Anomalous Hall resistivity and possible topological Hall effect in the antiferromagnet
We report the observation of anomalous Hall resistivity in single crystals of EuAl 4, a
centrosymmetric tetragonal compound, which exhibits coexisting antiferromagnetic (AFM) …
centrosymmetric tetragonal compound, which exhibits coexisting antiferromagnetic (AFM) …
Correlating Itinerant Magnetism in RCo2Pn2 Pnictides (R = La, Ce, Pr, Nd, Eu, Ca; Pn = P, As) to Their Crystal and Electronic Structures
Conspectus Rare-earth cobalt pnictides, RCo2Pn2 (Pn= P, As), belong to the ThCr2Si2
structure type, which is ubiquitous among intermetallic compounds. The structural and …
structure type, which is ubiquitous among intermetallic compounds. The structural and …
Anisotropy of the In-Plane Resistivity of Underdoped Superconductors Induced by Impurity Scattering in the Antiferromagnetic Orthorhombic Phase
We investigated the in-plane resistivity anisotropy for underdoped Ba (Fe 1-x Co x) 2 As 2
single crystals with improved quality. We demonstrate that the anisotropy in resistivity in the …
single crystals with improved quality. We demonstrate that the anisotropy in resistivity in the …
Spin-flip-driven anomalous Hall effect and anisotropic magnetoresistance in a layered Ising antiferromagnet
The influence of magnetocrystalline anisotropy in antiferromagnets is evident in a spin flip or
flop transition. Contrary to spin flops, a spin-flip transition has been scarcely presented due …
flop transition. Contrary to spin flops, a spin-flip transition has been scarcely presented due …
Crystallographic, electronic, thermal, and magnetic properties of single-crystal SrCoAs
In tetragonal SrCo 2 As 2 single crystals, inelastic neutron scattering measurements
demonstrated that strong stripe-type antiferromagnetic (AFM) correlations occur at a …
demonstrated that strong stripe-type antiferromagnetic (AFM) correlations occur at a …
A Transition from Localized to Strongly Correlated Electron Behavior and Mixed Valence Driven by Physical or Chemical Pressure in ACo2As2 (A = Eu and Ca)
We demonstrate that the action of physical pressure, chemical compression, or aliovalent
substitution in ACo2As2 (A= Eu and Ca) has a general consequence of causing these …
substitution in ACo2As2 (A= Eu and Ca) has a general consequence of causing these …
Large negative magnetoresistance in the antiferromagnetic rare-earth dichalcogenide
We report the synthesis and characterization of a rare-earth dichalcogenide EuTe 2. An
antiferromagnetic transition was found at TN= 11 K. The antiferromagnetic order can be …
antiferromagnetic transition was found at TN= 11 K. The antiferromagnetic order can be …
Dynamical Correlations and Screened Exchange on the Experimental Bench: Spectral Properties of the Cobalt Pnictide
Understanding the Fermi surface and low-energy excitations of iron or cobalt pnictides is
crucial for assessing electronic instabilities such as magnetic or superconducting states …
crucial for assessing electronic instabilities such as magnetic or superconducting states …
Crystal and magnetic structure of CaCoAs studied by x-ray and neutron diffraction
Neutron and x-ray diffraction measurements are presented for powders and single crystals
of CaCo 2 As 2. The crystal structure is a collapsed-tetragonal ThCr 2 Si 2-type structure as …
of CaCo 2 As 2. The crystal structure is a collapsed-tetragonal ThCr 2 Si 2-type structure as …
Stripe Antiferromagnetic Spin Fluctuations in
Inelastic neutron scattering measurements of paramagnetic SrCo 2 As 2 at T= 5 K reveal
antiferromagnetic (AFM) spin fluctuations that are peaked at a wave vector of Q AFM=(1/2 …
antiferromagnetic (AFM) spin fluctuations that are peaked at a wave vector of Q AFM=(1/2 …