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A Novel Molecular Assembly of a Cobalt-Sulfate Coordination Polymer and Melamine: A Manifestation of Magnetic Anisotropy
- 1.0567964 - ÚFCH JH 2024 RIV US eng J - Článek v odborném periodiku
Virseda, I. B. - Siddiqui, S. A. - Prado-Roller, A. - Eisterer, M. - Shiozawa, Hidetsugu
A Novel Molecular Assembly of a Cobalt-Sulfate Coordination Polymer and Melamine: A Manifestation of Magnetic Anisotropy.
ACS Omega. Roč. 8, č. 3 (2023), s. 3493-3500. ISSN 2470-1343. E-ISSN 2470-1343
Grant CEP: GA ČR(CZ) GA19-15217S; GA ČR GA22-23407S; GA MŠMT 8F21010
Institucionální podpora: RVO:61388955
Klíčová slova: CRYSTAL-STRUCTURES * TEMPERATURE * IONS
Obor OECD: Physical chemistry
Impakt faktor: 3.7, rok: 2023
Způsob publikování: Open access
A novel molecular assembly of a cobalt-sulfate coordination polymer and melamine is synthesized under acidic conditions. Bar-shaped pink monocrystals as long as 1 mm are found to align along magnetic field lines in the proximity of a strong magnet. Magnetometry shows no hysteresis at temperatures down to 2 K but instead magnetic anisotropy and antiferromagnetic coupling. X-ray diffraction on a single crystal reveals that the cobalt-sulfate chains are along the shortest lattice vector or the crystal's long axis. The crystal alignment along the magnetic flux can be attributed to single-ion anisotropy that results in longitudinal antiferromagnetic coupling along the chain. Both structurally and magnetically isotropic crystals of metal-organic hybrid materials can be highly useful as elemental components in magneto-optics.
Trvalý link: https://hdl.handle.net/11104/0339274
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