2011
DOI: 10.1038/ncomms1425
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Li(Zn,Mn)As as a new generation ferromagnet based on a I–II–V semiconductor

Abstract: In a prototypical ferromagnet (Ga,mn)As based on a III-V semiconductor, substitution of divalent mn atoms into trivalent Ga sites leads to severely limited chemical solubility and metastable specimens available only as thin films. The doping of hole carriers via (Ga,mn) substitution also prohibits electron doping. To overcome these difficulties, masek et al. theoretically proposed systems based on a I-II-V semiconductor LiZnAs, where isovalent (Zn,mn) substitution is decoupled from carrier doping with excess/d… Show more

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Cited by 179 publications
(184 citation statements)
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“…2c below T Hist . A very similar departure of ZFC and FC magnetization, associated with a coercive fieldB1 T, was observed in a well-known itinerant ferromagnet SrRuO 3 (refs 16,17), which has a comparable T C B160 K. The large coercive field at low temperatures in (Ba,K)(Zn,Mn) 2 As 2 is different from Li(Zn,Mn)As, which exhibits a small coercive field ofB100 G in the entire temperature region 7 . The large temperature dependence of the coercive field in (Ba,K)(Zn,Mn) 2 As 2 opens a possibility of temperature tuning of anisotropy and stability of magnetic memory.…”
Section: Articlesupporting
confidence: 59%
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“…2c below T Hist . A very similar departure of ZFC and FC magnetization, associated with a coercive fieldB1 T, was observed in a well-known itinerant ferromagnet SrRuO 3 (refs 16,17), which has a comparable T C B160 K. The large coercive field at low temperatures in (Ba,K)(Zn,Mn) 2 As 2 is different from Li(Zn,Mn)As, which exhibits a small coercive field ofB100 G in the entire temperature region 7 . The large temperature dependence of the coercive field in (Ba,K)(Zn,Mn) 2 As 2 opens a possibility of temperature tuning of anisotropy and stability of magnetic memory.…”
Section: Articlesupporting
confidence: 59%
“…Polycrystalline specimens of (Ba,K)(Zn,Mn) 2 As 2 were synthesized using the arcmelting solid-state reaction method similar to that described in ref. 7. Details of the synthesis and instruments used for characterization are described in the Methods section.…”
Section: Resultsmentioning
confidence: 99%
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“…In comparison to LiMnAs, where the Mn moments are ordered antiferromagnetically both in the ab Mn planes and between the Mn planes stacked along the c axis, 15 in the case of LaOMnAs, the moments are aligned antiferromagnetically in the ab plane but ferromagnetically along c. 9 Interestingly, in contrast to the expected 5 μ B of the S = 5/2 Mn 2+ ion, neutron scattering data on LiMnAs and LaOMnAs suggest a magnetic moment of approximately 3.4 to 3.8 μ B , which is close to the magnetic moment of 4 μ B for an S = 2 Mn 3+ ion. This closely resembles the simple rules and general observation made regarding Heusler compounds, 16 stating that Mn tends to have a large localized magnetic moment with an oxidation state of 3 (in the literature referred to as the Kübler's rule 17 ) in a nominal d 4 configuration. The magnetism then stems from the nonbonding d electrons, as can be best observed in half-Heusler compounds, where only Mn or rareearth-containing compounds form stable magnetic phases.…”
Section: Introductionmentioning
confidence: 79%