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Investigation of electrical and magnetic properties of triangular antiferromagnets
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10.1063/1.3561169
/content/aip/journal/jap/109/7/10.1063/1.3561169
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3561169

Figures

Image of FIG. 1.
FIG. 1.

(Color online) Fe substitution dependence of bond lengths between Fe and Fe (d Fe–Fe), Fe and S (d Fe–S), and bond angles between Fe–S and S–Fe (θFe–S–Fe).

Image of FIG. 2.
FIG. 2.

(Color online) The temperature dependence of susceptibility χ in zero-field-cooled (solid symbols) and field-cooled (open symbols) magnetization under 100 Oe for Ni1− x Fe x Ga2S4(x=0.3, 0.5, 07, 0.9).

Image of FIG. 3.
FIG. 3.

(Color online) (a) Temperature dependence of resistivity ρ and (b) ln R as a function of 1000/T at an applied magnetic field of 5 T of Ni1− x Fe x Ga2S4(x = 0.3, 0.5, 07, 0.9). The inset shows the temperature dependences of analyzed gap energy by Arrhenius law.

Image of FIG. 4.
FIG. 4.

(Color online)Temperature dependence of the quadrupole splitting of representative Ni1− x Fe x Ga2S4, (a) x = 0.1, and (b) x = 1.0. Similar behaviors are observed in samples with different Fe concentration.

Tables

Generic image for table
Table I.

Bond lengths between Fe and Fe (d Fe–Fe), Fe and S (d Fe–S), bond angles between Fe–S and S–Fe (Fe–S–Fe), freezing temperature (Tf ), Néel temperature (TN ), and resistivity (ρ); η is the asymmetric parameter by the Mössbauer analysis at 4.2 K.

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/content/aip/journal/jap/109/7/10.1063/1.3561169
2011-04-05
2014-04-20
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Investigation of electrical and magnetic properties of triangular antiferromagnets
http://aip.metastore.ingenta.com/content/aip/journal/jap/109/7/10.1063/1.3561169
10.1063/1.3561169
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