Magnetic-field-induced shift of the optical band gap in Ni3 V2 O8

P. Chen; B. S. Holinsworth; K. R. O'Neal; T. V. Brinzari; D. Mazumdar; Y. Q. Wang; S. McGill; R. J. Cava; B. Lorenz; J. L. Musfeldt

doi:10.1103/PhysRevB.89.165120

Magnetic-field-induced shift of the optical band gap in Ni3 V2 O8

P. Chen, B. S. Holinsworth, K. R. O'Neal, T. V. Brinzari, D. Mazumdar, Y. Q. Wang, S. McGill, R. J. Cava, B. Lorenz, J. L. Musfeldt

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12 Scopus citations

Abstract

We employ a magnetic-field driven antiferromagnetic to the fully polarized state transition in Ni3V2O8 to investigate the interaction between spin ordering and driven charge excitations, with special emphasis on the color properties. Our measurements reveal field-induced blue shifts of the band gap that are much larger than that of the Zeeman effect in isolation, anticipating a more greenish appearance in the fully polarized state. This color change is verified with direct photographic images and emanates from charge density differences around the Ni and O centers in high fields.

Original language	English (US)
Article number	165120
Journal	Physical Review B - Condensed Matter and Materials Physics
Volume	89
Issue number	16
DOIs	https://doi.org/10.1103/PhysRevB.89.165120
State	Published - Apr 17 2014

All Science Journal Classification (ASJC) codes

Electronic, Optical and Magnetic Materials
Condensed Matter Physics

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10.1103/PhysRevB.89.165120

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title = "Magnetic-field-induced shift of the optical band gap in Ni3 V2 O8",

abstract = "We employ a magnetic-field driven antiferromagnetic to the fully polarized state transition in Ni3V2O8 to investigate the interaction between spin ordering and driven charge excitations, with special emphasis on the color properties. Our measurements reveal field-induced blue shifts of the band gap that are much larger than that of the Zeeman effect in isolation, anticipating a more greenish appearance in the fully polarized state. This color change is verified with direct photographic images and emanates from charge density differences around the Ni and O centers in high fields.",

author = "P. Chen and Holinsworth, {B. S.} and O'Neal, {K. R.} and Brinzari, {T. V.} and D. Mazumdar and Wang, {Y. Q.} and S. McGill and Cava, {R. J.} and B. Lorenz and Musfeldt, {J. L.}",

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doi = "10.1103/PhysRevB.89.165120",

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T1 - Magnetic-field-induced shift of the optical band gap in Ni3 V2 O8

AU - Chen, P.

AU - Holinsworth, B. S.

AU - O'Neal, K. R.

AU - Brinzari, T. V.

AU - Mazumdar, D.

AU - Wang, Y. Q.

AU - McGill, S.

AU - Cava, R. J.

AU - Lorenz, B.

AU - Musfeldt, J. L.

PY - 2014/4/17

Y1 - 2014/4/17

N2 - We employ a magnetic-field driven antiferromagnetic to the fully polarized state transition in Ni3V2O8 to investigate the interaction between spin ordering and driven charge excitations, with special emphasis on the color properties. Our measurements reveal field-induced blue shifts of the band gap that are much larger than that of the Zeeman effect in isolation, anticipating a more greenish appearance in the fully polarized state. This color change is verified with direct photographic images and emanates from charge density differences around the Ni and O centers in high fields.

AB - We employ a magnetic-field driven antiferromagnetic to the fully polarized state transition in Ni3V2O8 to investigate the interaction between spin ordering and driven charge excitations, with special emphasis on the color properties. Our measurements reveal field-induced blue shifts of the band gap that are much larger than that of the Zeeman effect in isolation, anticipating a more greenish appearance in the fully polarized state. This color change is verified with direct photographic images and emanates from charge density differences around the Ni and O centers in high fields.

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JF - Physical Review B - Condensed Matter and Materials Physics

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Magnetic-field-induced shift of the optical band gap in Ni3 V2 O8

Abstract

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