Antiferromagnetic-to-ferromagnetic transition in metallic Tl1−xKxCo2Se2 (0 ⩽ x ⩽ 1.0) with ThCr2Si2-type structure
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Intra-layer atomic ordering and semi-conductivity in CsAMS<inf>2</inf> (A = Li, Ag; M = Co, Fe)
2020, Journal of Solid State ChemistryTunable K vacancies in K<inf>1−</inf><inf>x</inf>Co<inf>2</inf>Se<inf>2</inf> and their effects on structure and ferromagnetism
2019, Journal of Magnetism and Magnetic MaterialsSpin-flop transition and magnetic phase diagram in CsCo<inf>2</inf>Se<inf>2</inf> revealed by torque and resistivity measurements
2019, Journal of Magnetism and Magnetic MaterialsIs Tl<inf>2</inf>Ni<inf>3</inf>S<inf>2</inf> a mixed valent compound? Crystal and electronic structure investigations
2011, Solid State SciencesCitation Excerpt :Examples are perovskite type TlNiO3 that exhibits charge disproportionation [16,17], antiperovskite type nitrido metallates [18], or interlinked tetrahedra MS4 in FeTlS2 [19–21] and Tl2Fe3S4 [22,23]. TlCo2S2 (ThCr2S2 type) became famous as a layered ferromagnet [24–27]. Like paramagnetic Tl[Ni2S2] [24,25], it is a metallic compound with Tl atoms located between layers of edge sharing NiS4 tetrahedra (dTl–S = 3.28 Å).
Structural, electronic, magnetic and elastic properties of tetragonal layered diselenide KCo<inf>2</inf>Se<inf>2</inf> from first principles calculations
2011, Physica B: Condensed MatterCitation Excerpt :This structure can be schematically described as a sequence of K sheets and [Co2Se2] blocks consisting of {CoSe} tetrahedrons: …[Co2Se2]/K/[Co2Se2]/K/… as shown in Fig. 1. The experiments [7] exhibit an ferromagnetic (FM) behavior of KCo2Se2 with a magnetic moment (MM) of 2.59 μB per formula unit and with Curie temperature ∼78 K. Our band structure calculations (for non-magnetic (NM) and ferromagnetic phases) were carried out by means of the full-potential method with mixed basis APW+lo (LAPW) implemented in the WIEN2k suite of programs [8].
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