High-field ground-state level crossing and magnetic susceptibility of an {Fe8}-cubane cluster

Akira Matsuo; Koichi Kindo; Hiroyuki Nojiri; Larry Engelhardt; Marshall Luban; Euan K. Brechin; Ian A. Gass

doi:10.1103/PhysRevB.80.092401

High-field ground-state level crossing and magnetic susceptibility of an {Fe8}-cubane cluster

Akira Matsuo, Koichi Kindo, Hiroyuki Nojiri, Larry Engelhardt, Marshall Luban, Euan K. Brechin, Ian A. Gass

University of Brighton

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

Abstract

The differential susceptibility, dM/dH, of an Fe8-cubane cluster has been measured for magnetic fields up to 54 T at 1.3 and 4.2 K using a pulsed-field technique. The data feature a single strong peak at 42 ± 1 T, corresponding to a ground state level crossing at that field, in excellent agreement with the predicted value, 41 ± 1 T, obtained using a Heisenberg model of the cluster. The theoretical model also accurately accounts for detailed features of the temperature and field dependence of the width and height of the observed peak.

Original language	English
Journal	Physical Review B
Volume	80
DOIs	https://doi.org/10.1103/PhysRevB.80.092401
Publication status	Published - 1 Sept 2009

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http://prb.aps.org/abstract/PRB/v80/i9/e092401Licence: Unspecified

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title = "High-field ground-state level crossing and magnetic susceptibility of an {Fe8}-cubane cluster",

abstract = "The differential susceptibility, dM/dH, of an Fe8-cubane cluster has been measured for magnetic fields up to 54 T at 1.3 and 4.2 K using a pulsed-field technique. The data feature a single strong peak at 42 ± 1 T, corresponding to a ground state level crossing at that field, in excellent agreement with the predicted value, 41 ± 1 T, obtained using a Heisenberg model of the cluster. The theoretical model also accurately accounts for detailed features of the temperature and field dependence of the width and height of the observed peak.",

author = "Akira Matsuo and Koichi Kindo and Hiroyuki Nojiri and Larry Engelhardt and Marshall Luban and Brechin, {Euan K.} and Gass, {Ian A.}",

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T1 - High-field ground-state level crossing and magnetic susceptibility of an {Fe8}-cubane cluster

AU - Matsuo, Akira

AU - Kindo, Koichi

AU - Nojiri, Hiroyuki

AU - Engelhardt, Larry

AU - Luban, Marshall

AU - Brechin, Euan K.

AU - Gass, Ian A.

PY - 2009/9/1

Y1 - 2009/9/1

N2 - The differential susceptibility, dM/dH, of an Fe8-cubane cluster has been measured for magnetic fields up to 54 T at 1.3 and 4.2 K using a pulsed-field technique. The data feature a single strong peak at 42 ± 1 T, corresponding to a ground state level crossing at that field, in excellent agreement with the predicted value, 41 ± 1 T, obtained using a Heisenberg model of the cluster. The theoretical model also accurately accounts for detailed features of the temperature and field dependence of the width and height of the observed peak.

AB - The differential susceptibility, dM/dH, of an Fe8-cubane cluster has been measured for magnetic fields up to 54 T at 1.3 and 4.2 K using a pulsed-field technique. The data feature a single strong peak at 42 ± 1 T, corresponding to a ground state level crossing at that field, in excellent agreement with the predicted value, 41 ± 1 T, obtained using a Heisenberg model of the cluster. The theoretical model also accurately accounts for detailed features of the temperature and field dependence of the width and height of the observed peak.

U2 - 10.1103/PhysRevB.80.092401

DO - 10.1103/PhysRevB.80.092401

M3 - Article

SN - 1098-0121

VL - 80

JO - Physical Review B

JF - Physical Review B

ER -

High-field ground-state level crossing and magnetic susceptibility of an {Fe8}-cubane cluster

Abstract

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