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Determination of the magnetic principal axes of a dysprosium complex with slow relaxation on a single crystal

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Abstract A mononuclear complex [Dy L 3 (H 2 O) 4 ]·5H 2 O ( 1 ) was synthesized by the assembly of an organic ligand of 2-(4-pyridyl)pyrimidine-4-carboxylic acid (H… Click to show full abstract

Abstract A mononuclear complex [Dy L 3 (H 2 O) 4 ]·5H 2 O ( 1 ) was synthesized by the assembly of an organic ligand of 2-(4-pyridyl)pyrimidine-4-carboxylic acid (H L ) with dysprosium nitrate. Magnetic studies indicate typical slow magnetic relaxation of a single-ion origin under an applied static magnetic field. Furthermore, the angular-resolved magnetometry measurements on a single crystal sample illustrates the obvious easy axial anisotropy with the g // value of 16.85 in this complex. The magnetic easy axis is determined along the direction of the second strongest coordination bond around dysprosium ion.

Keywords: determination magnetic; relaxation single; single crystal; magnetic principal; dysprosium

Journal Title: Journal of Magnetism and Magnetic Materials
Year Published: 2019

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