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Related papers: Electronic structure of URu$_2$Si$_2$ in paramagne…

200 papers

The electronic structures of R2Fe3Si5 (where R = Lu, Tm, Er, Tb, Yb) intermetallics have been calculated from first principles in local-spin density (LSDA) and LSDA + U approaches. The majority of rare-earth iron silicides, except for the…

Superconductivity · Physics 2014-09-08 M. J. Winiarski , M. Samsel-Czekała

Two-dimensional electron gases (2DEGs) in SrTiO$_3$ have become model systems for engineering emergent behaviour in complex transition metal oxides. Understanding the collective interactions that enable this, however, has thus far proved…

Strongly Correlated Electrons · Physics 2014-09-09 P. D. C. King , S. McKeown Walker , A. Tamai , A. de la Torre , T. Eknapakul , P. Buaphet , S. -K. Mo , W. Meevasana , M. S. Bahramy , F. Baumberger

The self-energy, spectral functions and susceptibilities of 2D systems with strong ferromagnetic fluctuations are considered within the quasistatic approach. The self-energy at low temperatures T has a non-Fermi liquid form in the energy…

Strongly Correlated Electrons · Physics 2007-05-23 A. A. Katanin

This paper reports recent progress of ultrasonic measurements on URu$_2$Si$_2$, including ultrasonic measurements under hydrostatic pressure, in pulsed-magnetic fields, and the effect of Rh-substitution. The observed changes of the elastic…

Strongly Correlated Electrons · Physics 2015-06-18 Tatsuya Yanagisawa

We report first-principles results on the electronic structure of various silicene structures. For planar and simply buckled silicenes, we confirm their zero-gap nature and show a significant renormalization of their Fermi velocity by…

Mesoscale and Nanoscale Physics · Physics 2015-06-12 Shouting Huang , Wei Kang , Li Yang

Layered indium selenides ($In_{2}Se_{3}$) have recently been discovered to host robust out-of-plane and in-plane ferroelectricity in the $\alpha$ and $\beta$' phases, respectively. In this work, we utilise angle-resolved photoelectron…

The electronic structure of Cr$_{1/3}$NbSe$_2$ is studied via optical spectroscopy. We observe two low-energy interband transitions in the paramagnetic phase, which split into four peaks as the compound enters the ferromagnetic state. The…

Strongly Correlated Electrons · Physics 2009-11-13 W. Z. Hu , G. T. Wang , Rongwei Hu , C. Petrovic , E. Morosan , R. J. Cava. Z. Fang , N. L. Wang

A quasi-two-dimensional (Q2D) electron liquid (EL) is formed at the interface of a semiconductor heterojunction. For an accurate characterization of the Q2D EL, many-body effects need to be taken into account beyond the random phase…

Condensed Matter · Physics 2009-10-28 C. Bulutay , M. Tomak

Charge density waves (CDWs) underpin the electronic properties of many complex materials. Near-equilibrium CDW order is linearly coupled to a periodic, atomic-structural distortion, and the dynamics is understood in terms of amplitude and…

The LnSbTe family is well known for hosting a plethora of intriguing characteristics stemming from its crystalline symmetry, magnetic structure, 4f electronic correlations and spin orbit coupling (SOC) phenomena. In this paper, we have…

We present electronic band structure of Ag$_5$Pb$_2$O$_6$ with layered hexagonal structure containing one-dimensional chains and two-dimensional Kagom\'{e} layers of silver. A half-filled conduction band shows extremely simple, single…

Strongly Correlated Electrons · Physics 2009-11-11 Tamio Oguchi

Recently, superconductivity was discovered in the infinite layer of hole-doped nickelates NdNiO$_{2}$. Contrary to this, superconductivity in LaNiO$_{2}$ is still under debate. This indicates the crucial role played by the $f$ electrons on…

Strongly Correlated Electrons · Physics 2023-02-09 Andrzej Ptok , Surajit Basak , Przemysław Piekarz , Andrzej M. Oleś

Based on experimental crystallographic data, electronic structure of UGe$_2$ have been calculated and compared with our results of X-ray photoelectron spectroscopy (XPS) measurements. We employed two different advanced full potential (FP)…

Materials Science · Physics 2025-04-01 M. Samsel-Czekała , M. Werwiński , A. Szajek , G. Chełkowska , R. Troć

The superconducting order parameter of the first heavy-fermion superconductor CeCu2Si2 is currently under debate. A key ingredient to understand its superconductivity and physical properties is the quasiparticle dispersion and Fermi…

We present a detailed study of the low temperature and high magnetic field phases in the chemical substitution series URu$_2$Si$_{2-x}$P$_x$ using electrical transport and magnetization in pulsed magnetic fields up to 65T. Within the hidden…

Strongly Correlated Electrons · Physics 2018-12-10 M. R. Wartenbe , K. W. Chen , A. Gallagher , N. Harrison , R. D. McDonald , G. S. Boebinger , R. E. Baumbach

Recent studies of La$_3$Ni$_2$O$_7$ have identified a bilayer (2222) structure and an unexpected alternating monolayer-trilayer (1313) structure, both of which feature signatures of superconductivity near 80 K under high pressures. Using…

The electronic structure of the natural topological semimetal Co$_3$Sn$_2$S$_2$ crystals was studied using near-edge x-ray absorption spectroscopy (NEXAFS) and resonant photoelectron spectroscopy (ResPES). Although, the significant increase…

We have investigated the electronic structure of A-site ordered CaCu$_3$Ti$_4$O$_{12}$ as a function of temperature by using angle-integrated and -resolved photoemission spectroscopies. Intrinsic changes of the electronic structure have…

Strongly Correlated Electrons · Physics 2019-06-13 H. J. Im , T. Sakurada , M. Tsunekawa , T. Watanabe , H. Miyazaki , S. Kimura

Previously reported formulation for electrons on curved periodic surfaces is used to analyze the band structure of an electron bound on the gyroid surface (the only triply-periodic minimal surface that has screw axes). We find that an…

Other Condensed Matter · Physics 2009-11-10 M. Koshino , H. Aoki

We present a re-examination of the electronic structure and Fermi Surface (FS) of Bi-Sr-Ca-Cu-O (BSCCO) as obtained from angle-resolved photoemission experiments. By applying a stricter set of FS crossing criteria as well as by varying the…

Strongly Correlated Electrons · Physics 2007-05-23 Y. D. Chuang , A. D. Gromko , D. S. Dessau , Y. Aiura , Y. Yamaguchi , K. Oka , A. J. Arko , J. Joyce , H. Eisaki , S. I. Uchida , K. Nakamura , Yoichi Ando