Large magnetochromism in multiferroic MnWO4

S. Toyoda; N. Abe; T. Arima; S. Kimura

doi:10.1103/PhysRevB.91.054417

Large magnetochromism in multiferroic MnWO4

S. Toyoda, N. Abe, T. Arima, S. Kimura

IMR - High Field Laboratory for Superconducting Materials

The University of Tokyo

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

6 Citations (Scopus)

Abstract

We have performed a measurement of optical absorption in multiferroic MnWO4 in high magnetic fields. This material undergoes magnetic-field-induced successive phase transitions at low temperatures. The spectrum of the optical absorption originating from spin-forbidden d-d excitations at Mn2+ ions was found to change with the phase transitions. The observed magnetochromism suggests that the magnetic moments align approximately along the b axis in the high-field (HF) paraelectric phase above 12 T.

Original language	English
Article number	054417
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	91
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevB.91.054417
Publication status	Published - 2015 Feb 23

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10.1103/PhysRevB.91.054417

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title = "Large magnetochromism in multiferroic MnWO4",

abstract = "We have performed a measurement of optical absorption in multiferroic MnWO4 in high magnetic fields. This material undergoes magnetic-field-induced successive phase transitions at low temperatures. The spectrum of the optical absorption originating from spin-forbidden d-d excitations at Mn2+ ions was found to change with the phase transitions. The observed magnetochromism suggests that the magnetic moments align approximately along the b axis in the high-field (HF) paraelectric phase above 12 T.",

author = "S. Toyoda and N. Abe and T. Arima and S. Kimura",

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AU - Kimura, S.

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N2 - We have performed a measurement of optical absorption in multiferroic MnWO4 in high magnetic fields. This material undergoes magnetic-field-induced successive phase transitions at low temperatures. The spectrum of the optical absorption originating from spin-forbidden d-d excitations at Mn2+ ions was found to change with the phase transitions. The observed magnetochromism suggests that the magnetic moments align approximately along the b axis in the high-field (HF) paraelectric phase above 12 T.

AB - We have performed a measurement of optical absorption in multiferroic MnWO4 in high magnetic fields. This material undergoes magnetic-field-induced successive phase transitions at low temperatures. The spectrum of the optical absorption originating from spin-forbidden d-d excitations at Mn2+ ions was found to change with the phase transitions. The observed magnetochromism suggests that the magnetic moments align approximately along the b axis in the high-field (HF) paraelectric phase above 12 T.

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Large magnetochromism in multiferroic MnWO4

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