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Tiny Sc allows the chains to rattle: Impact of Lu and Y doping on the charge density wave in ScVSn
William R. Meier, Richa Pokharel Madhogaria, Shirin Mozaffari +8
The kagome metals display an intriguing variety of electronic and magnetic phases arising from the connectivity of atoms on a kagome lattice. A growing number of these materials wi…
Stability of the novel interorbital-hopping mechanism for ferromagnetism in multi-orbital Hubbard models
Ling-Fang Lin, Yang Zhang, Gonzalo Alvarez +4
Recently, it was argued that a ferromagnetic (FM) insulating phase can be induced by a novel {\it interorbital} hopping mechanism. Here, we study the stability range of this novel…
Charge density wave in kagome lattice intermetallic ScV6Sn6
Hasitha W. Suriya Arachchige, William R. Meier, Madalynn Marshall +6
Materials hosting kagome lattices have drawn interest for the diverse magnetic and electronic states generated by geometric frustration. In the VSb compounds ( = K, R…
Topological Electronic Structure Evolution with Symmetry Breaking Spin Reorientation in (FeCo)Sn
Robert G. Moore, Satoshi Okamoto, Haoxiang Li +8
Topological materials hosting kagome lattices have drawn considerable attention due to the interplay between topology, magnetism, and electronic correlations. The (FeCo…
Hidden local symmetry breaking in a kagome-lattice magnetic Weyl semimetal
Qiang Zhang, Yuanpeng Zhang, Masaaki Matsuda +5
Exploring the relationship between intriguing physical properties and structural complexity is a central topic in studying modern functional materials. CoSnS, a n…
Flat-Band Itinerant Antiferromagnetism in the Kagome Metal CoSn1-xInx
B. C. Sales, W. R. Meier, D. S. Parker +12
Destructive interference of electron hopping on the frustrated kagome lattice generates Dirac nodes, saddle points, and flat bands in the electronic structure. The latter provides…
Spiral spin-liquid on a honeycomb lattice
Shang Gao, Michael A. McGuire, Yaohua Liu +5
Spiral spin-liquids are correlated paramagnetic states with degenerate propagation vectors forming a continuous ring or surface in reciprocal space. On the honeycomb lattice, spira…
A catastrophic charge density wave in BaFeAl
William R. Meier, Bryan C. Chakoumakos, Satoshi Okamoto +8
Charge density waves (CDW) are modulations of the electron density and the atomic lattice that develop in some crystalline materials at low temperature. We report an unusual exampl…
Tuning the flat bands of the kagome metal CoSn with Fe, In, or Ni doping
B. C. Sales, W. R. Meier, A. F. May +8
CoSn is a Pauli paramagnet with relatively flat d-bands centered about 100 meV below the Fermi energy Ef. Single crystals of CoSn lightly doped with Fe, In, or Ni are investigated…
Unusual exchange couplings and intermediate temperature Weyl state in Co3Sn2S2
Qiang Zhang, Satoshi Okamoto, German D. Samolyuk +7
Understanding the magnetism and its possible correlations to the topological properties has emerged as a forefront and difficult topic in studying magnetic Weyl semimetals. Co$_{3}…
Novel magnetic states and nematic spin chirality in the kagome lattice metal YMnSn
Nirmal J. Ghimire, Rebecca L. Dally, L. Poudel +9
Identification, understanding, and manipulation of novel magnetic textures is essential for the discovery of new quantum materials for future spin-based electronic devices. In part…
Fantastic flat bands and where to find them: The CoSn-type compounds
William R. Meier, Mao-Hua Du, Satoshi Okamoto +6
Quantum interference on the kagome lattice generates electronic bands with narrow bandwidth, called flat bands. Crystal structures incorporating this lattice can host strong electr…
The magnetic order of a manganese vanadate system with two-dimensional striped triangular lattice
V. O. Garlea, M. A. McGuire, L. D. Sanjeewa +3
Results of magnetization and neutron diffraction measurements of the manganese vanadate system Mn(VO)(OH) are reported. The crystal structure of this compound conta…
Exotic magnetic field-induced spin-superstructures in a mixed honeycomb triangular lattice system
V. Ovidiu Garlea, Liurukara D. Sanjeewa, Michael A. McGuire +7
The temperature-magnetic-field phase diagram of the mixed honeycomb triangular lattice system KMn(VO)CO is investigated by means of magnetization, hea…
Slater Insulator in Iridate Perovskites with Strong Spin-Orbit Coupling
Q. Cui, J. -G. Cheng, W. Fan +17
The perovskite SrIrO3 is an exotic narrow-band metal owing to a confluence of the strengths of the spin-orbit coupling (SOC) and the electron-electron correlations. It has been pro…
LaCuAg: A promising host of an elastic quantum critical point
L. Poudel, C. de la Cruz, M. R. Koehler +4
Structural properties of LaCuAg have been investigated using neutron and x-ray diffraction, and resonant ultrasound spectroscopy (RUS) measurements. Diffraction measu…
Magnetic order and interactions in ferrimagnetic Mn3Si2Te6
Andrew F. May, Yaohua Liu, Stuart Calder +6
The magnetism in MnSiTe has been investigated using thermodynamic measurements, first principles calculations, neutron diffraction and diffuse neutron scattering on sin…
Quantum Critical Behavior in the Asymptotic Limit of High Disorder: Entropy Stabilized NiCoCr0.8 Alloys
Brian C. Sales, Ke Jin, Hongbin Bei +6
The behavior of matter near a quantum critical point (QCP) is one of the most exciting and challenging areas of physics research. Emergent phenomena such as high-temperature superc…
Competing magnetic ground states and their coupling to the crystal lattice in CuFe2Ge2
Andrew F. May, Stuart Calder, David S. Parker +2
Identifying and characterizing systems with coupled and competing interactions is central to the development of physical models that can accurately describe and predict emergent be…
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…
Structural and magnetic characterization of the one-dimensional S = 5/2 antiferromagnetic chain system SrMn(VO4)(OH)
Liurukara D. Sanjeewa, V. Ovidiu Garlea, Michael A. McGuire +3
The descloizite-type compound, SrMn(VO4)(OH), was synthesized as large single crystals using a high-temperature high-pressure hydrothermal technique. X-ray single crystal structure…
Extended Magnetic Exchange Interactions in the High-Temperature Ferromagnet MnBi
T. J. Williams, A. E. Taylor, A. D. Christianson +6
The high-temperature ferromagnet MnBi continues to receive attention as a candidate to replace rare-earth-containing permanent magnets in applications above room temperature. This…
Fragile singlet ground state magnetism in pyrochlore osmates R2Os2O7 (R=Y and Ho)
Z. Y. Zhao, S. Calder, A. A. Aczel +7
The singlet ground state magnetism in pyrochlore osmates YOsO and HoOsO is studied by DC and AC susceptibility, specific heat, and neutron powder diffractio…
Short- and long-range magnetic order in LaMnAsO
Michael A. McGuire, V. Ovidiu Garlea
The magnetic properties of the layered oxypnictide LaMnAsO have been revisited using neutron scattering and magnetization measurements. The present measurements identify the Néel t…