Evidence of the breakdown of simple classical pictures of organic molecule-based ferrimagnetics: low-temperature crystal structure and single-crystal ESR studies of an organic heterospin system

Article Abstract:

Issues concerning the use of single-crystal cw-ESR spectroscopy to study pure organic ferrimagnets are presented. The classical picture of ferrimagnetic spin state is not adequate for describing organic molecule-based exchange-coupled spin systems.

Observations, Crystals, Spectrum analysis, Spectroscopy

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Spin-spin correlation function and magnetic susceptibility of quantum ferrimagnetic spin chains as models for organic molecule-based ferrimagnetics

Article Abstract:

A new study calculates the spin-spin correlation function and magnetic susceptibility of quantum ferrimagnetic spin chains.

Ferromagnetic materials

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Theoretical study on spins alignments in ferromagnetic heterospin chains with competing exchange interactions: A generalized ferrimagnetic system containing organic biradicals in the singlet ground state

Article Abstract:

Spin alignments in heterospin chains are examined from numerical calculations of models spin Hamiltonians. It is found that the spin alignment in the low-spin state is dependent on the topology of the intermolecular exchange interactions of the models.

Analysis, Hamiltonian systems, Spin coupling

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