413 citations · 1.1k across the 17 of their papers we have counts for
17 papers
Signatures of pressure-enhanced helimagnetic order in van der Waals multiferroic NiI
Connor A. Occhialini, Luiz G. P. Martins, Qian Song +10
The van der Waals (vdW) type-II multiferroic NiI has emerged as a candidate for exploring non-collinear magnetism and magnetoelectric effects in the 2D limit. Frustrated intral…
Effects of Pressure on the Electronic and Magnetic Properties of Bulk NiI
Jesse Kapeghian, Danila Amoroso, Connor A. Occhialini +10
Transition metal dihalides have recently garnered interest in the context of two-dimensional van der Waals magnets as their underlying geometrically frustrated triangular lattice l…
Unveiling the electronic structure of pseudo-tetragonal WO thin films
F. Mazzola, H. Hassani, D. Amoroso +11
WO is a binary 5d compound which has attracted remarkable attention due to the vast array of structural transitions that it undergoes in its bulk form. In the bulk, a wide rang…
Dilemma in All-optical Characterization of Single-layer NiI2 Multiferroics
Yucheng Jiang, Yangliu Wu, Jinlei Zhang +3
Matters Arising in Nature on "Evidence for a single layer van der Waals multiferroic". The search for two dimensional multiferroic materials is an exciting yet challenging endeavor…
Unravelling the role of Sm 4f electrons in the magnetism of SmFeO
Danila Amoroso, Bertrand Dupe, Matthieu J. Verstraete
Magnetic rare-earth orthoferrites FeO host a variety of functional properties from multiferroicity and strong magnetostriction, to spin-reorientation transitions and ultrafa…
Microscopic origin of magnetism in monolayer transition metal dihalides
Kira Riedl, Danila Amoroso, Steffen Backes +7
Motivated by the recent wealth of exotic magnetic phases emerging in two-dimensional frustrated lattices, we investigate the origin of possible magnetism in the monolayer family of…
Stability of the tetragonal phase of BaZrO3 under high pressure
Constance Toulouse, Danila Amoroso, Robert Oliva +8
In this paper, we revisit the high-pressure behavior of BaZrO3 by a combination of first-principle calculations, Raman spectroscopy, and x-ray diffraction under high pressure. We c…
Towards machine learning for microscopic mechanisms: a formula search for crystal structure stability based on atomic properties
Udaykumar Gajera, Loriano Storchi, Danila Amoroso +2
Machine Learning (ML) techniques are revolutionizing the way to perform efficient materials modeling. Nevertheless, not all the ML approaches allow for the understanding of microsc…
Curved Magnetism in CrI
Alexander Edström, Danila Amoroso, Silvia Picozzi +2
Curved magnets attract considerable interest for their unusually rich phase diagram, often encompassing exotic (e.g., topological or chiral) spin states. Micromagnetic simulations…
Giant Biquadratic Exchange in 2D Magnets and its Role in Stabilizing Ferromagnetism of NiCl2 Monolayer
J. Y. Ni, X. Y. Li, D. Amoroso +5
Two-dimensional (2D) van der Waals (vdW) magnets provide an ideal platform for exploring, on the fundamental side, new microscopic mechanisms and for developing, on the technologic…
Evidence for a single-layer van der Waals multiferroic
Qian Song, Connor A. Occhialini, Emre Ergeçen +10
Multiferroic materials have garnered wide interest for their exceptional static and dynamical magnetoelectric properties. In particular, type-II multiferroics exhibit an inversion-…
Tuning of magnetic structures topology via single-ion anisotropy and magnetic field in frustrated 2D semiconductors
Danila Amoroso, Paolo Barone, Silvia Picozzi
The effects of competing magnetic interactions in stabilizing different spin configurations are drawing a renewed attention in order to both unveil emerging topological spin textur…
Magnetic properties of bilayer VI3: Role of trigonal crystal field and electric-field tuning
Thi Phuong Thao Nguyen, Kunihiko Yamauchi, Tamio Oguchi +2
The magnetic properties of two-dimensional VI3 bilayer are the focus of our first-principles analysis, highlighting the role of trigonal crystal-field effects and carried out in co…
On the microscopic mechanisms behind hyperferroelectricity
Mohamed Khedidji, Danila Amoroso, Hania Djani
Hyperferroelectrics are receiving a growing interest thanks to their unique property to retain a spontaneous polarization even in presence of a depolarizing field. Nevertheless, ge…
Spontaneous skyrmionic lattice from anisotropic symmetric exchange in a Ni-halide monolayer
Danila Amoroso, Paolo Barone, Silvia Picozzi
Topological spin structures, such as magnetic skyrmions, hold great promises for data storage applications, thanks to their inherent stability. In most cases, skyrmions are stabili…
Lattice dynamics and Raman spectrum of BaZrO3 single crystals
Constance Toulouse, Danila Amoroso, Cong Xin +7
BaZrO3 is a perovskite that remains in the simple cubic phase at all temperatures, hence with no first-order Raman-active phonon mode allowed by symmetry. Yet, it exhibits an inten…
First-principles study of (Ba,Ca)TiO and Ba(Ti,Zr)O solid solutions
Danila Amoroso, Andres Cano, Philippe Ghosez
(Ba,Ca)TiO and Ba(Ti,Zr)O solid solutions are the building blocks of lead-free piezoelectric materials that attract a renewed interest. We investigate the properties of the…