Results 1 to 10 of about 2,441 (21)

Electron energy-loss spectroscopy and ab initio electronic structure of the LaOFeP superconductor [PDF]

, 2008
The electronic band structures of the LaOFeP superconductor have been calculated theoretically by the first principles method and measured experimentally by electron energy loss spectroscopy.
Chao Ma, Chongyun Liang, Honglong Shi, Huaixin Yang, Jianqi Li, Peter Blaha, Renchao Che, Ruijuan Xiao   +7 more
core   +1 more source

Superconductivity without Fe or Ni in the phosphides BaIr2P2 and BaRh2P2 [PDF]

, 2009
Heat capacity, resistivity, and magnetic susceptibility measurements confirm bulk superconductivity in single crystals of BaIr$_2$P$_2$ (T$_c$=2.1K) and BaRh$_2$P$_2$ (T$_c$ = 1.0 K). These compounds form in the ThCr$_2$Si$_2$ (122) structure so they are
A. D. Bianchi, C. Capan, G. Seyfarth, J. Ziller, N. Berry, P. Villars, Z. Fisk   +6 more
core   +2 more sources

Proximity induced superconductivity by Bi in topological $Bi_2Te_2Se$ and $Bi_2Se_3$ films: Evidence for a robust zero energy bound state possibly due to Majorana Fermions

, 2011
Point contact conductance measurements on topological $Bi_2Te_2Se$ and $Bi_2Se_3$ films reveal a signature of superconductivity below 2-3 K. In particular, critical current dips and a robust zero bias conductance peak are observed.
A. Kanigel, E. Lahoud, G. Koren, K. B. Chashka, L. A. Baring, T. Kirzhner   +5 more
core   +1 more source

Electronic structure of Fe1.04(Te0.66Se0.34) [PDF]

, 2010
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.
Arita, Masashi, Chen, Fei, Cui, Xiao-Yu, Feng, D. L., Ge, Qing-Qin, He, Cheng, Hu, Jiangping, Lu, Zhong-Yi, Namatame, Hirofumi, Ou, Hong-Wei, Shimada, Kenya, Taniguchi, Masaki, Wei, Jia, Zhang, Yan, Zhao, Jia-Feng, Zhou, Bo   +15 more
core   +3 more sources

Isotope effect on the E2g phonon and mesoscopic phase separation near the electronic topological transition in Mg1-xAlxB2

, 2009
We report the boron isotope effect on the E2g phonon mode by micro-Raman spectroscopy on the ternary Mg1-xAlxB2 system, synthesized with pure isotopes 10B and 11B.
A. Bianconi, D. Lampakis, E. Liarokapis, I. M. Lifshitz, L. Simonelli, M. Filippi, M. Fratini, P. Parisiades, V. Palmisano   +8 more
core   +1 more source

The novel metallic states of the cuprates: Fermi liquids with topological order, and strange metals

, 2016
This article is based on a talk by S.S. at the Nambu Memorial Symposium at the University of Chicago. We review ideas on the nature of the metallic states of the hole-doped cuprate high temperature superconductors, with an emphasis on the connections ...
Chowdhury, Debanjan, Sachdev, Subir
core   +1 more source

High-$T_c$ mechanism through analysis of diverging effective mass for YaBa$_2$Cu$_3$O$_{6+x}$ and pairing symmetry in cuprate superconductors

, 2017
In order to clarify the high-$T_c$ mechanism in inhomogeneous cuprate layer superconductors, we deduce and find the correlation strength not revealed before, contributing to the formation of the Cooper pair and the 2-D density of state, and demonstrate ...
Kim, Hyun-Tak
core   +1 more source

Enhancement of the superconducting gap by nesting in CaKFe4As4 - a new high temperature superconductor [PDF]

, 2016
We use high resolution angle resolved photoemission spectroscopy and density functional theory with experimentally obtained crystal structure parameters to study the electronic properties of CaKFe4As4. In contrast to related CaFe2As2 compounds, CaKFe4As4
Bud’ko, S. L., Canfield, Paul, Canfield, Paul, Eremin, Ilya, Johnson, Duane, Johnson, Duane, Kaminski, Adam, Kong, Tai, Lin, Qisheng, Lin, Qisheng, Lochner, Felix, Meier, William, Mou, Daixiang, Wang, Lin-Lin, Wu, Yun   +14 more
core   +3 more sources

Topological phase transitions in multi-component superconductors

, 2017
We study the phase transition between a trivial and a time-reversal-invariant topological superconductor in a single-band system. By analyzing the interplay of symmetry, topology and energetics, we show that for a generic normal state band structure, the
Fu, Liang, Wang, Yuxuan
core   +1 more source

Spin density wave in oxypnictide superconductors in a three-band model

, 2010
The spin density wave and its temperature dependence in oxypnictide are studied in a three-band model. The spin susceptibilities with various interactions are calculated in the random phase approximation(PPA).
Hu, Liangbin, LiMing, W., Long, Mingsheng   +2 more
core   +1 more source