A Novel Molecular Assembly of a Cobalt-Sulfate Coordination Polymer and Melamine

Autor(en)

Ignacio Bernabe Virseda, Shiraz Ahmed Siddiqui, Alexander Prado-Roller, Michael Eisterer, Hidetsugu Shiozawa

Abstrakt

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.

Organisation(en)

Elektronische Materialeigenschaften, Core Facility für Kristallstrukturanalyse, Institut für Anorganische Chemie

Externe Organisation(en)

Czech Academy of Sciences, Technische Universität Wien

Journal

ACS Omega

Band

8

Seiten

3493-3500

Anzahl der Seiten

8

ISSN

2470-1343

DOI

https://doi.org/10.26434/chemrxiv-2022-dgrrl

Publikationsdatum

01-2023

Peer-reviewed

Ja

ÖFOS 2012

103018 Materialphysik, 205019 Materialwissenschaften, 104024 Röntgenstrukturanalyse

Schlagwörter

ASJC Scopus Sachgebiete

Allgemeine Chemie, Allgemeine chemische Verfahrenstechnik

Link zum Portal

https://ucrisportal.univie.ac.at/de/publications/d7d9516b-b3fe-4768-b83e-b69fe5988b7f