Exchange-driven slow relaxation of magnetization in NiII2LnIII2 (Ln<sup>III</sup> = Y, Gd, Tb and Dy) butterfly complexes: experimental and theoretical studies
Amit Chakraborty, Naushad Ahmed, J. Ali, Shruti Moorthy, Joydeb Goura, Saurabh Kumar Singh, Guillaume Rogez, Vadapalli Chandrasekhar
Abstract
A series of NiII2LnIII2 complexes (Ln III =Y (1), Gd (2), Tb (3) and Dy (4)) having a butterfly-like metal core were synthesized and structurally characterized; their magnetic measurements reveal that the Ni 2 Tb 2 analogue possess SMM behaviors.
Topics & Concepts
CrystallographyIsostructuralMagnetizationFerromagnetismOrthorhombic crystal systemChemistryRelaxation (psychology)Magnetic susceptibilityParamagnetismLigand (biochemistry)Ab initio quantum chemistry methodsMagnetic anisotropyIntramolecular forceCondensed matter physicsCrystal structureStereochemistryMagnetic fieldPhysicsMoleculeSocial psychologyQuantum mechanicsBiochemistryPsychologyReceptorOrganic chemistryMagnetism in coordination complexesLanthanide and Transition Metal ComplexesElectron Spin Resonance Studies