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Related papers: Three-Dimensional Bulk Electronic Structures of Ca…

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In search of the potential realization of novel normal-state phases on the surface of Sr2RuO4 - those stemming from either topological bulk properties or the interplay between spin-orbit coupling (SO) and the broken symmetry of the surface…

Strongly Correlated Electrons · Physics 2013-03-06 C. N. Veenstra , Z. -H. Zhu , B. Ludbrook , M. Capsoni , G. Levy , A. Nicolaou , J. A. Rosen , R. Comin , S. Kittaka , Y. Maeno , I. S. Elfimov , A. Damascelli

Surface electronic structure and its one-dimensionality above and below the Fermi level ($E_{\rm F}$) were surveyed on the Bi/GaSb(110)-(2$\times$1) surface hosting quasi-one-dimensional (Q1D) Bi chains, using conventional (one-photon) and…

We report the electronic structure of the iron-chalcogenide superconductor, Fe1.04(Te0.66Se0.34), obtained with high resolution angle-resolved photoemission spectroscopy and density functional calculations. In photoemission measurements,…

The perovskite ruthenate has attracted considerable interest due to reports of possible non-Fermi-liquid behavior and its proximity to a magnetic quantum critical point, yet its ground state and electronic structure remain enigmatic. Here…

Strongly Correlated Electrons · Physics 2019-02-12 Yang Liu , Hari P. Nair , Jacob P. Ruf , Darrell G. Schlom , Kyle M. Shen

The electronic structure of electron doped iron-arsenide superconductors Ba(Fe1- xCox)2As2 has been measured with Angle Resolved Photoemission Spectroscopy. The data reveal a marked photon energy dependence of points in momentum space where…

We have carried out detailed high resolution ARPES measurements and band structure calculations to study the electronic structure of CaMnSb$_{2}$. The observed Fermi surface mainly consists of one hole pocket around ${\Gamma}$ point and one…

We have performed a systematic angle-resolved photoemission spectroscopy (ARPES) study of the high-Tc cuprates La2-xSrxCuO4, ranging from the underdoped insulator to the superconductor to the overdoped metal. We have revealed a systematic…

Strongly Correlated Electrons · Physics 2009-11-11 T. Yoshida , X. J. Zhou , D. H. Lu , Seiki Komiya , Yoichi Ando , H. Eisaki , T. Kakeshita , S. Uchida , Z. Hussain , Z. -X. Shen , A. Fujimori

Qian et al [1] recently reported angular-resolved photoemission spectroscopy (ARPES) measurements for Na0.8CoO2 that show two concentric Fermi surfaces (FS) split by a delta k_F that varies by a factor of three around the Brillouin zone…

Materials Science · Physics 2009-11-11 I. I. Mazin , M. D. Johannes , G. A. Sawatzky

We investigate the electronic structure of Ca$_{1-x}$Sr$_x$VO$_3$ using photoemission spectroscopy. Core level spectra establish an electronic phase separation at the surface, leading to distinctly different surface electronic structure…

Strongly Correlated Electrons · Physics 2009-11-07 K. Maiti , D. D. Sarma , M. J. Rozenberg , I. H. Inoue , H. Makino , O. Goto , M. Pedio , R. Cimino

We performed a detailed study of the intrinsic electronic structure of YRu2Si2 employing angleresolved photoemission spectroscopy (ARPES) and density-functional theory (DFT) based firstprinciples calculations. Electrical and magnetic…

Angle resolved photoemission (ARPES) data from the electron doped cuprate superconductor Sm$_{1.86}$Ce$_{0.14}$CuO$_4$ shows a much stronger pseudo-gap or "hot-spot" effect than that observed in other optimally doped $n$-type cuprates.…

Superconductivity · Physics 2009-11-11 S. R. Park , Y. S. Roh , Y. K. Yoon , C. S. Leem , J. H. Kim , B. J. Kim , H. Koh , H. Eisaki , N. P. Armitage , C. Kim

The Kondo insulator SmB6 has long been known to exhibit low temperature (T < 10K) transport anomaly and has recently attracted attention as a new topological insulator candidate. By combining low-temperature and high energy-momentum…

We have performed angle-resolved photoemission spectroscopy (ARPES) on Cux(PbSe)5(Bi2Se3)6 (CPSBS; x = 1.47), a superconductor derived from a topological insulator heterostructure, to elucidate the electronic states relevant to the…

Mesoscale and Nanoscale Physics · Physics 2015-10-28 K. Nakayama , H. Kimizuka , Y. Tanaka , T. Sato , S. Souma , T. Takahashi , Satoshi Sasaki , Kouji Segawa , Yoichi Ando

High resolution angle-resolved photoemission measurements have been carried out on (La_1.4-xNd_0.6Sr_x)CuO_4, a model system with static stripes, and (La_1.85Sr_0.15)CuO_4, a high temperature superconductor (T_c=40K) with dynamic stripes.…

The topology and spin-orbital polarization of two-dimensional (2D) surface electronic states have been extensively studied in this decade. One major interest in them is their close relationship with the parities of the bulk (3D) electronic…

Strongly Correlated Electrons · Physics 2022-09-27 Yoshiyuki Ohtsubo , Toru Nakaya , Takuto Nakamura , Patrick Le Fèvre , François Bertran , Fumitoshi Iga , Shin-Ichi Kimura

We present a combined theoretical and experimental study of the electronic structure of stoichiometric Bi$_4$Te$_3$, a natural superlattice of alternating Bi$_2$Te$_3$ quintuple layers and Bi bilayers. In contrast to the related…

The topological Weyl semimetal CaSn3, belonging to the AuCu3 type cubic structure, is an important electronic system to investigate both from the point of view of fundamental physics and prospective applications. In this work, we have…

Materials Science · Physics 2020-01-01 M. I. Naher , S. H. Naqib

We report on the electronic structure of the perovskite oxide CaCrO3 using valence-band, core-level, and Cr 2p - 3d resonant photoemission spectroscopy (PES). Despite its antiferromagnetic order, a clear Fermi edge characteristic of a metal…

Strongly Correlated Electrons · Physics 2025-08-20 P. A. Bhobe , A. Chainani , M. Taguchi , R. Eguchi , M. Matsunami , T. Ohtsuki , K. Ishizaka , M. Okawa , M. Oura , Y. Senba , H. Ohashi , M. Isobe , Y. Ueda , S. Shin

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

We have investigated the electronic states in quasi one dimensional (1D) CuO chains by microprobe Angle Resolved Photoemission Spectroscopy. We find that the quasiparticle Fermi surface consists of six disconnected segments, consistent with…