Magnetic trimer on non-magnetic substrate: From frustration towards non-collinearity -- Web of Science v4.3.1

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Magnetic trimer on non-magnetic substrate: From frustration towards non-collinearity
Uzdin S, Uzdin V, Demangeat C
EUROPHYSICS LETTERS 47 (5): 556-561 SEP 1 1999

Document type: Article

Language: English

Cited References: 12

Times Cited: 2

Abstract:
We present the very first non-collinear magnetic structure calculations of supported metallic 3d triangular trimers. Within the vector Anderson model, in dependence on the ratio between hopping parameters in the trimer the ground state can be collinear or non-collinear. Calculations performed for the Cr and Fe trimers show that the modulus of the magnetic moments per atom are enhanced relatively to bulk value. The dependence, us. hopping integrals, of the angles between the magnetic moments is different when going from Cr to Fe although these angles are equal to 120 degrees in the ground state of the equilateral triangle.

KeyWords Plus:
CLUSTERS, TRANSITION, INTERFACE, STATES

Addresses:
Uzdin S, St Petersburg State Univ, 14 Line VO 29, St Petersburg 199178, Russia
St Petersburg State Univ, St Petersburg 199178, Russia
Inst Phys & Chim Mat Strasbourg, GEMM, F-67037 Strasbourg, France

Publisher:
E D P SCIENCES, LES ULIS CEDEXA

IDS Number:
232MF

ISSN:
0295-5075

Article 12 of 18

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