

E Granado, A García, JA Sanjurjo, C Rettori, I Torriani… - Physical Review B, 1999 - APS
Temperature-dependent Raman spectra of polycrystalline La 1− x Mn 1− x O 3 samples,
referred to as LaMnO 3+ δ for convenience, were correlated to their structural and magnetic …

Influence of oxygen content on the structural, magnetotransport, and magnetic properties of

C Ritter, MR Ibarra, JM De Teresa, PA Algarabel… - Physical Review B, 1997 - APS
A systematic study of the effect of oxygen content on the structural, magnetotransport, and
magnetic properties has been undertaken on a series of LaMnO 3+ δ samples, with δ= 0 …

Screened hybrid functional applied to 33 transition-metal perovskites LaO ( = Sc–Cu): Influence of the exchange mixing parameter on the structural …

J He, C Franchini - Physical Review B—Condensed Matter and Materials …, 2012 - APS
We assess the performance of the Heyd-Scuseria-Ernzerhof (HSE) screened hybrid density
functional scheme applied to the perovskite family La MO 3 (M= Sc–Cu) and discuss the role …

Pressure-Induced Quenching of the Jahn-Teller Distortion and Insulator-to-Metal Transition in

I Loa, P Adler, A Grzechnik, K Syassen, U Schwarz… - Physical review …, 2001 - APS
LaMnO 3 was studied by synchrotron x-ray diffraction, optical spectroscopies, and transport
measurements under pressures up to 40 GPa. The cooperative Jahn-Teller (JT) distortion is …

LaMnO3+ δRevisited

J Töpfer, JB Goodenough - Journal of Solid State Chemistry, 1997 - Elsevier
Samples of LaMnO3+ δwith 0≤ δ≤ 0.18 have been prepared via a precipitation method
followed by heating at different temperatures and oxygen partial pressures. Oxidation is …

Preparation and characterization of La1–xSrxMnO3+ δ (0⩽ x⩽ 0.6) powder by sol–gel processing

M Gaudon, C Laberty-Robert, F Ansart, P Stevens… - Solid State …, 2002 - Elsevier
La1–xSrxMnO3+ δ oxides with 0⩽ x⩽ 0.6 were synthesized via sol–gel route (Pechini
process). The gel decomposition was studied by several thermal analysis methods. After …

Maximally localized Wannier functions in LaMnO3 within PBE+ U, hybrid functionals and partially self-consistent GW: an efficient route to construct ab initio tight …

C Franchini, R Kováčik, M Marsman… - Journal of Physics …, 2012 - iopscience.iop.org
Using the newly developed VASP2WANNIER90 interface we have constructed maximally
localized Wannier functions (MLWFs) for the eg states of the prototypical Jahn–Teller …

Effects of surface roughness on self-and transport diffusion in porous media in the Knudsen regime

K Malek, MO Coppens - Physical review letters, 2001 - APS
The effect of surface roughness on Knudsen diffusion in nanoporous media is investigated
by means of dynamic Monte Carlo simulations in three-dimensional rough fractal pores …

Lattice expansion upon reduction of perovskite-type LaMnO3 with oxygen-deficit nonstoichiometry

S Miyoshi, JO Hong, K Yashiro, A Kaimai, Y Nigara… - Solid State Ionics, 2003 - Elsevier
Volume variation of dense LaMnO3+ δ specimens was measured at elevated temperatures
and in stepwise changes of oxygen partial pressure. The specimen expanded upon …