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Nicola A Spaldin

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Articles 61
Citations 801
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Recent Articles
1.
Soh J, Merkel M, Pourovskii L, Zivkovic I, Malanyuk O, Pasztorova J, et al.
Nat Commun . 2024 Nov; 15(1):10383. PMID: 39613737
Clarifying the underlying mechanisms that govern ordering transitions in condensed matter systems is crucial for comprehending emergent properties and phenomena. While transitions are often classified as electronically driven or lattice-driven,...
2.
Paudel J, Tehrani A, Terilli M, Kareev M, Grassi J, Sah R, et al.
Nano Lett . 2024 Nov; 24(48):15195-15201. PMID: 39566903
Emergent magnetic phenomena at interfaces represent a frontier in materials science, pivotal for advancing technologies in spintronics and magnetic storage. In this Letter, we utilize a suite of advanced X-ray...
3.
Pylypovskyi O, Weber S, Makushko P, Veremchuk I, Spaldin N, Makarov D
Phys Rev Lett . 2024 Jun; 132(22):226702. PMID: 38877951
Antiferromagnets are normally thought of as materials with compensated magnetic sublattices. This adds to their technological advantages but complicates readout of the antiferromagnetic state. We demonstrate theoretically the existence of...
4.
Mokhtar A, Serban D, Porter D, Lichtenberg F, Collins S, Bombardi A, et al.
Nat Commun . 2024 Apr; 15(1):3587. PMID: 38678047
The three-dimensional domain structure of ferroelectric materials significantly influences their properties. The ferroelectric domain structure of improper multiferroics, such as YMnO, is driven by a non-ferroelectric order parameter, leading to...
5.
Bousquet E, Lelievre-Berna E, Qureshi N, Soh J, Spaldin N, Urru A, et al.
J Phys Condens Matter . 2024 Jan; 36(15). PMID: 38171024
We establish the sign of the linear magnetoelectric (ME) coefficient,, in chromia, CrO. CrOis the prototypical linear ME material, in which an electric (magnetic) field induces a linearly proportional magnetization...
6.
Esswein T, Spaldin N
Open Res Eur . 2023 Dec; 3:177. PMID: 38115952
Motivated by the recent experimental discovery of strongly surface-plane-dependent superconductivity at surfaces of KTaO single crystals, we calculate the electron-phonon coupling strength, , of doped KTaO along the reciprocal-space high-symmetry...
7.
Bhowal S, ONeill D, Fechner M, Spaldin N, Staub U, Duffy J, et al.
Open Res Eur . 2023 Aug; 1:132. PMID: 37645180
Background: Magnetoelectric multipoles, which break both space-inversion and time-reversal symmetries, play an important role in the magnetoelectric response of a material. Motivated by uncovering the underlying fundamental physics of the...
8.
Ueda H, Garcia-Fernandez M, Agrestini S, Romao C, van den Brink J, Spaldin N, et al.
Nature . 2023 Jun; 618(7967):946-950. PMID: 37286603
The concept of chirality is of great relevance in nature, from chiral molecules such as sugar to parity transformations in particle physics. In condensed matter physics, recent studies have demonstrated...
9.
Weber S, Spaldin N
Phys Rev Lett . 2023 Apr; 130(14):146701. PMID: 37084421
We use a combination of density functional theory and Monte Carlo methods to calculate the surface magnetization in magnetoelectric Cr_{2}O_{3} at finite temperatures. Such antiferromagnets, lacking both inversion and time-reversal...
10.
Vogel A, Ruiz Caridad A, Nordlander J, Sarott M, Meier Q, Erni R, et al.
ACS Appl Mater Interfaces . 2023 Mar; 15(14):18482-18492. PMID: 36996320
Improper ferroelectrics are expected to be more robust than conventional ferroelectrics against depolarizing field effects and to exhibit a much-desired absence of critical thickness. Recent studies, however, revealed the loss...