UNSPECIFIED (1999) Geometric frustration in gadolinium gallium garnet: A Monte Carlo study. In: N(2)M Workshop on Neutrons and Numerical Methods, DEC, 1998, GRENOBLE, FRANCE.

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Abstract

We have studied the magnetic properties of the frustrated triangular anti-ferromagnet Gd3Ga5O12 (GGG) by means of classical Monte Clarlo simulations. Low-temperature specific heat, magnetization, susceptibility. autocorrelation function and neutron scattering function have been calculated for several models including different types of magnetic interactions and with the presence of an external magnetic field. In order to reproduce the experimelltally observed properties of GGG, the simulation model must include nearest neighbor exchange interactions and also dipolar forces. In zero field there is a tendency to form incommensurate short-range magnetic order around positions in reciprocal space where antiferromagnetic Bragg peaks appear in an applied magnetic field.

Item Type:	Conference Item (UNSPECIFIED)
Subjects:	Q Science > QC Physics
Series Name:	AIP CONFERENCE PROCEEDINGS
Journal or Publication Title:	NEUTRONS AND NUMERICAL METHODS-N(2)M
Publisher:	AMER INST PHYSICS
ISBN:	1-56396-838-X
ISSN:	0094-243X
Editor:	Johnson, MR and Kearley, GJ and Buttner, HG
Date:	1999
Volume:	479
Number of Pages:	6
Page Range:	pp. 90-95
Publication Status:	Published
Title of Event:	N(2)M Workshop on Neutrons and Numerical Methods
Location of Event:	GRENOBLE, FRANCE
Date(s) of Event:	DEC, 1998
URI:	http://wrap.warwick.ac.uk/id/eprint/13860

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