161 citations · 989 across the 18 of their papers we have counts for
18 papers
Enhancement of Superconductivity in WP via Oxide-Assisted Chemical Vapor Transport
Daniel J. Campbell, Wen-Chen Lin, John Collini +6
Tungsten monophosphide (WP) has been reported to superconduct below 0.8 K, and theoretical work has predicted an unconventional Cooper pairing mechanism. Here we present data for W…
Coexistence of Commensurate and Incommensurate Antiferromagnetic Groundstates in CoNbSe Single Crystal
H. Cein Mandujano, Peter Y. Zavalij, Alicia Manjón-Sanz +2
In CoNbSe, crystal symmetry, and cobalt site occupation drive the formation of two distinct magnetic phases. At , the centrosymmetric structure (6/) pr…
Itinerant A-type Antiferromagnetic Order in CoTaSe
H. Cein Mandujano, Gicela Saucedo Salas, Peter Y. Zavalij +3
We present the magnetic behavior and resulting transport properties of TaSe when intercalated by magnetically active cobalt cations. Acting as the layered host, TaSe is a t…
Anomalous symmetry breaking in Weyl semimetal CeAlGe
H. Hodovanets, C. J. Eckberg, Y. Eo +7
CeAlGe, a proposed type-II Weyl semimetal, orders antiferromagnetically below 5 K. At 2 K, spin-flop and a spin-flip transitions to less than 1 /Ce are observed in the …
Sixfold enhancement of superconductivity in a tunable electronic nematic system
Chris Eckberg, Daniel J. Campbell, Tristin Metz +10
The electronic nematic phase, wherein electronic degrees of freedom lower the crystal rotational symmetry, is a common motif across a number of high-temperature superconductors. Ho…
Quantum-critical scale invariance in a transition metal alloy
Y. Nakajima, T. Metz, C. Eckberg +14
Quantum-mechanical fluctuations between competing phases at induce exotic finite-temperature collective excitations that are not described by the standard Landau Fermi liquid…
Intrinsic Insulating Ground State in Transition Metal Dichalcogenide TiSe2
Daniel J. Campbell, Chris Eckberg, Peter Y. Zavalij +8
The transition metal dichalcogenide TiSe has received significant research attention over the past four decades. Different studies have presented ways to suppress the 200~K cha…
Single crystal investigation of proposed type-II Weyl semimetal CeAlGe
H. Hodovanets, C. J. Eckberg, P. Y. Zavalij +6
We present details of materials synthesis, crystal structure, and anisotropic magnetic properties of single crystals of CeAlGe, a proposed type-II Weyl semimetal. Single-crystal x-…
Evolution of Structure and Superconductivity in Ba(NiCo)As
Chris Eckberg, Limin Wang, Halyna Hodovanets +5
The effects of Co-substitution on Ba(NiCo)As () single crystals grown out of Pb flux are investigated via transport, magnetic, and thermodyna…
Morphotropic Phase Boundaries in Ferromagnets: Tb_{1-x}Dy_xFe_2 Alloys
Richard Bergstrom, Manfred Wuttig, James Cullen +5
The structure and properties of the ferromagnet Tb_{1-x}Dy_xFe_2 (Terfenol-D) are explored through the morphotropic phase boundary (MPB) separating ferroic phases of differing symm…
Rare earth substitution in lattice-tuned Sr0.3Ca0.7Fe2As2 solid solutions
Tyler Drye, Shanta R. Saha, Peter Y. Zavalij +1
The effects of aliovalent rare earth substitution on the physical properties of Sr0.3Ca0.7Fe2As2 solid solutions are explored. Electrical transport, magnetic susceptibility and str…
Magnetic-crystallographic phase diagram of superconducting parent compound FeTe
Efrain E. Rodriguez, Chris Stock, Pawel Zajdel +4
hrough neutron diffraction experiments, including spin-polarized measurements, we find a collinear incommensurate spin-density wave with propagation vector ($0.4481…
Structural collapse and superconductivity in rare earth-doped CaFe2As2
S. R. Saha, N. P. Butch, T. Drye +6
Aliovalent rare earth substitution into the alkaline earth site of CaFe2As2 single-crystals is used to fine-tune structural, magnetic and electronic properties of this iron-based s…
Interstitial iron tuning of the spin fluctuations in Fe1+xTe
C. Stock, E. E. Rodriguez, P. Zavalij +2
Using neutron inelastic scattering, we investigate the low-energy spin fluctuations in Fe1+xTe as a function of both temperature and interstitial iron concentration. For Fe1.057(7)…
On the Structure of Vacancy Ordered Superconducting Alkali Metal Iron Selenide
P. Zavalij, Wei Bao, X. F. Wang +9
With single crystal X-ray diffraction studies, we compare the structures of three sample showing optimal superconductivity, K0.774(4)Fe1.613(2)Se2, K0.738(6)Fe1.631(3)Se2 and Cs0.7…
Uniform chemical pressure effect in solid solutions Ba(1-x)Sr(x)Fe2As2 and Sr(1-x)Ca(x)Fe2As2
Shanta R. Saha, Kevin Kirshenbaum, Nicholas P. Butch +2
The effect of alkaline earth substitution on structural parameters was studied in high-quality single crystals of Ba(1-x)Sr(x)Fe2As2 and Sr(1-x)Ca(x)Fe2As2 grown by the self-flux m…
Superconductivity at 23 K in Pt doped BaFe2As2 single crystals
S. R. Saha, T. Drye, K. Kirshenbaum +3
We report superconductivity in single crystals of the new iron-pnictide system BaFe1.9Pt0.1As2 grown by a self-flux solution method and characterized via x-ray, transport, magnetic…
Superconducting and ferromagnetic phases induced by lattice distortions in SrFe2As2
S. R. Saha, N. P. Butch, K. Kirshenbaum +1
Single crystals of SrFe2As2 grown using a self-flux solution method were characterized via x-ray, transport and magnetization studies, revealing a superconducting phase below T_c =…