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Stripe magnetic order and field-induced quantum criticality in the perfect triangular-lattice antiferromagnet CsCeSe
Tao Xie, Nan Zhao, S. Gozel +13
The two-dimensional triangular-lattice antiferromagnet (TLAF) is a textbook example of frustrated magnetic systems. Despite its simplicity, the TLAF model exhibits a highly rich an…
Spinon continuum in the Heisenberg quantum chain compound SrVO
Shang Gao, Ling-Fang Lin, Pontus Laurell +11
Magnetic excitations in the spin chain candidate SrVO have been investigated by inelastic neutron scattering on a single crystal sample. A spinon continuum with a bandw…
Interwoven atypical quantum states in CeLiBi
Mitchell M. Bordelon, Clément Girod, Filip Ronning +7
We report the discovery of CeLiBi, the first example of a material in the tetragonal Ce ( = transition metal; = pnictogen) family wherein an alkali cation replaces…
Zig-Zag magnetic order and potential Kitaev interactions in the spin-1 honeycomb lattice KNiAsO
K. M. Taddei, V. O. Garlea, A. M. Samarakoon +6
Despite the exciting implications of the Kitaev spin-Hamiltonian, finding and confirming the quantum spin liquid state has proven incredibly difficult. Recently the applicability o…
Spin-orbit coupling controlled ground states in the double perovskite iridates A2BIrO6 (A = Ba, Sr; B = Lu, Sc)
A. A. Aczel, Q. Chen, J. P. Clancy +11
Iridates with the 5 electronic configuration have attracted recent interest due to reports of magnetically-ordered ground states despite longstanding expectations that their s…
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…
Single pair of Weyl nodes in the spin-canted structure of EuCdAs
K. M. Taddei, L. Yin, L. D. Sanjeewa +6
Time reversal symmetry breaking Weyl semimetals are unique among Weyl materials in allowing the minimal number of Weyl points thus offering the clearest signatures of the associate…
Canted Antiferromagnetism in the Quasi-1D Iron Chalcogenide BaFeSe
Xiaoyuan Liu, Keith M. Taddei, Sheng Li +6
We report the synthesis and physical properties studies of quais-1D iron chalcogenide which shares the tetrahedra building motif commonly seen in the…
Evidence of Ba substitution induced spin-canting in the magnetic Weyl semimetal EuCdAs
L. D. Sanjeewa, J. Xing, K. M. Taddei +4
Recently EuCdAs was predicted to be a magnetic Weyl semi-metal with a lone pair of Weyl nodes generated by A-type antiferromagnetism and protected by a rotational symmetry.…
Quantum versus Classical Spin Fragmentation in Dipolar Kagome Ice Ho3Mg2Sb3O14
Zhiling Dun, Xiaojian Bai, Joseph A. M. Paddison +8
A promising route to realize entangled magnetic states combines geometrical frustration with quantum-tunneling effects. Spin-ice materials are canonical examples of frustration, an…
Tunable magnetic order in low-symmetry SeO ligand linked (SeO)HO ( = Mn, Co and Ni) compounds
K. M. Taddei, L. D. Sanjeewa, J. Xing +5
Generally, one has two strategies to achieve magnetic frustration: through geometric means or interactions with different length scales. As the former leads to much simpler theoret…
Local-Ising type magnetic order and metamagnetism in the rare-earth pyrogermanate ErGeO
K. M. Taddei, L. Sanjeewa, J. W. Kolis +3
The recent discoveries of proximate quantum spin-liquid compounds and their potential application in quantum computing informs the search for new candidate materials for quantum sp…
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…
Quantum Spin Fragmentation in Kagome Ice Ho3Mg2Sb3O14
Zhiling Dun, Xiaojian Bai, Joseph A. M. Paddison +6
A promising route to realize entangled magnetic states combines geometrical frustration with quantum-tunneling effects. Spin-ice materials are canonical examples of frustration, an…
Lattice distortion effects on the frustrated spin-1 triangular-antiferromagnet A3NiNb2O9 (A = Ba, Sr and Ca)
Z. Lu, L. Ge, G. Wang +6
In the geometrically frustrated materials with the low-dimensional and small spin moment, the quantum fluctuation could interfere with the complicated interplay of the spin, electr…
Ground state selection in XY pyrochlore antiferromagnets RGeO (R = Er, Yb)
Z. L. Dun, X. Li, R. S. Freitas +9
Elastic neutron scattering, ac susceptibility, and specific heat experiments on the pyrochlores ErGeO and YbGeO show that both systems are antif…
Neutron scattering study of correlated phase behavior in Sr2IrO4
Chetan Dhital, Tom Hogan, Z. Yamani +5
Neutron diffraction measurements are presented exploring the magnetic and structural phase behaviors of the candidate J Mott insulating iridate SrIrO. Compariso…