Room temperature magnetoelectric magnetic spirals by design

A Romaguera, M Medarde - Frontiers in Materials, 2024 - frontiersin.org
Frustrated magnets with ordered magnetic spiral phases that spontaneously break inversion
symmetry have received significant attention from both fundamental and applied sciences …

Design of magnetic spirals in layered perovskites: Extending the stability range far beyond room temperature

T Shang, E Canévet, M Morin, D Sheptyakov… - Science …, 2018 - science.org
In insulating materials with ordered magnetic spiral phases, ferroelectricity can emerge
owing to the breaking of inversion symmetry. This property is of both fundamental and …

Role of Gd spin ordering on magnetocaloric effect and ferromagnetism in Sr substituted Gd2CoMnO6 double perovskite

RC Sahoo, S Das, TK Nath - Journal of Applied Physics, 2018 - pubs.aip.org
The phenomenon of magnetocaloric effect occurring around the ordering temperatures for
Gd 2− x Sr x CoMnO 6 (x= 0 and 0.5) has been investigated in order to disclose the effects of …

Signature of half-metallicity in BiFeO3: A DFT study

S Jena, S Bhattacharya, S Datta - Computational Materials Science, 2022 - Elsevier
BiFeO 3 has drawn great attention over the last several decades due to its promising
multiferroic character. In the ground state, the bulk BiFeO 3 is found to be in the …

Tuning the tilting of the spiral plane by Mn doping in YBaCuFeO5 multiferroic

X Zhang, A Romaguera, O Fabelo, F Fauth… - Acta Materialia, 2021 - Elsevier
The layered perovskite YBaCuFeO 5 (YBCFO) is considered one of the best candidates to
high-temperature chiral multiferroics with strong magnetoelectric coupling. In RBaCuFeO 5 …

Impact of a non-magnetic Sr2+ ion doping on the magnetic and optical properties of Gd2-xSrxNiMnO6 (x= 0, 0.3, 0.5) double perovskite

N Nazir, A Ikram, M Ikram - Journal of Magnetism and Magnetic Materials, 2023 - Elsevier
The current study investigates the magnetization and optical characteristics of Sr-doped Gd
2 NiMnO 6. Each sample's ZFC and FC magnetization measurements are presented. We …

Pushing magnetic spirals beyond room temperature by reducing the uniaxial pyramidal elongation in layered Cu/Fe perovskites

X Zhang, A Romaguera, O Fabelo, F Fauth… - Physical Review …, 2024 - APS
The impact of a 3d divalent substitution for Cu using M 2+ ions not presenting elongated MO
5 pyramids has been explored in YBaCuFeO 5 as a new strategy to upgrade the magnetic …

Influence of Sr doping on the structural and magnetic properties of (Y, Gd) Ba1− xSrxCuFeO5 (x= 0, 0.25, 0.5) studied by FTIR and 57Fe Mössbauer spectroscopy

IM Saavedra-Gaona, F Mesquita, R Cohen… - Physica B: Condensed …, 2024 - Elsevier
The effect of replacing Y by Gd and Ba by Sr is studied by Fourier Transform Infrared
spectroscopy, 57 Fe Mössbauer spectroscopy and DC susceptibility measurements. Site …

[HTML][HTML] Doping effect on magnetic properties of high-temperature multiferroic compound YBaCuFeO5

Y Yasui, S Kihara, K Ikeda, T Banshodani - AIP Advances, 2024 - pubs.aip.org
We have investigated the impurity effects on magnetic properties for the oxygen-deficiency
ordered perovskite YBaCuFeO 5, which has multiferroic phenomenon at T N2= 319 K. The …

Heat Capacity of Layered Perovskite Compounds: EsBaCuFeO5 (Es = Ho, Gd, and Yb)

H Koç, MH Bölükdemir, E Eser - physica status solidi (b), 2022 - Wiley Online Library
The layered perovskite compounds, which show multiferroic properties, have attracted
interest due to their interesting magnetic and electronic properties. Herein, the heat capacity …