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arxiv: cond-mat/0201090 · v1 · submitted 2002-01-08 · ❄️ cond-mat

Field dependent anisotropy change in a supramolecular Mn(II)-[3x3] grid

Oliver Waldmann (1) , L. Zhao (2) , L. K. Thompson (2) ((1) Physikalisches Institut III , Universit\"at Erlangen-N\"urnberg , (2) Department of Chemistry , Memorial University) This is my paper
classification ❄️ cond-mat
keywords anisotropyfieldtorquechangegridmagneticabruptaccompanied
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The magnetic anisotropy of a novel Mn(II)-[3x3] grid complex was investigated by means of high-field torque magnetometry. Torque vs. field curves at low temperatures demonstrate a ground state with S > 0 and exhibit a torque step due to a field induced level-crossing at B* \approx 7.5 T, accompanied by an abrupt change of magnetic anisotropy from easy-axis to hard-axis type. These observations are discussed in terms of a spin Hamiltonian formalism.

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