Direct observation of remarkable crystalline-electric-field effect in quasi-two-dimensional antiferromagnet Er5Ir4Si10 single crystal by low-temperature specific heat

Tsutsumi, K.; Nimori, Shigeki; Kido, G.

doi:10.1016/j.jallcom.2008.09.185

Cited by 1 publication

(2 citation statements)

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“…Those crystals showed a higher antiferromagnetic transition temperature of 3.5 K in the bulk heat-capacity and magnetization measurements. Tsutsumi et al [100,101] claimed their data to be in agreement with 2D antiferromagnetic ordering on planes perpendicular to c. These experiments are in contrast to the detailed neutron scattering measurements, which unequivocally showed 3D antiferromagnetic ordering of the Er 3+ moments [38,39,99].…”

Section: Cdws and Antiferromagnetism In Er 5 Ir 4 Si 10mentioning

confidence: 91%

“…These features are in agreement with antiferromagnetic order below T N = 2.8 K, with magnetic moments of Er 3+ aligned along ±c. More recent studies employed single crystals annealed by the solid state electro-transport method [100,101]. Those crystals showed a higher antiferromagnetic transition temperature of 3.5 K in the bulk heat-capacity and magnetization measurements.…”

Section: Cdws and Antiferromagnetism In Er 5 Ir 4 Si 10mentioning

confidence: 99%

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Unusual ground states in ${R_5T_4X_{10}}$ (R = rare earth;T = Rh, Ir; andX = Si, Ge, Sn): a review

Ramakrishnan

Smaalen

2017

Rep. Prog. Phys.

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Rare earth compounds of the type [Formula: see text] (R = rare earth; T = Rh, Ir, and X = Si, Ge, Sn) display a variety of phase transitions towards exotic states, including charge density waves (CDW), local moment magnetism, antiferromagnetism in the heavy fermion state, superconductivity and giant positive magnetoresistance. They support strongly correlated electron systems. In particular, R Ir [Formula: see text] (R = Dy-Lu) exhibit strong coupling CDWs with high transition temperatures, and superconductivity or magnetic ordering at lower temperatures. [Formula: see text] [Formula: see text] (R = Gd-Tm; T = Co, Rh, Ir) show multiple magnetic transitions with large magnetoresistance below the magnetic transitions. Finally, the light rare earth series [Formula: see text] [Formula: see text] (R = Ce, Pr, Nd; T = Rh, Ir) display heavy fermion behaviour (for Ce and Pr) or possess giant positive magnetoresistance (for Nd) at low temperatures. This review provides a comprehensive overview of compounds, crystal structures and phase transitions. This is followed by an in-depth discussion of the mechanisms of the phase transitions and the properties of the ordered states.

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