Quantum phase transitions and decoupling of magnetic sublattices in the quasi-two-dimensional Ising magnet Co3V2O8 in a transverse magnetic field
- McMaster Univ., Hamilton, ON (Canada); Helmholtz-Zentrum Berlin (HZB), (Germany). German Research Centre for Materials and Energy
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States). Quantum Condensed Matter Division
- Helmholtz-Zentrum Berlin (HZB), (Germany). German Research Centre for Materials and Energy
- McMaster Univ., Hamilton, ON (Canada)
- Brockhouse Institute for Materials Research, Hamilton, ON (Canada)
- McMaster Univ., Hamilton, ON (Canada); Brockhouse Institute for Materials Research, Hamilton, ON (Canada); Canadian Institute for Advanced Research, Toronto, ON (Canada)
We study the application of a magnetic field transverse to the easy axis, Ising direction in the quasi-two-dimensional kagome staircase magnet, Co3V2O8, induces three quantum phase transitions at low temperatures, ultimately producing a novel high field polarized state, with two distinct sublattices. New time-of-flight neutron scattering techniques, accompanied by large angular access, high magnetic field infrastructure allow the mapping of a sequence of ferromagnetic and incommensurate phases and their accompanying spin excitations. Also, at least one of the transitions to incommensurate phases at μ0Hc1~6.25 T and μ0Hc2~7 T is discontinuous, while the final quantum critical point at μ0Hc3~13 T is continuous.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States). Spallation Neutron Source (SNS)
- Sponsoring Organization:
- USDOE Office of Science (SC)
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1286849
- Alternate ID(s):
- OSTI ID: 1225243
- Journal Information:
- Physical Review B, Vol. 92, Issue 18; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
Web of Science
The cold neutron chopper spectrometer at the Spallation Neutron Source—A review of the first 8 years of operation
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journal | September 2016 |
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