4.6 Article

Temperature- and magnetic-field-controlled magnetic pole reversal in a molecular magnetic compound

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APPLIED PHYSICS LETTERS
卷 95, 期 18, 页码 -

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AMER INST PHYSICS
DOI: 10.1063/1.3259652

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carbon compounds; copper compounds; iron compounds; magnetic switching; magnetisation reversal; magnetocaloric effects; manganese compounds; molecular magnetism

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A highly reversible (bipolar) switching of magnetization in a Prussian blue type molecular magnet Cu0.73Mn0.77[Fe(CN)(6)]center dot zH(2)O using low magnetic fields is demonstrated. The studied molecular compound also shows both positive and negative magnetocaloric effects below its magnetic ordering temperature. A molecular field theory calculation has also been done to explain the observed temperature dependent magnetization reversal behavior. Possible applications of the magnetic pole reversal phenomenon in magnetoelectronic and magnetocaloric devices such as magnetic memory and magnetic cooling/heating based constant temperature bath have been revealed.

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