249 citations · 313 across the 10 of their papers we have counts for
10 papers
Two Displacive Ferroelectric Phase Transitions in Multiferroic Quadruple Perovskite
A. Maia, M. Kempa, V. Bovtun +6
We report on the microwave, terahertz (THz), infrared and Raman spectroscopic studies of ceramics, shedding more light into the nature of two structural phase tran…
Strong impact of low-level substitution of Mn by Fe on the magnetoelectric coupling in
A. Maia, R. Vilarinho, P. Proschek +6
The correlation between static magnetoelectric coupling and magnetic structure was investigated in with magnetic field up to 8 T and down to 2 K. Single…
Modifying the magnetoelectric coupling in TbMnO by low-level Fe substitution
A. Maia, R. Vilarinho, C. Kadlec +6
We report a comprehensive study of the low-level substitution of Mn by Fe effect on the static and dynamic magnetoelectric coupling in TbMnFeO (,…
Can the Ferroelectric Soft Mode Trigger an Antiferromagnetic Phase Transition?
André Maia, Christelle Kadlec, Maxim Savinov +10
Type-II multiferroics, where spin interactions induce a ferroelectric polarization, are interesting for new device functionalities due to large magnetoelectric coupling. We report…
Crossover in the pressure evolution of elementary distortions in RFeO3 perovskites and its impact on their phase transition
R. Vilarinho, P. Bouvier, M. Guennou +9
This work reports on the pressure dependence of the octahedra tilts and mean Fe-O bond lengths in RFeO3 (R=Nd, Sm, Eu, Gd, Tb and Dy), determined through synchrotron X-ray diffract…
Raman spectroscopy of rare-earth orthoferrites RFeO3 (R = La, Sm, Eu, Gd, Tb, Dy)
Mads Christof Weber, Mael Guennou, Hong Jian Zhao +5
We report a Raman scattering study of six rare earth orthoferrites RFeO3, with R = La, Sm, Eu, Gd, Tb, Dy. The use of extensive polarized Raman scattering of SmFeO3 and first-princ…
Magnetic phase diagram of TbMnFeO substitutional solid solution
M. Mihalik, Z. Jaglicic, R. Vilarinho +5
We present the magnetic phase diagram of TbMn1-xFexO3 substitutional solid solution in the whole concentration range 0 <= x <= 1 as determined from magnetization and specific heat…
On the ferroelectric and magnetoelectric mechanisms in low Fe doped TbMnO
R. Vilarinho, E. Queiros, D. J. Passos +6
This work addresses the effect of substituting Mn by Fe at the octahedral site of TbMnO on the magnetic phase sequence, ferroelectric and magnetoelectric properti…
Structural properties and spin-phonon coupling in orthorhombic Y-substituted GdMnO
R. Vilarinho, E. C. Queirós, A. Almeida +2
We present a systematic study of the structure and lattice dynamics at room temperature, and the phonon behavior at low temperatures in orthorhombic GdYMnO mang…
Dzyaloshinskii-Moriya nature of ferroelectric ordering in magnetoelectric GdYMnO system
R. Vilarinho, A. Almeida, J. M. Machado da Silva +4
This work reports on magnetic, dielectric, thermodynamic and magnetoelectric properties of GdYMnO, with 0 \leq x \leq 0.4, with emphasis on the (x, T) phase dia…