Antiferromagnetism in pressure-amorphized Fe2SiO4

M. B. Kruger; R. Jeanloz; M. P. Pasternak; R. D. Taylor; B. S. Snyder; A. M. Stacy; S. R. Bohlen

doi:10.1126/science.255.5045.703

Antiferromagnetism in pressure-amorphized Fe₂SiO₄

M. B. Kruger^*, R. Jeanloz, M. P. Pasternak, R. D. Taylor, B. S. Snyder, A. M. Stacy, S. R. Bohlen

^*Corresponding author for this work

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

Amorphous Fe₂SiO₄ synthesized at elevated pressures exhibits a Néel transition at a temperature identical to that observed in the crystalline form, T_N = 65 (±2) kelvin at zero pressure. This behavior contrasts sharply with observations on other disordered systems, such as spin glasses, which characteristically exhibit strong "frustration" of the spins and consequent marked suppression of the Néel transition.

Original language	English
Pages (from-to)	703-705
Number of pages	3
Journal	Science
Volume	255
Issue number	5045
DOIs	https://doi.org/10.1126/science.255.5045.703
State	Published - 1992

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abstract = "Amorphous Fe2SiO4 synthesized at elevated pressures exhibits a N{\'e}el transition at a temperature identical to that observed in the crystalline form, TN = 65 (±2) kelvin at zero pressure. This behavior contrasts sharply with observations on other disordered systems, such as spin glasses, which characteristically exhibit strong {"}frustration{"} of the spins and consequent marked suppression of the N{\'e}el transition.",

author = "Kruger, {M. B.} and R. Jeanloz and Pasternak, {M. P.} and Taylor, {R. D.} and Snyder, {B. S.} and Stacy, {A. M.} and Bohlen, {S. R.}",

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AU - Kruger, M. B.

AU - Jeanloz, R.

AU - Pasternak, M. P.

AU - Taylor, R. D.

AU - Snyder, B. S.

AU - Stacy, A. M.

AU - Bohlen, S. R.

PY - 1992

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N2 - Amorphous Fe2SiO4 synthesized at elevated pressures exhibits a Néel transition at a temperature identical to that observed in the crystalline form, TN = 65 (±2) kelvin at zero pressure. This behavior contrasts sharply with observations on other disordered systems, such as spin glasses, which characteristically exhibit strong "frustration" of the spins and consequent marked suppression of the Néel transition.

AB - Amorphous Fe2SiO4 synthesized at elevated pressures exhibits a Néel transition at a temperature identical to that observed in the crystalline form, TN = 65 (±2) kelvin at zero pressure. This behavior contrasts sharply with observations on other disordered systems, such as spin glasses, which characteristically exhibit strong "frustration" of the spins and consequent marked suppression of the Néel transition.

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Antiferromagnetism in pressure-amorphized Fe₂SiO₄

Abstract

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