Orbital ordering in ferromagnetic Lu2V2O7

Hirohiko Ichikawa, Luna Kano, Masahiro Saitoh, Shin Miyahara, Nobuo Furukawa, Jun Akimitsu, Tetsuya Yokoo, Takeshi Matsumura, Masayasu Takeda, Kazuma Hirota

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

We have observed the orbital ordering in the ferromagnetic Mott-insulator Lu2V2O7 by the polarized neutron diffraction technique. The orbital ordering pattern determined from the observed magnetic form factors can be explained in terms of a linear combination of wave functions |yz〉, |zx〉 and |xy〉; |0〉 = √1/3|xy〉 + √1/3|yz〉 + √1/3|zx〉 α |(x+y+z)2 - r 2〉, where each orbital is extended toward the center-of-mass of the V tetrahedron. We discuss the stability of the ferromagnetic Lu 2V2O7, using a Hubbard Hamiltonian with these three orbitals.

Original languageEnglish
Pages (from-to)1020-1025
Number of pages6
JournalJournal of the Physical Society of Japan
Volume74
Issue number3
DOIs
Publication statusPublished - Mar 2005
Externally publishedYes

Fingerprint

orbitals
tetrahedrons
center of mass
neutron diffraction
form factors
insulators
wave functions

Keywords

  • LuVO
  • Orbital ordering
  • Polarized neutron
  • Pyrochlore

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Ichikawa, H., Kano, L., Saitoh, M., Miyahara, S., Furukawa, N., Akimitsu, J., ... Hirota, K. (2005). Orbital ordering in ferromagnetic Lu2V2O7 . Journal of the Physical Society of Japan, 74(3), 1020-1025. https://doi.org/10.1143/JPSJ.74.1020

Orbital ordering in ferromagnetic Lu2V2O7 . / Ichikawa, Hirohiko; Kano, Luna; Saitoh, Masahiro; Miyahara, Shin; Furukawa, Nobuo; Akimitsu, Jun; Yokoo, Tetsuya; Matsumura, Takeshi; Takeda, Masayasu; Hirota, Kazuma.

In: Journal of the Physical Society of Japan, Vol. 74, No. 3, 03.2005, p. 1020-1025.

Research output: Contribution to journalArticle

Ichikawa, H, Kano, L, Saitoh, M, Miyahara, S, Furukawa, N, Akimitsu, J, Yokoo, T, Matsumura, T, Takeda, M & Hirota, K 2005, 'Orbital ordering in ferromagnetic Lu2V2O7 ', Journal of the Physical Society of Japan, vol. 74, no. 3, pp. 1020-1025. https://doi.org/10.1143/JPSJ.74.1020
Ichikawa H, Kano L, Saitoh M, Miyahara S, Furukawa N, Akimitsu J et al. Orbital ordering in ferromagnetic Lu2V2O7 . Journal of the Physical Society of Japan. 2005 Mar;74(3):1020-1025. https://doi.org/10.1143/JPSJ.74.1020
Ichikawa, Hirohiko ; Kano, Luna ; Saitoh, Masahiro ; Miyahara, Shin ; Furukawa, Nobuo ; Akimitsu, Jun ; Yokoo, Tetsuya ; Matsumura, Takeshi ; Takeda, Masayasu ; Hirota, Kazuma. / Orbital ordering in ferromagnetic Lu2V2O7 . In: Journal of the Physical Society of Japan. 2005 ; Vol. 74, No. 3. pp. 1020-1025.
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AU - Ichikawa, Hirohiko

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AU - Saitoh, Masahiro

AU - Miyahara, Shin

AU - Furukawa, Nobuo

AU - Akimitsu, Jun

AU - Yokoo, Tetsuya

AU - Matsumura, Takeshi

AU - Takeda, Masayasu

AU - Hirota, Kazuma

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AB - We have observed the orbital ordering in the ferromagnetic Mott-insulator Lu2V2O7 by the polarized neutron diffraction technique. The orbital ordering pattern determined from the observed magnetic form factors can be explained in terms of a linear combination of wave functions |yz〉, |zx〉 and |xy〉; |0〉 = √1/3|xy〉 + √1/3|yz〉 + √1/3|zx〉 α |(x+y+z)2 - r 2〉, where each orbital is extended toward the center-of-mass of the V tetrahedron. We discuss the stability of the ferromagnetic Lu 2V2O7, using a Hubbard Hamiltonian with these three orbitals.

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KW - Polarized neutron

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