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Titolo:
Magnetic anisotropy of a supramolecular Cu(II) [3 x 3] grid
Autore:
Waldmann, O; Koch, R; Schromm, S; Muller, P; Zhao, L; Thompson, LK;
Indirizzi:
Univ Erlangen Nurnberg, Inst Phys 3, D-91058 Erlangen, Germany Univ Erlangen Nurnberg Erlangen Germany D-91058 -91058 Erlangen, Germany Mem Univ Newfoundland, Dept Chem, St Johns, NF A1B 3X7, Canada Mem Univ Newfoundland St Johns NF Canada A1B 3X7 ohns, NF A1B 3X7, Canada
Titolo Testata:
CHEMICAL PHYSICS LETTERS
fascicolo: 1-2, volume: 332, anno: 2000,
pagine: 73 - 78
SICI:
0009-2614(200012)332:1-2<73:MAOASC>2.0.ZU;2-8
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMPLEXES;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Waldmann, O Univ Erlangen Nurnberg, Inst Phys 3, D-91058 Erlangen, GermanyUniv Erlangen Nurnberg Erlangen Germany D-91058 gen, Germany
Citazione:
O. Waldmann et al., "Magnetic anisotropy of a supramolecular Cu(II) [3 x 3] grid", CHEM P LETT, 332(1-2), 2000, pp. 73-78

Abstract

The magnetic anisotropy of the nona-Cu(II) [3 x 3] grid structure [Cu-9(2POAP-H-6)](NO3)(12). 9H(2)O was investigated by means of torque magnetometry. The analysis of the high-field part of torque vs. field curves measured at 1.75 K allowed a precise determination of all anisotropy parameters of the ground state. These could be related to the magnetic parameters of the microscopic Hamiltonian by a suitable perturbation theoretical treatment. We found strong evidence for a sizeable anisotropic exchange interaction. The observed anisotropy of the g-factor could not be explained by simple ligandfield arguments which is attributed to the unusual quasi-octahedral coordination environment of the Cu ions. (C) 2000 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/09/20 alle ore 12:27:01