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Emergence of long-range magnetic order from spin-glass state by tuning electron density in a stoichiometric Ga-based quasicrystal approximant

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arxiv 2305.11393 v1 pith:JBVXOGNC submitted 2023-05-19 cond-mat.str-el cond-mat.dis-nn

Emergence of long-range magnetic order from spin-glass state by tuning electron density in a stoichiometric Ga-based quasicrystal approximant

Farid Labib , Shintaro Suzuki , Asuka Ishikawa , Takenori Fujii , Ryuji Tamura This is my paper
classification cond-mat.str-el cond-mat.dis-nn
keywords magneticorderspin-glassapproximantemergencelong-rangestatestoichiometric
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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This study reports the first observation of ferromagnetic (FM) order in the non-Au-based approximant crystals (ACs) using a novel approach whereby a total electron-per-atom (e/a) ratio of the spin-glass Ga50Pd36Gd14 1/1 AC is lowered by simultaneously substituting certain ratios of a tri-valent Ga and a zero-valent Pd by a mono-valent Au. The emergence of FM order by this method was confirmed via magnetic susceptibility, magnetization, and specific heat measurements. The findings of this study open up vast opportunities in developing long-range magnetic orders from stoichiometric ACs, quasicrystals, and even other RKKY compounds with spin-glass ground state.

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