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A COMMENT ON THE DETECTION OF SPEROMAGNETISM IN INSULATORS BY MOSSBAUER-SPECTROSCOPY

POLLARD, RJ; PANKHURST, QA; (1992) A COMMENT ON THE DETECTION OF SPEROMAGNETISM IN INSULATORS BY MOSSBAUER-SPECTROSCOPY. J PHYS-CONDENS MAT , 4 (21) L317 - L323.

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Abstract

The concept of 'speromagnetism' in insulators describes a state of matter in which the antiferromagnetic exchange interaction between neighbouring magnetic ions is frustrated, leading to a random, isotropic spin structure. The detection of speromagnetism has relied heavily on applied-field Mossbauer spectroscopy. We reconsider the Mossbauer data on three ferric insulators said to be speromagnetic, and find that they may be most simply modelled in terms of antiferromagnetism.

Type: Article
Title: A COMMENT ON THE DETECTION OF SPEROMAGNETISM IN INSULATORS BY MOSSBAUER-SPECTROSCOPY
Keywords: MAGNETIC-PROPERTIES, FERRIC GEL, FIELDS
UCL classification: UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Med Phys and Biomedical Eng
URI: http://discovery.ucl.ac.uk/id/eprint/59426
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