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Electronic correlations and absence of superconductivity in the collapsed phase of LaFe2As2

期刊: PHYSICAL REVIEW B, 2021; 103 (12)

The interplay between structural phase and electronic correlations has been an intriguing topic of research. A prominent example is the pressure-induc......

Giant tunnel electroresistance in ferroelectric tunnel junctions with metal contacts to two-dimensional ferroelectric materials

期刊: PHYSICAL REVIEW B, 2021; 103 (12)

Two-dimensional (2D) ferroelectric materials (FEMs) and their application in ferroelectric tunnel junctions (FTJs) have attracted a great deal of atte......

Toroidic and antitoroidic orders in hexagonal arrays of dielectric trimers: Magnetic group approach

期刊: PHYSICAL REVIEW B, 2021; 103 (16)

Herein, we investigate symmetry-protected toroidal dipole resonances and conditions of their excitation in a new type of electromagnetic metamaterials......

Vortex-line topology in iron-based superconductors with and without second-order topology

期刊: PHYSICAL REVIEW B, 2021; 103 (14)

The band topology of a superconductor is known to have profound impact on the existence of Majorana zero modes in vortices. As iron-based superconduct......

Koopmans' theorem as the mechanism of nearly gapless surface states in self-doped magnetic topological insulators

期刊: PHYSICAL REVIEW B, 2021; 103 (20)

The magnetization-induced gap at the surface state is widely believed to be the kernel of magnetic topological insulators (MTIs) because of its releva......

Large anomalous Hall effect induced by gapped nodal lines in GdZn and GdCd

期刊: PHYSICAL REVIEW B, 2021; 103 (20)

The topological properties and intrinsic anomalous Hall effect of CsCl-type ferromagnets GdZn and GdCd have been studied based on first-principles ele......

Magnetic structure and multiferroicity of Sc-substituted hexagonal YbFeO3

期刊: PHYSICAL REVIEW B, 2021; 103 (17)

The hexagonal rare-earth ferrite RFeO3 family represents a unique class of multiferroics exhibiting weak ferromagnetism, and a strong coupling between......

Many-particle radiative heat transfer in a nonreciprocal graphene plasmonic cavity

期刊: PHYSICAL REVIEW B, 2021; 103 (19)

Due to the presence of many-body interactions, strong enhancement effects of heat flux and rich thermophysical phenomena are possible. In this work, w......

Infrared study of the interplay of charge, spin, and lattice excitations in the magnetic topological insulator EuIn2As2

期刊: PHYSICAL REVIEW B, 2021; 103 (24)

We report an infrared spectroscopy study of the axion topological insulator candidate EuIn2As2 for which the Eu moments exhibit an A-type antiferromag......

Intrachain collinear magnetism and interchain magnetic phases in Cr3As3-K-based materials

期刊: PHYSICAL REVIEW B, 2021; 103 (21)

We perform a comparative study of the KCr3As3 and the K2Cr3As3 quasi-one-dimensional compounds and show that the strong interplay between the lattice ......

Electronic correlation-driven orbital polarization transitions in the orbital-selective Mott compound Ba2CuO4-delta

期刊: PHYSICAL REVIEW B, 2021; 103 (21)

The electronic states near the Fermi level of recently discovered superconductor Ba2CuO4-delta consist primarily of the Cu d(x2-y2) and d(3z2-r2) orbi......

Crossover behavior of the anomalous Hall effect in Ga1-xMnxAs1-yPy across the metal-insulator transition

期刊: PHYSICAL REVIEW B, 2021; 103 (22)

Quaternary alloy Ga1-xMnxAs1-yPy hosts magnetic and electronic properties that can be tuned by varying the P concentration "y", Mn concentration "x" a......

First-principles studies of the unconventional spin-phonon coupling mediated by spin-orbit coupling in pyrochlore Cd2Os2O7

期刊: PHYSICAL REVIEW B, 2021; 104 (2)

We perform systematic first-principles calculations to investigate the spin-phonon coupling (SPC) mediated by spin-orbit coupling in pyrochlore Cd2Os2......

Defect-engineered room-temperature ferromagnetism in quasi-two-dimensional nitrided CoTa2O6

期刊: PHYSICAL REVIEW B, 2021; 104 (1)

Thermal ammonolysis of quasi-two-dimensional (quasi-2D) CoTa2O6 yields the O2-/N3- and anionic vacancy-ordered Co2+Ta25+O6-xN2x/3 square(x/3) (x <=......

Superfluid ground state phase diagram of the two-dimensional Hubbard model in the emergent Bardeen-Cooper-Schrieffer regime

期刊: PHYSICAL REVIEW B, 2021; 104 (2)

In nonperturbative regimes, the superfluid instability in the two-dimensional (2D) Hubbard model can be described by an emergent BCS theory with small......

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