activity
20042024
most citedPercolative phase transition on ferromagnetic insulator manganites: uncorrelated to correlated polaron clusters

34 citations · 49 across the 6 of their papers we have counts for

collaborators

6 papers

cond-mat.mtrl-sci2024★ 4 cited

Probing crystal structure at the atomic level: Insights from PAC spectroscopy and ab-initio studies

P. Rocha-Rodrigues, I. P. Miranda, S. S. M. Santos +8

Perturbed angular correlation spectroscopy combined with electronic structure calculations is used to unravel the structural phase transition path from the low-temperat…

cond-mat.mtrl-sci2023

Pressure-Induced Phase Transformations of Quasi-2D SrHfO

M. C. B. Barbosa, E. Lora da Silva, P. Neenu Lekshmi +5

We present an \textit{ab-initio} study of the quasi-2D layered perovskite SrHfO com\-pound, performed within the framework of the Density Functional Theory and lattice…

cond-mat.mtrl-sci2015★ 1 cited

Influence of Thermal Cycling on Giant Magnetocaloric Effect of Gd5Si1.3Ge2.7 Thin Film

A L Pires, J H Belo, I T Gomes +7

In the lifetime of a magnetic refrigerator the materials are subjected to millions of thermal magnetic cycles, so it is of the utmost importance to predict the behavior of such mat…

cond-mat.mtrl-sci2015

Influence of short time milling in R5(Si,Ge)4, R =Gd and Tb, magnetocaloric materials

A. L. Pires, J. H. Belo, J. Turcaud +6

The effect of the short milling times on R5(Si,Ge)4 R =Gd, Tb magnetocaloric material properties was investigated. In particular, the effect of milling on atomic structure, particl…

cond-mat.mtrl-sci2014★ 10 cited

Hyperfine Interactions in MnAs studied by Perturbed Angular Correlations of -Rays using the probe BrSe and first principles calculations for MnAs and other Mn pnictides

J. N. Gonçalves, V. S. Amaral, J. G. Correia +1

The MnAs compound shows a first-order transition at T C, and a second-order transition at T C. The first-order transition, with structural (hexagonal-ort…

cond-mat.str-el2004★ 34 cited

Percolative phase transition on ferromagnetic insulator manganites: uncorrelated to correlated polaron clusters

A. M. L. Lopes, J. P. Araujo, J. J. Ramasco +5

In this work, we report an atomic scale study on the ferromagnetic insulator manganite LaMnO using PAC spectroscopy. Data analysis reveals a nanoscopic transition fr…