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- W4293251901 abstract "b{eta}-Mn-type CoxZnyMnz (x + y + z = 20) alloys have recently attracted increasing attention as a new class of chiral magnets with skyrmions at and above room temperature. However, experimental studies on the transport properties of this material are scarce. In this work, we report the successful growth of the b{eta}-Mn-type Co9.24Zn9.25Mn1.51 and Co9.02Zn9.18Mn1.80 single crystals and a systematic study on their magnetic and transport properties. The skyrmion phase was found in a small temperature range just below the Curie temperature. The isothermal ac susceptibility and dc magnetization as a function of magnetic field confirm the existence of the skyrmion phase. A negative linear magnetoresistance over a wide temperature range from 2 K to 380 K is observed and attributed to the suppression of the magnetic ordering fluctuation under high fields. Both the magnetization and electrical resistivity are almost isotropic. The quantitative analysis of the Hall resistance suggests that the anomalous Hall effect of Co9.24Zn9.25Mn1.51 and Co9.02Zn9.18Mn1.80 single crystals is dominated by the intrinsic mechanism. Our findings contribute to a deeper understanding of the properties of CoxZnyMnz (x + y + z = 20) alloys material and advance their application in spintronic devices." @default.
- W4293251901 created "2022-08-27" @default.
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- W4293251901 date "2022-08-23" @default.
- W4293251901 modified "2023-09-24" @default.
- W4293251901 title "Anomalous electrical transport and magnetic skyrmions in Mn-tuned Co9Zn9Mn2 single crystals" @default.
- W4293251901 doi "https://doi.org/10.48550/arxiv.2208.10955" @default.
- W4293251901 hasPublicationYear "2022" @default.
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