116 citations · 501 across the 15 of their papers we have counts for
15 papers
Competing Antiferromagnetic-Ferromagnetic States in Kitaev Honeycomb Magnet
Hector K. Vivanco, Benjamin A. Trump, Craig M. Brown +1
The Kitaev model is a rare example of an analytically solvable and physically instantiable Hamiltonian yielding a topological quantum spin liquid ground state. Here we report signa…
Low energy magnons in the chiral ferrimagnet : a coarse-grained approach
Yi Luo, G. G. Marcus, B. A. Trump +7
We report a comprehensive neutron scattering study of low energy magnetic excitations in the breathing pyrochlore helimagnetic . Fully documenting the fou…
Spin phases of the helimagnetic insulator CuOSeO probed by magnon heat conduction
N. Prasai, A. Akopyan, B. A. Trump +4
We report studies of thermal conductivity as functions of magnetic field and temperature in the helimagnetic insulator CuOSeO that reveal novel features of the spin-phase t…
Single crystal growth of Cu4(OH)6BrF and universal behavior in quantum spin liquid candidates synthetic barlowite and herbertsmithite
C. M. Pasco, B. A. Trump, Thao T. Tran +5
Synthetic barlowite, Cu4(OH)6BrF, has emerged as a new quantum spin liquid (QSL) host, containing kagome layers of S=1/2 Cu2+ ions separated by interlayer Cu2+ ions. Similar to syn…
Incommensurate magnetism near quantum criticality in CeNiAsO
Shan Wu, W. A. Phelan, L. Liu +14
Two phase transitions in the tetragonal strongly correlated electron system CeNiAsO were probed by neutron scattering and zero field muon spin rotation. For = 8.7(3) K,…
Seeded Chemical Vapor Transport Growth of CuOSeO
Jessica R. Panella, Benjamin A. Trump, Guy G. Marcus +1
We present an optimized seeded chemical vapor transport method for the growth of CuOSeO that allows for chemical control in a system with many stable phases to selectiv…
Ballistic magnon heat conduction and possible Poiseuille flow in the helimagnetic insulator CuOSeO
N. Prasai, B. A. Trump, G. G. Marcus +4
We report on the observation of magnon thermal conductivity 70 W/mK near 5 K in the helimagnetic insulator CuOSeO, exceeding that measured in any other ferromagne…
Low energy magnon dynamics and magneto-optics of the skyrmionic Mott insulator CuOSeO
N. J. Laurita, G. G. Marcus, B. A. Trump +5
In this work, we present a comprehensive study of the low energy optical magnetic response of the skyrmionic Mott insulator CuOSeO via high resolution time-domain THz spect…
Impact of Stoichiometry of Yb2Ti2O7 on its Physical Properties
K. E. Arpino, B. A. Trump, A. O. Scheie +2
A series of Yb2Ti2O7 doped samples demonstrates the effects of off-stoichiometry on Yb2Ti2O7's structure, properties, and magnetic ground state via x-ray diffraction, specific heat…
Rearrangement of Van-der-Waals Stacking and Formation of a Singlet State at K in a Cluster Magnet
J. P. Sheckelton, K. W. Plumb, B. A. Trump +2
Insulating NbCl is a layered chloride consisting of two-dimensional triangular layers of = 1/2 NbCl clusters at room temperature. Magnetic susceptibili…
Growth and Characterization of Iron Scandium Sulfide (FeSc2S4)
Jennifer R. Morey, Kemp W. Plumb, Chris M. Pasco +2
Here we report successful growth of mm scale single crystals of stoichiometric FeSc2S4. Single crystal X-ray diffraction yields a cubic structure, spacegroup Fd-3m, with a=10.5097(…
Disordered Route to the Coulomb Quantum Spin Liquid: Random Transverse Fields on Spin Ice in PrZrO
J. -J. Wen, S. M. Koohpayeh, K. A. Ross +8
Inelastic neutron scattering reveals a broad continuum of excitations in PrZrO, the temperature and magnetic field dependence of which indicate a continuous distributio…
Structure, Properties, and Disorder in the New Distorted-Hollandite PbIr4Se8
Benjamin A. Trump, Tyrel M. McQueen
The synthesis and physical properties of the new distorted-Hollandite PbIr4Se8 are reported. Powder X-ray diffraction and transmission electron microscopy show that the structure c…
Anion-Anion Bonding and the Topology in Ternary Iridium Seleno-Stannides
Benjamin A. Trump, Jake A. Tutmaher, Tyrel M. McQueen
The synthesis and physical properties of two new and one known Ir-Sn-Se compound are reported. Their crystal structures are elucidated with transmission electron microscopy and pow…
Synthesis, floating zone crystal growth and characterization of the Quantum Spin Ice pyrochlore
S. M. Koohpayeh, J. -J. Wen, B. A. Trump +2
Pyrochlore samples in the form of both powders and bulk single crystals have been studied to elucidate the depend…