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papers

Publications (59)

cond-mat.str-el2016

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 Y $_{2}$ Os $_{2}$ O $_{7}$ and Ho $_{2}$ Os $_{2}$ O $_{7}$ is studied by DC and AC susceptibility, specific heat, and neutron powder diffractio…

cond-mat.str-el2016

Highly-anisotropic exchange interactions of $j_{eff} = 1/2$ iridium moments on the fcc lattice in La $_{2} B$ IrO $_{6}$ ( $B$ $=$ Mg, Zn)

A. A. Aczel, A. M. Cook, T. J. Williams +6

We have performed inelastic neutron scattering (INS) experiments to investigate the magnetic excitations in the weakly distorted face-centered-cubic (fcc) iridate double perovskite…

cond-mat.str-el2019

Crossover from itinerant to localized magnetic excitations through the metal-insulator transition in NaOsO $_{3}$

J. G. Vale, S. Calder, C. Donnerer +8

NaOsO $_{3}$ undergoes a metal-insulator transition (MIT) at 410 K, concomitant with the onset of antiferromagnetic order. The excitation spectra have been investigated throu…

cond-mat.str-el2020

Magnetic exchange interactions in the van der Waals layered antiferromagnet MnPSe3

S. Calder, A. V. Haglund, A. I. Kolesnikov +1

Two-dimensional van der Waals compounds with magnetic ions on a honeycomb lattice are hosts to a variety of exotic behavior. The magnetic interactions in one such compound, MnPSe$_…

cond-mat.mtrl-sci2014

Magnetic and Structural Phase Transitions in the Spinel Compound Fe1+xCr2-xO4

J. Ma, V. O. Garlea, A. Rondinone +10

Neutron and X-ray diffraction, magnetic susceptibility, and specific heat measurements have been used to investigate the magnetic and structural phase transitions of the spinel sys…

cond-mat.mtrl-sci2017

Magnetic ground states and magnetodielectric effect in $R$ Cr(BO $_{3}$ ) $_{2}$ ( $R$ = Y and Ho)

R. Sinclair, H. D. Zhou, M. Lee +4

The layered perovskites $R$ Cr(BO $_{3}$ ) $_{2}$ ( $R$ = Y and Ho) with magnetic triangular lattices were studied by performing ac/dc susceptibility, specific heat, elastic and inelastic n…