Magnetic instabilities in quasi-one-dimensional Cr-based material

Abstract

The magnetic response of a K2Cr3As3 sample has been studied by means of dc magnetization measurements as a function of magnetic field (H) at different temperatures ranging from 5 K up to 300 K. Looking at the magnetic hysteresis loops m(H), a diamagnetic behavior of the sample has been inferred at temperatures higher than 60 K, whereas at lower temperatures the sample shows a hysteresis loop compatible with the presence of ferrimagnetism. Moreover, several spike-like magnetization jumps, both positive and negative, have been observed at certain fields in the range -1000 Oe < H < 1000 Oe, regardless of the temperature considered. The field position of the magnetization jumps has been studied at different temperatures, and their distribution can be described by a Lorentzian curve.

arXiv comment6 pages, 3 figures

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Cited by in corpus (1)

• Topological $p_z$-wave nodal-line superconductivity with flat surface bands in the AH${}_x$Cr${}_3$As${}_3$ (A=Na, K, Rb, Cs) superconductors