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Strategies towards the purposeful design of long-range ferromagnetic ordering due to spin canting

Title data

Thallmair, Sebastian ; Bauer, Wolfgang ; Weber, Birgit:
Strategies towards the purposeful design of long-range ferromagnetic ordering due to spin canting.
In: Polyhedron. Vol. 28 (2009) Issue 9-10 . - pp. 1796-1801.
ISSN 0277-5387
DOI: https://doi.org/10.1016/j.poly.2008.12.010

Abstract in another language

The magnetic properties of three octahedral iron(II) complexes with Schiff-base like equatorial N2O2 coordinating ligands and methanol (MeOH) or 4,4'-bipyridyl (bipy) as axial ligands are reported. The methanol adduct 1(MeOH) ([FeL1(MeOH)](MeOH); with L1 = [3,3']-[3,4-pyridinebis(iminomethylidyne)bis(2,4-pentanedionato)(2-)-N,N',O2,O2'] shows a strong spontaneous magnetization at low temperatures. The complexes 2(MeOH)0.5 ([FeL1(bipy)](MeOH)0.5) and 3(MeOH) ([FeL2(MeOH)2](MeOH); with L2 = [3,3']-[1,2-phenylenebis(iminomethylidyne)bis(2,4-dioxo-4-phenylbutane)(2-)-N,N',O2,O2'] show no indication for some long-range magnetic ordering. Results from X-ray structure analysis of all three complexes indicate that the strong spontaneous magnetization of 1(MeOH) is due to spin canting with a canting angle near 90°.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Cooperative interactions; Iron; Magnetic properties; N; O ligand
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry IV > Chair Anorganic Chemistry IV - Univ.-Prof. Dr. Birgit Weber
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry IV
Result of work at the UBT: No
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 27 Jul 2017 12:35
Last Modified: 27 Jul 2017 12:35
URI: https://eref.uni-bayreuth.de/id/eprint/38842