Field-induced reentrant magnetoelectric phase in LiNiPO4

Rasmus Toft-Petersen, Ellen Fogh, Takumi Kihara, Jens Jensen, Katharina Fritsch, Jooseop Lee, Garrett E. Granroth, Matthew B. Stone, David Vaknin, Hiroyuki Nojiri, Niels Bech Christensen

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Abstract

Using pulsed magnetic fields up to 30 T we have measured the bulk magnetization and electrical polarization of LiNiPO4 and have studied its magnetic structure by time-of-flight neutron Laue diffraction. Our data establish the existence of a reentrant magnetoelectric phase between 19 T and 21 T. We show that a magnetized version of the zero field commensurate structure explains the magnetoelectric response quantitatively. The stability of this structure suggests a field-dependent spin anisotropy. Above 21 T, amagnetoelectrically inactive, short-wavelength incommensurate structure is identified. Our results demonstrate the combination of pulsed fields with epithermal neutron Laue diffraction as a powerful method to probe even complex phase diagrams in strong magnetic fields.
Original languageEnglish
Article number064421
JournalPhysical Review B
Volume95
Issue number6
Number of pages8
ISSN2469-9950
DOIs
Publication statusPublished - 2017

Bibliographical note

©2017 American Physical Society

Cite this

Toft-Petersen, Rasmus ; Fogh, Ellen ; Kihara, Takumi ; Jensen, Jens ; Fritsch, Katharina ; Lee, Jooseop ; Granroth, Garrett E. ; Stone, Matthew B. ; Vaknin, David ; Nojiri, Hiroyuki ; Christensen, Niels Bech. / Field-induced reentrant magnetoelectric phase in LiNiPO4. In: Physical Review B. 2017 ; Vol. 95, No. 6.
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abstract = "Using pulsed magnetic fields up to 30 T we have measured the bulk magnetization and electrical polarization of LiNiPO4 and have studied its magnetic structure by time-of-flight neutron Laue diffraction. Our data establish the existence of a reentrant magnetoelectric phase between 19 T and 21 T. We show that a magnetized version of the zero field commensurate structure explains the magnetoelectric response quantitatively. The stability of this structure suggests a field-dependent spin anisotropy. Above 21 T, amagnetoelectrically inactive, short-wavelength incommensurate structure is identified. Our results demonstrate the combination of pulsed fields with epithermal neutron Laue diffraction as a powerful method to probe even complex phase diagrams in strong magnetic fields.",
author = "Rasmus Toft-Petersen and Ellen Fogh and Takumi Kihara and Jens Jensen and Katharina Fritsch and Jooseop Lee and Granroth, {Garrett E.} and Stone, {Matthew B.} and David Vaknin and Hiroyuki Nojiri and Christensen, {Niels Bech}",
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Toft-Petersen, R, Fogh, E, Kihara, T, Jensen, J, Fritsch, K, Lee, J, Granroth, GE, Stone, MB, Vaknin, D, Nojiri, H & Christensen, NB 2017, 'Field-induced reentrant magnetoelectric phase in LiNiPO4', Physical Review B, vol. 95, no. 6, 064421. https://doi.org/10.1103/PhysRevB.95.064421

Field-induced reentrant magnetoelectric phase in LiNiPO4. / Toft-Petersen, Rasmus; Fogh, Ellen; Kihara, Takumi; Jensen, Jens; Fritsch, Katharina; Lee, Jooseop; Granroth, Garrett E.; Stone, Matthew B.; Vaknin, David; Nojiri, Hiroyuki; Christensen, Niels Bech.

In: Physical Review B, Vol. 95, No. 6, 064421, 2017.

Research output: Contribution to journalJournal articleResearchpeer-review

TY - JOUR

T1 - Field-induced reentrant magnetoelectric phase in LiNiPO4

AU - Toft-Petersen, Rasmus

AU - Fogh, Ellen

AU - Kihara, Takumi

AU - Jensen, Jens

AU - Fritsch, Katharina

AU - Lee, Jooseop

AU - Granroth, Garrett E.

AU - Stone, Matthew B.

AU - Vaknin, David

AU - Nojiri, Hiroyuki

AU - Christensen, Niels Bech

N1 - ©2017 American Physical Society

PY - 2017

Y1 - 2017

N2 - Using pulsed magnetic fields up to 30 T we have measured the bulk magnetization and electrical polarization of LiNiPO4 and have studied its magnetic structure by time-of-flight neutron Laue diffraction. Our data establish the existence of a reentrant magnetoelectric phase between 19 T and 21 T. We show that a magnetized version of the zero field commensurate structure explains the magnetoelectric response quantitatively. The stability of this structure suggests a field-dependent spin anisotropy. Above 21 T, amagnetoelectrically inactive, short-wavelength incommensurate structure is identified. Our results demonstrate the combination of pulsed fields with epithermal neutron Laue diffraction as a powerful method to probe even complex phase diagrams in strong magnetic fields.

AB - Using pulsed magnetic fields up to 30 T we have measured the bulk magnetization and electrical polarization of LiNiPO4 and have studied its magnetic structure by time-of-flight neutron Laue diffraction. Our data establish the existence of a reentrant magnetoelectric phase between 19 T and 21 T. We show that a magnetized version of the zero field commensurate structure explains the magnetoelectric response quantitatively. The stability of this structure suggests a field-dependent spin anisotropy. Above 21 T, amagnetoelectrically inactive, short-wavelength incommensurate structure is identified. Our results demonstrate the combination of pulsed fields with epithermal neutron Laue diffraction as a powerful method to probe even complex phase diagrams in strong magnetic fields.

U2 - 10.1103/PhysRevB.95.064421

DO - 10.1103/PhysRevB.95.064421

M3 - Journal article

VL - 95

JO - Physical Review B (Condensed Matter and Materials Physics)

JF - Physical Review B (Condensed Matter and Materials Physics)

SN - 1098-0121

IS - 6

M1 - 064421

ER -