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Kinetics of magnetization processes in a quasi-one-dimensional Ising superantiferromagnet [{CH3}3NH]CoCl3 · 2H2O
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10.1063/1.4752099
/content/aip/journal/ltp/38/9/10.1063/1.4752099
http://aip.metastore.ingenta.com/content/aip/journal/ltp/38/9/10.1063/1.4752099
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

An arrangement of magnetic moments of Со ions in the ac plane for a single-crystal of CoTAC. The rectangle highlights a unit cell.

Image of FIG. 2.
FIG. 2.

The dependence M(H) of a single crystal of CoTAC along the а axis at the temperatures T, K: 4.2 (—), 3.97 (– ·· –), 3.37 (···), 2.88 (---).

Image of FIG. 3.
FIG. 3.

The dependence of the time constant τ of CoTAC on temperature at Н, Oe: 105 (○), 140 (▼), 350 (⬒), 420 (●), 525 ().

Image of FIG. 4.
FIG. 4.

The dependence of the time constant τ of CoTAC on an external magnetic field at T, K: 1.5 (—), 1.54 (●), 1.67 (), 1.81 ().

Image of FIG. 5.
FIG. 5.

A hysteresis loop of the magnetic CoTAC along the axis a at the temperature 0.73 K. The solid line—an experiment, the dotted line—a theory.

Image of FIG. 6.
FIG. 6.

The temperature dependence of the hysteresis loop width (coercivity) Hc . CoTAC. The points—an experiment, the solid line—a theory.

Image of FIG. 7.
FIG. 7.

The temperature dependences of magnetic moment along the а axis, obtained in the regime of ZFC and FC in the temperature range 2.4–0.5 K and in magnetic fields 60–600 Oe.

Image of FIG. 8.
FIG. 8.

The field dependence of the divergence temperature, T*, of ZFC and FC curves. The points—an experiment, the lines—a theory. The dash-dot line—a noninteracting superparamagnet, the solid line—an interacting superparamagnet.

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/content/aip/journal/ltp/38/9/10.1063/1.4752099
2012-09-28
2014-04-19
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Kinetics of magnetization processes in a quasi-one-dimensional Ising superantiferromagnet [{CH3}3NH]CoCl3 · 2H2O
http://aip.metastore.ingenta.com/content/aip/journal/ltp/38/9/10.1063/1.4752099
10.1063/1.4752099
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