6533b86dfe1ef96bd12caa71

RESEARCH PRODUCT

Intra-chain collinear magnetism and inter-chain magnetic phases in Cr3As3-K-based materials

Giuseppe CuonoFilomena ForteAlfonso RomanoXing MingJianlin LuoCarmine AutieriCanio Noce

subject

Condensed Matter - Strongly Correlated ElectronsStrongly Correlated Electrons (cond-mat.str-el)FOS: Physical sciencesCondensed Matter::Strongly Correlated Electrons

description

We perform a comparative study of the KCr3As3 and the K2Cr3As3 quasi 1D compounds, and show that the strong interplay between the lattice and the spin degrees of freedom promotes a new collinear ferrimagnetic ground state within the chains in presence of intrachain antiferromagnetic couplings. We propose that the interchain antiferromagnetic coupling in KCr3As3 plays a crucial role for the experimentally observed spin-glass phase with low critical temperature. In the same region of the parameter space, we predict K2Cr3As3 to be non-magnetic but on the verge of the magnetism, sustaining interchain ferromagnetic spin fluctuations while the intrachain spin fluctuations are antiferromagnetic.

yearjournalcountryeditionlanguage
2020-07-13
10.1103/physrevb.103.214406http://arxiv.org/abs/2007.06337