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Related papers: Valence band electronic structure of Nb2Pd1.2Se5 a…

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In the present report, we investigate various properties of the Nb2PdS5 superconductor. Scanning electron microscopy displayed slabs like laminar growth of Nb2PdS5while X-ray photoelectron spectroscopy exhibited the hybridization of Sulphur…

Superconductivity · Physics 2018-03-14 Reena Goyal , A. K. Srivastava , Monu Mishra , Govind Gupta , Rajveer Jha , V. P. S. Awana

We present an angle-resolved photoemission spectroscopy study of the electronic structure of SnTe, and compare the experimental results to ab initio band structure calculations as well as a simplified tight-binding model of the p-bands. Our…

Valence-band and conduction-band electronic structure of CrS (d=0) and Cr5S6 (d=0.17) has been investigated by means of photoemission and inverse-photoemission spectroscopies. Bandwidth of the valence bands of Cr5S6 (8.5 eV) is wider than…

Materials Science · Physics 2009-11-07 M. Koyama , H. Sato , Y. Ueda , C. Hirai , M. Taniguchi

This paper presents the comparative study of LDA calculated electronic structure of new isostructural to iron based systems superconductors (Sr,Ca)Pd2As2 with Tc about 1K and similar but structurally different system BaPd2As2. Despite…

Superconductivity · Physics 2014-05-09 I. A. Nekrasov , M. V. Sadovskii

Polycrystalline samples of NbB2+x with nominal composition (B/Nb) = 2.0, 2.1, 2.2, 2.3, 2.4 and 2.5 were studied by X-ray photoelectron spectroscopy (XPS). The spectra revealed Nb and B oxides on the surface of the samples, mainly B2O3 and…

Superconductivity · Physics 2007-05-23 R. Escamilla , L. Huerta

The electronic structure of the unconventional superconductor UTe$_2$ was studied by resonant photoelectron spectroscopy (RPES) and angle-resolved photoelectron spectroscopy (ARPES) with soft X-ray synchrotron radiation. The partial…

Strongly Correlated Electrons · Physics 2019-09-13 Shin-ichi Fujimori , Ikuto Kawasaki , Yukiharu Takeda , Hiroshi Yamagami , Ai Nakamura , Yoshiya Homma , Dai Aoki

We present a combined study of the electronic structure of the superconducting skutterudite derivative SrPt4Ge12 by means of X-ray photoelectron spectroscopy and full potential band structure calculations including an analysis of the…

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 results of hard X-ray angle-resolved photoemission spectroscopy and photoemission diffraction measurements performed on high-quality single crystals of the valence transition compound EuPd$_2$Si$_2$ for temperatures 25~K $\leq$ T…

By means of first-principles calculations, the electronic structure and chemical bonding for the recently discovered tetragonal (s.g. P4/n; # 85) superconducting (Tc ~ 25K) phase Ca10(Pt4As8)(Fe2As2)5 have been examined in details, and the…

Superconductivity · Physics 2011-08-04 I. R. Shein , A. L. Ivanovskii

The densities of the valence and conduction band electronic states of the newly discovered layered superconductors LaOFeAs, LaO$_{0.87}$F$_{0.13}$FeAs (Tc=26 K), SmO$_{0.95}$F$_{0.05}$FeAs and SmO$_{0.85}$F$_{0.15}$FeAs (Tc=43 K) are…

We present a many body analysis of the multi-band Kondo lattice model. The study is then combined with the first principles TB-LMTO band structure calculations, in order to investigate the temperature dependent correlation effects in the…

Strongly Correlated Electrons · Physics 2010-02-09 A. Sharma , W. Nolting

Multiband superconductivity arises when multiple electronic bands contribute to the formation of the superconducting state, allowing distinct pairing interactions and gap structures. Here, we present field- and temperature-dependent data on…

Superconductivity · Physics 2025-05-08 A. Alshemi , E. M. Forgan , A. Hiess , R. Cubitt , J. S. White , K. Schmalzl , E. Blackburn

Li2Pd3B is known to be superconducting, while the isotypical Li2Pt3B compound is not. Electronic structures of Li2Pd3B and Li2Pt3B have been calculated in order to obtain an insight into this surprising difference, through an analysis of…

Superconductivity · Physics 2009-11-11 Sharat Chandra , S. Mathi Jaya , M. C. Valsakumar

Understanding the detailed electronic structure of deep defect states in narrow band-gap semiconductors has been a challenging problem. Recently, self-consistent ab initio calculations within density functional theory (DFT) using supercell…

Materials Science · Physics 2007-05-23 Salameh Ahmad , S. D. Mahanti , Khang Hoang , M. G. Kanatzidis

We report comprehensive study of physical properties of the binary superconductor compound SnAs. The electronic band structure of SnAs was investigated using both angle-resolved photoemission spectroscopy (ARPES) in a wide binding energy…

We report LDA calculated band structure, densities of states and Fermi surfaces for recently discovered Pt-pnictide superconductors APt3P (A=Ca,Sr,La), confirming their multiple band nature. Electronic structure is essentially three…

Superconductivity · Physics 2015-03-20 I. A. Nekrasov , M. V. Sadovskii

We investigate the electronic structure of the metallic NiS$_{1-x}$Se$_x$ system using various electron spectroscopic techniques. The band structure results do not describe the details of the spectral features in the experimental spectrum,…

Strongly Correlated Electrons · Physics 2009-10-31 S. R. Krishnakumar , N. Shanthi , Priya Mahadevan , D. D. Sarma

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

NdO$_{0.5}$F$_{0.5}$BiS$_{2}$ is a new layered superconductor. We have studied the low-lying electronic structure of a single crystalline NdO$_{0.5}$F$_{0.5}$BiS$_{2}$ superconductor, whose superconducting transition temperature is 4.87K,…

Superconductivity · Physics 2014-07-23 Z. R. Ye , H. F. Yang , D. W. Shen , J. Jiang , X. H. Niu , D. L. Feng , Y. P. Du , X. G. Wan , J. Z. Liu , X. Y. Zhu , H. H. Wen , M. H. Jiang