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Nanometric modulations of the magnetic structure of the element Nd
H. Suriya Arachchige, L. M. DeBeer-Schmitt, L. L. Kish +17
The rare earth neodymium arguably exhibits the most complex magnetic ordering and series of magnetic phase transitions of the elements. Here we report the results of small-angle ne…
Magnetic Interactions of the Centrosymmetric Skyrmion Material Gd2PdSi3
Joseph A. M. Paddison, Binod K. Rai, Andrew F. May +4
The experimental realization of magnetic skyrmions in centrosymmetric materials has been driven by theoretical understanding of how a delicate balance of anisotropy and frustration…
Complex magnetic phases in polar tetragonal intermetallic NdCoGe
Binod K. Rai, Ganesh Pokharel, Hasitha Suriya Arachchige +8
Polar materials can host a variety of topologically significant magnetic phases, which often emerge from a modulated magnetic ground state. Relatively few noncentrosymmetric tetrag…
Weakly coupled alternating chains in the distorted honeycomb lattice compound NaCuTeO
Shang Gao, Ling-Fang Lin, Andrew F. May +5
Spin-1/2 chains with alternating antiferromagnetic (AF) and ferromagnetic (FM) couplings exhibit quantum entanglement like the integer-spin Haldane chains and might be similarly ut…
Magnetism of NdO single crystals near the Néel temperature
Binod K. Rai, A. D. Christianson, G. Sala +3
Single crystals of NdO were grown and characterized using neutron scattering and thermodynamic measurements. NdO has long-range antiferromagnetic order below $T_{\r…
Van Hove singularity in the magnon spectrum of the antiferromagnetic quantum honeycomb lattice
G. Sala, M. B. Stone, Binod K. Rai +12
The magnetic excitation spectrum of the quantum magnet YbCl is studied with inelastic neutron scattering. The spectrum exhibits an unusually sharp feature within a broad contin…
Complex Transport and Magnetism in Inhomogeneous Mixed Valence CeIrGe
A. M. Hallas, C. L. Huang, Binod K. Rai +6
We report the discovery of CeIrGe, a new Remeika phase compound with a complex array of structural, electronic, and magnetic properties. Our single crystal x-ray dif…
Crystal field splitting, local anisotropy, and low energy excitations in the quantum magnet YbCl
G. Sala, M. B. Stone, Binod K. Rai +9
We study the correlated quantum magnet, YbCl, with neutron scattering, magnetic susceptibility, and heat capacity measurements. The crystal field Hamiltonian is determined thro…
Influence of cobalt substitution on the magnetism of NiBr
Binod K. Rai, Andrew D. Christianson, David Mandrus +1
Co substituted NiCoBr (0 1) single crystals were synthesized using vapor transport. The physical properties of the crystals were characterized by x-ra…
Ferromagnetic ordering along the hard axis in the Kondo lattice YbIr3Ge7
Binod K. Rai, Macy Stavinoha, J. Banda +7
Ferromagnetic Kondo lattice compounds are far less common than their antiferromagnetic analogs. In this work, we report the discovery of a new ferromagnetic Kondo lattice compound,…
Kondo-lattice ferromagnets and their peculiar order along the magnetically hard axis
Daniel Hafner, Binod K. Rai, Jacintha Banda +6
We show that Ce- and Yb-based Kondo-lattice ferromagnets order mainly along the magnetically hard direction of the ground state Kramers doublet determined by crystalline electric f…
Magnetic excitation emergence relevant to carrier scattering in semimetal YbIrGe
Kazuaki Iwasa, C. -L. Huang, Binod K. Rai +3
Inelastic neutron scattering experiments have been conducted to investigate the semimetal system YbIrGe. No clear crystal-field-split levels were observed up to an e…
Physical properties of the trigonal binary compound NdO
G. Sala, M. B. Stone, B. K. Rai +9
We have studied the physical properties of NdO with neutron diffraction, inelastic neutron scattering, heat capacity, and magnetic susceptibility measurements. NdO…
Crystalline electric field of Ce in trigonal symmetry: CeIr3Ge7 as a model case
Jacintha Banda, Binod K. Rai, Helge Rosner +3
The crystalline electric field (CEF) of Ce3+ in trigonal symmetry has recently become of some relevance, for instance, in the search of frustrated magnetic systems. Fortunately, it…
Low-carrier density and fragile magnetism in a Kondo lattice system
Binod K. Rai, Iain W. H. Oswald, Wenjing Ban +17
Kondo-based semimetals and semiconductors are of extensive current interest as a viable platform for strongly correlated states. It is thus important to understand the routes towar…
CeIrGe: a local moment antiferromagnetic metal with extremely low ordering temperature
Binod K. Rai, Jacintha Banda, Macy Stavinoha +9
CeIrGe is an antiferromagnetic metal with a remarkably low ordering temperature = 0.63 K, while most Ce-based magnets order between 2 and 15 K. Thermodynamic an…
Anomalous metamagnetism in the low carrier density Kondo lattice YbRh3Si7
Binod K. Rai, S. Chikara, Xiaxin Ding +25
We report complex metamagnetic transitions in single crystals of the new low carrier Kondo antiferromagnet YbRh3Si7. Electrical transport, magnetization, and specific heat measurem…