Field-Induced Magnetostructural Transitions in Antiferromagnetic Fe1+yTe1-xSx

Abstract

The transport and structural properties of Fe1+yTe1-xSx (x=0, 0.05, and 0.10) crystals were studied in pulsed magnetic fields up to 65 T. The application of high magnetic fields results in positive magnetoresistance effect with prominent hystereses in the antiferromagnetic state. Polarizing microscope images obtained at high magnetic fields showed simultaneous occurrence of structural transitions. These results indicate that magnetoelastic coupling is the origin of the bicollinear magnetic order in iron chalcogenides.

arXiv comment5 pages, 5 figures, accepted for publication in Journal of the Physical Society of Japan

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Cited by in corpus (3)

• A 31T split-pair pulsed magnet for single crystal x-ray diffraction at low temperature
• High-field irreversible moment reorientation in the antiferromagnet Fe${}_{1.1}$Te
• The influence of magnetic order on the magnetoresistance anisotropy of Fe${}_{1+\delta -x}$Cu${}_x$Te