Journal
PHYSICAL REVIEW B
Volume 98, Issue 16, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.98.165441
Keywords
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Funding
- National Natural Science Foundation of China [11604310]
- National Key Scientific Instrument and Equipment Development Project of China [2014YQ090709]
- Key Laboratory of Ultra-Precision Machining Technology Foundation of CAEP [ZZ15003]
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The negative longitudinal magnetoresistance (NLMR) was observed in type-II Dirac semimetal PtSe2 ultrathin microflakes. The NLMR disappeared when the magnetic field direction deviates from that of the electric field, or when the temperature is above a critical value, even when the Fermi level is away from Dirac point. The physical mechanism behind NLMR may relate to the chiral anomaly of Dirac fermions or the nontopological effect in PtSe2 material.
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