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Related papers: Electronic structure of InSb (001), (110), and (11…

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With angle-resolved photoemission spectroscopy, we studied the electronic structure of TaFe$_{1.23}$Te$_3$, which is a two-leg spin ladder compound with a novel antiferromagnetic ground state. Quasi-two-dimensional Fermi surface is…

We present a detailed theoretical study of the electronic structure of hafnium tin HfSn crystallizing in a B$20$ structure, renowned for the diversity of physical and peculiar topological properties. The chiral crystal structure of these…

Materials Science · Physics 2024-04-05 Dijana Milosavljević , Helge Rosner , Annika Johansson

Using high-resolution angle-resolved photoemission spectroscopy and scanning tunneling microscopy/spectroscopy, the atomic and low energy electronic structure of the Sr-doped superconducting topological insulators (SrxBi2Se3) was studied.…

Ultrathin CrSBr flakes are exfoliated \emph{in situ} on Au(111) and Ag(111) and their electronic structure is studied by angle-resolved photoemission spectroscopy. The thin flakes' electronic properties are drastically different from those…

The first angle-resolved photoemission spectroscopy results from MgB$_2$ single crystals are reported. Close to the $\Gamma$K and $\Gamma$M directions, three distinct dispersions are observed approaching the Fermi energy, as can be assigned…

Superconductivity · Physics 2016-08-31 H. Uchiyama , K. M. Shen , S. Lee , A. Damascelli , D. H. Lu , D. L. Feng , Z. -X. Shen , S. Tajima

The structural and electronic properties of gold decorated Si(335) surface are studied by means of density-functional calculations. The resulting structural model indicates that the Au atoms substitute some of the Si atoms in the middle of…

Mesoscale and Nanoscale Physics · Physics 2009-11-13 Mariusz Krawiec

We investigate topological properties of Bi$_{1-x}$Sb$_{x}$ bilayers in the (111) plane using entanglement measures. Electronic structures are studied using multi-orbital tight-binding model, with structural stability confirmed through…

Mesoscale and Nanoscale Physics · Physics 2018-03-07 M. Brzezińska , M. Bieniek , T. Woźniak , P. Potasz , A. Wójs

In this study, we report the observation of a pseudogap associated with the insulator-metal transition in compositions of Pr$_{1-x}$Sr$_x$MnO$_3$ system with no charge ordering. Our valence band photoemission study shows that the observed…

Strongly Correlated Electrons · Physics 2008-05-06 P. Pal , M. K. Dalai , R. Kundu , M. Chakraborty , B. R. Sekhar , C. Martin

We report on a field-induced change of the electronic band structure of CeBiPt as evidenced by electrical-transport measurements in pulsed magnetic fields. Above ~25 T, the charge-carrier concentration increases nearly 30% with a…

The local electronic structure of the SrO-terminated SrTiO3(001) surface was explored using scanning tunneling microscopy. At low bias voltages in the empty states, a unidirectional structure with a periodicity of 3 unit cells, superimposed…

Strongly Correlated Electrons · Physics 2015-05-27 Katsuya Iwaya , Ryota Shimizu , Takeo Ohsawa , Tomihiro Hashizume , Taro Hitosugi

Mainstream among topological insulators, GaSb/InAs quantum wells present a broken gap alignment for the energy bands which supports the quantum spin Hall insulator phase and forms an important building block in the search of exotic states…

Mesoscale and Nanoscale Physics · Physics 2019-09-11 T. Campos , M. A. T. Sandoval , L. Diago-Cisneros , G. M. Sipahi

We use density-functional theory to study the structure of AlSb(001) and GaSb(001) surfaces. Based on a variety of reconstruction models, we construct surface stability diagrams for AlSb and GaSb under different growth conditions. For…

Materials Science · Physics 2009-11-13 Jeffery Houze , Sungho Kim , Seong-Gon Kim , S. C. Erwin , L. J. Whitman

We use relativistic ab-initio methods combined with model Hamiltonian approaches to analyze the normal-phase electronic and structural properties of the recently discovered WP superconductor. Remarkably, the outcomes of such study can be…

Superconductivity · Physics 2019-09-25 Giuseppe Cuono , Filomena Forte , Mario Cuoco , Rajibul Islam , Jianlin Luo , Canio Noce , Carmine Autieri

We report the magneto-transport properties and the electronic structure of TmSb. TmSb exhibits extremely large transverse magnetoresistance and Shubnikov-de Haas (SdH) oscillation at low temperature and high magnetic field. Interestingly,…

Materials Science · Physics 2018-02-27 Yi-Yan Wang , Hongyun Zhang , Xiao-Qin Lu , Lin-Lin Sun , Sheng Xu , Zhong-Yi Lu , Kai Liu , Shuyun Zhou , Tian-Long Xia

A study of the Fermi surface of the putative topological semimetal Pd$_3$Pb has been carried out using Shubnikov-de Haas (SdH) oscillations measured in fields of up to 60 T. Pd$_3$Pb has garnered attention in the community due to a peculiar…

The nature of the Fermi surface observed in the recently discovered family of unconventional insulators starting with SmB$_6$ and subsequently YbB$_{12}$ is a subject of intense inquiry. Here we shed light on this question by comparing…

The spontaneous rotational symmetry breaking (RSB), a hallmark phenomenon in cuprate and iron-based high-temperature superconductors, is believed to intimately connected to superconductivity, both of which originate from interactions among…

We present a polarization and topology resolved study of the low energy band structure in optimally doped superconducting Ba0.6K0.4Fe2As2 using angle resolved photoemission spectroscopy. Polarization-contrasted measurements allow us to…

Strongly Correlated Electrons · Physics 2009-12-31 L. A. Wray , D. Hsieh , Y. Xia , S. -Y. Xu , D. Qian , G. F. Chen , J. L. Luo , N. L. Wang , M. Z. Hasan

Density-functional-theory-based electronic structure calculations are made to consider the novel electronic states of Ru-pnictides RuP and RuAs where the intriguing phase transitions and superconductivity under doping of Rh have been…

Strongly Correlated Electrons · Physics 2016-01-25 H. Goto , T. Toriyama , T. Konishi , Y. Ohta

At any metal-carbon nanotube interface there is charge transfer and the induced interfacial field determines the position of the carbon nanotube band structure relative to the metal Fermi-level. In the case of a single-wall carbon nanotube…

Mesoscale and Nanoscale Physics · Physics 2009-10-31 Yongqiang Xue , Supriyo Datta