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Short-range magnetic correlations in quasicrystalline i-Tb-Cd
P. Das, A. Kreyssig, G. S. Tucker +11
We report on elastic and inelastic neutron scattering from single-grain isotopically-enriched samples to elucidate the local magnetic correlations between Tb moments in quas…
Magnetic ground state and perturbations of the distorted kagome Ising metal TmAgGe
C. B. Larsen, D. G. Mazzone, N. Gauthier +7
We present the magnetic orders and excitations of the distorted kagome intermetallic magnet TmAgGe. Using neutron single crystal diffraction we identify the propagation vectors $\b…
New insight into tuning magnetic phases of MnSn kagome metals
Simon X. M. Riberolles, Tianxiong Han, Tyler J. Slade +10
Predicting magnetic ordering in kagome compounds offers the possibility of harnessing topological or flat-band physical properties through tuning of the magnetism. Here, we examine…
Effects of Co substitution on the structural and magnetic properties of Sr(NiCo)P
Juan Schmidt, Guilherme Gorgen-Lesseux, Raquel A. Ribeiro +2
Although SrNiP adopts the common ThCrSi structure for K, being in an uncollapsed tetragonal state, on cooling below 325 K it adopts a one-third collapse…
Microscopic characterization of the magnetic properties of the itinerant antiferromagnet La2Ni7 by 139La NMR/NQR measurements
Q. -P. Ding, J. Babu, K. Rana +5
139La nuclear magnetic resonance (NMR) and nuclear quadrupole resonance (NQR) measurements have been performed to investigate the magnetic properties of the itinerant magnet La2Ni7…
Elastocaloric effect of the heavy-fermion system YbPtBi
Elena Gati, Burkhard Schmidt, Sergey L. Bud'ko +2
YbPtBi is one of the heavy-fermion systems with largest Sommerfeld coefficient and is thus classified as a `super'-heavy fermion material. In this work, we resolve the long-deb…
Unusual coercivity and zero field stabilization of fully saturated magnetization in single crystals of LaCrGe
M. Xu, S. L. Bud'ko, R. Prozorov +1
LaCrGe is an itinerant, metallic ferromagnet with a Curie temperature () of 86 K. Whereas LaCrGe has been studied extensively as a function of pressure as an ex…
Formation of a simple cubic antiferromagnet through charge ordering in a double Dirac material
T. Berry, V. C. Morano, T. Halloran +13
The appearance of spontaneous charge order in chemical systems is often associated with the emergence of novel, and useful, properties. Here we show through single crystal diffract…
Antiferromagnetic order and its interplay with superconductivity in CaK(FeMn)As
J. M. Wilde, A. Sapkota, Q. -P. Ding +6
The magnetic order for several compositions of CaK(FeMn)As has been studied by nuclear magnetic resonance (NMR), Mössbauer spectroscopy, and neutron diffraction…
NMR evidence for a Peierls transition in the layered square-net compound LaAgSb
Seung-Ho Baek, Sergey L. Bud'ko, Paul C. Canfield +2
We measured the central () and first satellite () lines of the \la\ NMR spectra as a function of temperature in LaAgSb, i…
Electronic signatures of successive itinerant, magnetic transitions in hexagonal La2Ni7
Kyungchan Lee, Na Hyun Jo, Lin-Lin Wang +5
We use high-resolution angle-resolved photoemission spectroscopy (ARPES) and density functional theory (DFT) calculations to study the electronic and magnetic properties of La2Ni7,…
Canted Antiferromagnetic phases in the layered candidate Weyl material EuMnSb
J. M. Wilde, S. X. M. Riberolles, Atreyee Das +10
EuMnSb is a candidate topological material which can be tuned towards a Weyl semimetal, but there are differing reports for its antiferromagnetic (AFM) phases. The coupling of…
Emergence of Fermi arcs and novel magnetic splitting in an antiferromagnet
Benjamin Schrunk, Yevhen Kushnirenko, Brinda Kuthanazhi +14
The Fermi arcs are signatures of exotic states in solids because they defy conventional concept of Fermi surfaces as closed contours in momentum space. Fermi arcs were first discov…
Effects of external pressure on the narrow gap semiconductor CeCdAs
M. M. Piva, L. Xiang, J. D. Thompson +4
Here we report the magnetic and electronic properties of recently discovered CeCdAs. At ambient pressure, CeCdAs presents a semiconducting behav…
Weak itinerant magnetic phases of La2Ni7
John M. Wilde, Aashish Sapkota, Wei Tian +4
La2Ni7 is an intermetallic compound that is thought to have itinerant magnetism with a small moment ordering below 65 K. A recent study of single crystal samples by Ribeiro et. al.…
Spin-density-wave order controlled by uniaxial stress in CeAuSb
R. Waite, F. Orlandi, D. A. Sokolov +6
The tetragonal heavy-fermion compound CeAuSb (space group ) exhibits incommensurate spin density wave (SDW) order below with the propagation vector…
Hydrostatic pressure effect on Co-based honeycomb magnet BaCo2(AsO4)2
Shuyuan Huyan, Juan Schmidt, Elena Gati +4
The honeycomb antiferromagnet BaCo2(AsO4)2, in which small in-plane magnetic fields (H1 = 0.26 T and H2 = 0.52 T at T = 1.8 K < TN = 5.4 K) induce two magnetic phase transitions, h…
Small moment antiferromagnetic ordering in single crystalline La2Ni7
Raquel A. Ribeiro, Sergey L. Bud'ko, Li Xiang +2
Single crystals of La2Ni7 have been grown out of a binary, La-Ni melt. Temperature dependent, zero magnetic field, specific heat, electrical resistivity, and low field magnetizatio…
Low temperature competing magnetic energy scales in the topological ferrimagnet TbMn6Sn6
S. X. M. Riberolles, Tyler J. Slade, D. L. Abernathy +7
TbMn6Sn6 is a metallic ferrimagnet displaying signatures of both topological electrons and topological magnons arising from ferromagnetism and spin-orbit coupling within its Mn kag…
Visualizing band selective enhancement of quasiparticle lifetime in a metallic ferromagnet
Na Hyun Jo, Yun Wu, Thaís V. Trevisan +8
Electrons navigate more easily in a background of ordered magnetic moments than around randomly oriented ones. This fundamental quantum mechanical principle is due to their Bloch w…
Phase diagram of CeSb from magnetostriction and magnetization measurements: Evidence for ferrimagnetic and antiferromagnetic states
Christopher Trainer, Caiden Abel, Sergey L. Bud'ko +2
Cerium diantimonide (CeSb) is one of a family of rare earth based magnetic materials that exhibit metamagnetism, enabling control of the magnetic ground state through an applie…
Pressure-induced ferromagnetism in the topological semimetal EuCdAs
Elena Gati, Sergey L. Bud'ko, Lin-Lin Wang +10
The antiferromagnet and semimetal EuCdAs has recently attracted a lot of attention due to a wealth of topological phases arising from the interplay of topology and magnetis…
Magnetic properties of the itinerant ferromagnet LaCrGe3 under pressure studied by 139La NMR
K. Rana, H. Kotegawa, R. R. Ullah +6
La nuclear magnetic resonance (NMR) measurements under pressure ( GPa) have been carried out to investigate the static and dynamic magnetic properties of the it…
Magnetic field-induced softening of spin waves and hard-axis order in Kondo-lattice ferromagnet CeAgSb
S. E. Nikitin, A. Podlesnyak, J. Xu +5
A significant number of Kondo-lattice ferromagnets order perpendicular to the easy magnetization axis dictated by the crystalline electric field. The nature of this phenomenon has…