Interplay of magnetism and transport in HoBi
- Boston College, Chestnut Hill, MA (United States)
- McMaster Univ., Hamilton, ON (Canada)
- Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
- National High Magnetic Field Lab., Tallahassee, FL (United States)
- Vienna Univ. of Technology, Vienna (Austria)
- McMaster Univ., Hamilton, ON (Canada); Canadian Institute for Advanced Research, Toronto, ON (Canada); Brockhouse Institute for Materials Research, Hamilton, ON (Canada)
Here, we report the observation of an extreme magnetoresistance (XMR) in HoBi with a large magnetic moment from Ho f electrons. Neutron scattering is used to determine the magnetic wave vectors across several metamagnetic transitions on the phase diagram of HoBi. Unlike other magnetic rare-earth monopnictides, the field dependence of resistivity in HoBi is nonmonotonic and reveals clear signatures of every metamagnetic transition in the low-temperature and low-field regime, at T < 2 K and H < 2.3 T. The XMR appears at H > 2.3 T after all the metamagnetic transitions are complete and the system is spin polarized by the external magnetic field. The existence of an onset field for XMR and the intimate connection between magnetism and transport in HoBi are unprecedented among the magnetic rare-earth monopnictides. Therefore, HoBi provides a unique opportunity to understand the electrical transport in magnetic XMR semimetals.
- Research Organization:
- Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
- Sponsoring Organization:
- USDOE Office of Science (SC), Basic Energy Sciences (BES); USDOE
- Grant/Contract Number:
- AC05-00OR22725
- OSTI ID:
- 1484129
- Alternate ID(s):
- OSTI ID: 1461921
- Journal Information:
- Physical Review B, Vol. 98, Issue 4; ISSN 2469-9950
- Publisher:
- American Physical Society (APS)Copyright Statement
- Country of Publication:
- United States
- Language:
- English
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