Strain anisotropy and magnetic domains in embedded nanomagnets

M Nord, A Semisalova, A Kákay, G Hlawacek… - Small, 2019 - Wiley Online Library
Nanoscale modifications of strain and magnetic anisotropy can open pathways to
engineering magnetic domains for device applications. A periodic magnetic domain …

Origin of the current-driven breakdown in vanadium oxides: Thermal versus electronic

I Valmianski, PY Wang, S Wang, JG Ramirez… - Physical Review B, 2018 - APS
We report the existence of two competing mechanisms in the current-driven electrical
breakdown of vanadium sesquioxide (V 2 O 3) and vanadium dioxide (VO 2) nanodevices …

Resonance behavior of embedded and freestanding microscale ferromagnets

H Cansever, MS Anwar, S Stienen, K Lenz… - Scientific Reports, 2022 - nature.com
The ferromagnetic resonance of a disordered A2 Fe60Al40 ferromagnetic stripe, of
dimensions 5 µm× 1 µm× 32 nm, has been observed in two vastly differing surroundings: in …

Angular-dependent magnetic properties in hybrid heterostructures

K Ignatova, EB Thorsteinsson, UB Arnalds - Physical Review B, 2024 - APS
In this paper, we investigate the in-plane angular and temperature dependence of coercivity
and exchange bias in a V 2 O 3/Ni magnetic bilayer structure, grown on an r-plane sapphire …

Chemical, structural and electronic properties of ultrathin V2O3 films on Al2O3 substrate: Implications in Mott-like transitions

V Polewczyk, SK Chaluvadi, D Dagur, F Mazzola… - Applied Surface …, 2023 - Elsevier
V 2 O 3 presents a complex interrelationship between the metal–insulator transition and the
structural rhombohedral-monoclinic one in temperature, as a function of sample thickness …

Deviation from bulk in the pressure-temperature phase diagram of thin films

I Valmianski, JG Ramirez, C Urban, X Batlle… - Physical Review B, 2017 - APS
We found atypical pressure dependence in the transport measurements of the metal to
insulator transition (MIT) in epitaxial thin films of vanadium sesquioxide (V 2 O 3). Three …

Tuning the magnetic properties of heterostructures across the structural transition

V Polewczyk, SK Chaluvadi, P Orgiani… - Physical Review …, 2021 - APS
In this work, we investigate the effects of the V 2 O 3 structural phase transition on the
magnetic properties of an amorphous magnetic thin film of CoFeB in contact with it. V 2 O 3 …

General aspects of the physical behavior of polycrystalline BiFeO3/VO2 bilayers grown on sapphire substrates

J Martínez, S Dionizio, N Gutierrez, E Mosquera… - Applied Physics A, 2022 - Springer
Heterostructures composed of bismuth ferrite, BiFeO3, and vanadium dioxide, VO2, films
were successfully grown by means of the radio-frequency and DC sputtering on sapphire …

Spin Engineering of VO2 Phase Transitions and Removal of Structural Transition

A Moatti, G Mineo-Foley, S Gupta… - … Applied Materials & …, 2022 - ACS Publications
Vanadium dioxide undergoes a metal-to-insulator transition, where the energy of electron–
electron, electron–lattice, spin–spin, and spin–lattice interactions are of the same order of …

Intertwined magnetic, structural, and electronic transitions in

BA Frandsen, Y Kalcheim, I Valmianski, AS McLeod… - Physical Review B, 2019 - APS
We present a coordinated study of the paramagnetic-to-antiferromagnetic, rhombohedral-to-
monoclinic, and metal-to-insulator transitions in thin-film specimens of the classic Mott …