A carboxylate-based dinuclear dysprosium(III) cluster exhibiting slow magnetic relaxation behaviour |
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Authors: | Joarder Biplab Chaudhari Abhijeet K Rogez Guillaume Ghosh Sujit K |
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Institution: | Indian Institute of Science Education and Research (IISER), Pashan, Pune, India. |
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Abstract: | Herein, we present a carboxylate-based dinuclear dysprosium compound, namely Dy(2)L(6)(MeOH)(2)(H(2)O)(2)] (LH = n-butyric acid) from the reaction of Dy(NO(3))(3)·xH(2)O with n-butyric acid and triethylamine in MeOH solvent. The single crystal X-ray diffraction analysis demonstrate that a total of six monocarboxylate ligands formed this dimeric compound by carboxylate bridging along with coordination from solvent molecules (water and methanol). Each Dy(III) ion is coordinated by nine donor atoms forming a mono-capped antiprismatic coordination environment. Alternating current (AC) magnetic measurements show a frequency dependence of the out-of-phase magnetic susceptibilities (χ') indicating a slow relaxation behaviour of the magnetization. |
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