Tracking the continuous spin-flop transition in Ni3TeO6 by infrared spectroscopy

Michael O. Yokosuk; Sergey Artyukhin; Amal Al-Wahish; Xueyun Wang; Junjie Yang; Zhiqiang Li; Sang Wook Cheong; David Vanderbilt; Janice L. Musfeldt

doi:10.1103/PhysRevB.92.144305

Tracking the continuous spin-flop transition in Ni3TeO6 by infrared spectroscopy

Michael O. Yokosuk, Sergey Artyukhin, Amal Al-Wahish, Xueyun Wang, Junjie Yang, Zhiqiang Li, Sang Wook Cheong, David Vanderbilt, Janice L. Musfeldt

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

29 Scopus citations

Abstract

Easy axis antiferromagnets usually exhibit a first-order spin-flop transition when the magnetic field is applied along the easy axis. Recently a colossal magnetoelectric effect was discovered in Ni3TeO6, suggesting a continuous spin-flop transition across a narrow phase in this material [Oh, Nat. Commun. 5, 3201 (2014)]. Additional evidence is, however, desirable to verify this mechanism. Here we measure the infrared vibrational properties of Ni3TeO6 in high magnetic fields and demonstrate that the phonon anomalies are consistent with a second-order mechanism.

Original language	English (US)
Article number	144305
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	92
Issue number	14
DOIs	https://doi.org/10.1103/PhysRevB.92.144305
State	Published - Oct 8 2015
Externally published	Yes

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.92.144305

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title = "Tracking the continuous spin-flop transition in Ni3TeO6 by infrared spectroscopy",

abstract = "Easy axis antiferromagnets usually exhibit a first-order spin-flop transition when the magnetic field is applied along the easy axis. Recently a colossal magnetoelectric effect was discovered in Ni3TeO6, suggesting a continuous spin-flop transition across a narrow phase in this material [Oh, Nat. Commun. 5, 3201 (2014)]. Additional evidence is, however, desirable to verify this mechanism. Here we measure the infrared vibrational properties of Ni3TeO6 in high magnetic fields and demonstrate that the phonon anomalies are consistent with a second-order mechanism.",

author = "Yokosuk, {Michael O.} and Sergey Artyukhin and Amal Al-Wahish and Xueyun Wang and Junjie Yang and Zhiqiang Li and Cheong, {Sang Wook} and David Vanderbilt and Musfeldt, {Janice L.}",

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doi = "10.1103/PhysRevB.92.144305",

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T1 - Tracking the continuous spin-flop transition in Ni3TeO6 by infrared spectroscopy

AU - Yokosuk, Michael O.

AU - Artyukhin, Sergey

AU - Al-Wahish, Amal

AU - Wang, Xueyun

AU - Yang, Junjie

AU - Li, Zhiqiang

AU - Cheong, Sang Wook

AU - Vanderbilt, David

AU - Musfeldt, Janice L.

PY - 2015/10/8

Y1 - 2015/10/8

N2 - Easy axis antiferromagnets usually exhibit a first-order spin-flop transition when the magnetic field is applied along the easy axis. Recently a colossal magnetoelectric effect was discovered in Ni3TeO6, suggesting a continuous spin-flop transition across a narrow phase in this material [Oh, Nat. Commun. 5, 3201 (2014)]. Additional evidence is, however, desirable to verify this mechanism. Here we measure the infrared vibrational properties of Ni3TeO6 in high magnetic fields and demonstrate that the phonon anomalies are consistent with a second-order mechanism.

AB - Easy axis antiferromagnets usually exhibit a first-order spin-flop transition when the magnetic field is applied along the easy axis. Recently a colossal magnetoelectric effect was discovered in Ni3TeO6, suggesting a continuous spin-flop transition across a narrow phase in this material [Oh, Nat. Commun. 5, 3201 (2014)]. Additional evidence is, however, desirable to verify this mechanism. Here we measure the infrared vibrational properties of Ni3TeO6 in high magnetic fields and demonstrate that the phonon anomalies are consistent with a second-order mechanism.

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Tracking the continuous spin-flop transition in Ni3TeO6 by infrared spectroscopy

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