418 citations · 1.4k across the 18 of their papers we have counts for
18 papers
High-Tc superconductivity in FeSe at high pressure: Dominant hole carriers and enhanced spin fluctuations
J. P. Sun, G. Z. Ye, P. Shahi +10
The importance of electron-hole interband interactions is widely acknowledged for iron-pnictide superconductors with high transition temperatures (Tc). However, high-Tc superconduc…
Bipolar Conduction is the Origin of the Electronic Transition in Pentatellurides: Metallic vs. Semiconducting Behavior
P. Shahi, D. J. Singh, J. P. Sun +5
The pentatellurides, ZrTe5 and HfTe5 are layered compounds with one dimensional transition-metal chains that show a never understood temperature dependent transition in transport p…
Candidate Elastic Quantum Critical Point in LaCuAu
L. Poudel, A. F. May, M. R. Koehler +10
The structural properties of LaCuAu have been studied using neutron diffraction, x-ray diffraction, and heat capacity measurements. The continuous orthorhombic-monoclin…
Reply to Comment on "Spin Ice: Magnetic Excitations without Monopole Signatures using Muon Spin Rotation"
S. R. Dunsiger, A. A. Aczel, C. Arguello +13
We respond to the comment of Bramwell et al (arXiv:1111.4168v1) to our original publication (S. R. Dunsiger et al, Phys. Rev. Lett. 107, 207207 (2011)), detailing muon spin rotatio…
Spin Ice: Magnetic Excitations without Monopole Signatures using Muon Spin Rotation
S. R. Dunsiger, A. A. Aczel, C. Arguello +13
Theory predicts the low-temperature magnetic excitations in spin ices consist of deconfined magnetic charges, or monopoles. A recent transverse-field (TF) muon spin rotation (muSR)…
Fully gapped superconductivity in Ni-pnictide superconductors BaNi2As2 and SrNi2P2
N. Kurita, F. Ronning, C. F. Miclea +7
We have performed low-temperature specific heat and thermal conductivity measurements on the Ni-pnictide superconductors BaNiAs (=0.7 K and SrNiP$…
Comment on "Unconventional s-wave superconductivity in Fe(Se,Te)"
I. I. Mazin, D. J. Singh
Hanaguri et al (Science, 8th of January 2010, p. 181) have reported STM measurements on an Fe-based superconductor Fe(Se,Te). After Fourier-transforming their data they found three…
Temperature and Pressure Dependence of the Fe-specific Phonon Density of States in Ba(Fe(1-x)Co(x))2As2
O. Delaire, M. S. Lucas, A. M. dos Santos +15
The {57}Fe-specific phonon density of states of Ba(Fe(1-x)Co(x))2As2 single crystals (x=0.0, 0.08) was measured at cryogenic temperatures and at high pressures with nuclear-resonan…
Spin-Phonon Coupling in Iron Pnictide Superconductors
T. Egami, B. V. Fine, D. J. Singh +3
The magnetic moment in the parent phase of the iron-pnictide superconductors varies with composition even when the nominal charge of iron is unchanged. We propose the spin-lattice…
Phonons as a probe of the magnetic state in doped and undoped BaFe2As2
D. Reznik, K. Lokshin, D. C. Mitchell +17
We measured phonon frequencies and linewidths in doped and undoped BaFe2As2 single crystals by inelastic x-ray scattering and compared our results with density functional theory (D…
Evidence for Three-Dimensionality in the Fermi Surface Topology of Layered Electron Doped Ba(Fe1-XCox)2As2 Iron Superconductors
P. Vilmercati, A. Fedorov, I. Vobornik +10
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 marke…
Low-temperature magneto-thermal transport investigation of a Ni-based superconductor BaNi2As2: Evidence for fully gapped superconductivity
N. Kurita, F. Ronning, Y. Tokiwa +5
We have performed low-temperature specific heat and thermal conductivity measurements of the Ni-based superconductor BaNiAs ( = 0.7 K) in magnetic field. In z…
Electronic Structure, Magnetism and Superconductivity of Layered Iron Compounds
D. J. Singh, M. H. Du, L. Zhang +2
The layered iron superconductors are discussed using electronic structure calculations. The four families of compounds discovered so far, including Fe(Se,Te) have closely related e…
Itinerant Ferromagnetism and Quantum Criticality in ScIn
A. Aguayo, D. J. Singh
The electronic structure and magnetic properties of hexagonal ScIn are calculated within density functional theory. We find that the Fermi energy lies in a region of flat Sc $d…
Electronic Structure, Local Moments and Transport in Fe_2VAl
D. J. Singh, I. I. Mazin
Local spin density approximation calculations are used to elucidate electronic and magnetic properties of Heusler structure Fe_2VAl. The compound is found to be a low carrier densi…
Nonlocal density functionals and the linear response of the homogeneous electron gas
I. I. Mazin, D. J. Singh
The known and usable truly nonlocal functionals for exchange-correlation energy of the inhomogeneous electron gas are the ADA (average density approximation) and the WDA (weighted…
Calculated thermoelectric properties of La-filled skutterudites
D. J. Singh, I. I. Mazin
The thermoelectric properties of La-filled skutterudites are discussed from the point of view of their electronic structures. These are calculated from first principles within the…
Electronic structure and magnetism in Ru based perovskites
I. I. Mazin, D. J. Singh
The magnetic properties of (Ca,Sr)RuO_3 and Sr_2YRuO_6 are studied within the context of band structure based Stoner theory. LSDA calculations without recourse to strong correlatio…