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In this comment on "Origin of correlated isolated flat bands in copper-substituted lead phosphate apatite" (arXiv:2307.16892 [cond-mat.supr-con]), we discuss the flat half-occupied two-band manifold that appears in…

Superconductivity · Physics 2023-08-17 Michael W. Swift , John L. Lyons

In this supplemental document we explain the details of our ab initio density functional theory calculations and crystal structure searches performed in CaF2 under pressure. Also we report the computed P-dependence of the formation energy…

Materials Science · Physics 2014-05-27 Claudio Cazorla , Daniel Errandonea

Amorphous phosphorus (a-P) has long attracted interest because of its complex atomic structure, and more recently as an anode material for batteries. However, accurately describing and understanding a-P at the atomistic level remains a…

Materials Science · Physics 2022-09-20 Yuxing Zhou , William Kirkpatrick , Volker L. Deringer

A novel type of exciton-phonon bound state -- interlayer polaron -- in a double-layer two-dimensional semiconductor with transition metal dichalcogenides as an example, is predicted. In these systems the interaction of the interlayer…

Materials Science · Physics 2020-10-06 M. A. Semina , M. M. Glazov , E. Ya. Sherman

We report that two rotated layers of blue phosphorene behave as a direct band gap semiconductor. The optical spectrum shows absorption peaks in the visible region of the spectrum and in addition the energy of these peaks can be tuned with…

Mesoscale and Nanoscale Physics · Physics 2016-08-01 D. A. Ospina , C. A. Duque , J. D. Correa , Eric Suárez Morell

The results of the ab initio FLAPW-GGA calculations of the band structure of the newly synthesized tetragonal (space group P4/nmm) layered iron phosphide-oxide: 17K superconductor Sr4Sc2Fe2P2O6 are presented. For Sr4Sc2Fe2P2O6 the optimized…

Superconductivity · Physics 2009-03-25 I. R. Shein , A. L. Ivanovskii

The past few years has brought renewed focus on the physics behind the class of materials characterized by long-range interactions and wide regions of low electron density, sparse matter. There is now much work on developing the appropriate…

Materials Science · Physics 2015-05-19 Elisa Londero , Elsebeth Schroder

In recent years, the hybridization of hyperbolic van der Waals heterostructures with plasmonic two-dimensional nano-materials is one of the interesting research areas at THz frequencies due to the coupled features of the hybrid structure.…

Matter at intermediate baryon densities and low temperatures is notoriously hard to tackle theoretically. Whereas lattice methods cannot cover more than rather small densities, perturbative methods are only applicable at much higher…

High Energy Physics - Phenomenology · Physics 2018-12-03 Alexander Haber

Review of selected fundamental topics on the interaction between phase transformations, fracture, and other structural changes in inelastic materials is presented. It mostly focuses on the concepts developed in the author's group over last…

Materials Science · Physics 2021-08-24 Valery I. Levitas

The last few years have seen significant experimental progress in characterizing the copper-based hole-doped high temperature superconductors in the regime of low hole density, p. Quantum oscillations, NMR, X-ray, and STM experiments have…

Strongly Correlated Electrons · Physics 2016-08-01 Debanjan Chowdhury , Subir Sachdev

Due to their anisotropy, layered materials are excellent candidates for studying the interplay between the in-plane and out-of-plane entanglement in strongly correlated systems. A relevant example is provided by 1T-TaS2, which exhibits a…

The potassium-doped p-terphenyl compounds were synthesized in recent experiments and the superconductivity with high transition temperatures were reported, but the atomic structure of potassium-doped p-terphenyl is unclear. In this paper,…

Superconductivity · Physics 2018-11-27 Xun-Wang Yan , Zhongbing Huang , Miao Gao , Chunfang Zhang

The two-dimensional boron monolayers were reported to be metallic both in previous theoretical predictions and experimental observations, however, we have firstly found a family of boron monolayers with the novel semiconducting property as…

Materials Science · Physics 2017-12-01 Shao-Gang Xu , Xiao-Tian Li , Yu-Jun Zhao , Ji-Hai Liao , Xiao-Bao Yang , Hu Xu

Based on ab initio evolutionary crystal structure search computation, we report a new phase of phosphorus called green phosphorus ({\lambda}-P), which exhibits the direct band gaps ranging from 0.7 to 2.4 eV and the strong anisotropy in…

Materials Science · Physics 2017-09-15 W. H. Han , Sunghyun Kim , In-Ho Lee , K. J. Chang

The notable results shown by Bozovic et al. from measurements of synthesized one-unit-cell thick of La1.85Sr0.15CuO4,La2CuO4 HTS/AF/HTS tri-layer junctions query the predictions by prevalent models since there is no observable mixing of…

Superconductivity · Physics 2007-05-23 Rushan Han , Wei Guo

Discovery of atomically thin black phosphorus (called phosphorene) holds promise to be used as an alternative two-dimensional material to graphene and transition metal dichalcogenides especially as an anode material for lithium-ion…

Half-Heuslers are a promising family for thermoelectric (TE) applications, yet only a small fraction of their potential chemistries has been experimentally explored. In this work, we introduce a distinct computational high-throughput…

Materials Science · Physics 2025-01-22 Angela Pak , Kamil Ciesielski , Maria Wróblewska , Eric S. Toberer , Elif Ertekin

By the first principles calculations based on the van der Waals density functional theory, we study the crystal structures and electronic properties of La-doped phenanthrene. Two stable atomic geometries of La$_1$phenanthrene are obtained…

Superconductivity · Physics 2014-03-06 Xun-Wang Yan , Zhongbing Huang , Hai-Qing Lin

The possibility of hybridizing collective electronic motion with mid-infrared (mid-IR) light to form surface polaritons has made van der Waals layered materials a versatile platform for extreme light confinement and tailored nanophotonics.…