Disordered Ground State and Magnetic Field-Induced Long-Range Order in an S=3/2 Antiferromagnetic Honeycomb Lattice Compound Bi3Mn4O12(NO3)
M. Matsuda, M. Azuma, M. Tokunaga, Y. Shimakawa, N. Kumada
TL;DR
This study investigates the magnetic properties of Bi3Mn4O12(NO3), revealing a disordered ground state with short-range correlations and field-induced long-range order in a honeycomb lattice with S=3/2 spins.
Contribution
It provides the first experimental evidence of a disordered ground state and magnetic field-induced long-range order in a honeycomb lattice system with S=3/2.
Findings
Short-range antiferromagnetic correlations at low temperatures.
Magnetic field induces a transition to long-range magnetic order.
Abstract
Bi3Mn4O12(NO3), in which the Mn4+ ions carry S=3/2, is the first honeycomb lattice system that shows no long-range magnetic order. Using neutron scattering, we have determined that short-range antiferromagnetic correlations develop at low temperatures. Applied magnetic fields induce a magnetic transition, in which the short-range order abruptly expands into a long-range order.
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