Incoherent inelastic neutron scattering study of antiferroelectric Cu(HCOO)2·4H2O Crystal

T. Omura; K. Itoh; C. Moriyoshi; S. Ikeda; T. Kamiyama; S. F. Parker

doi:10.1080/10238160412331299456

Incoherent inelastic neutron scattering study of antiferroelectric Cu(HCOO)₂·4H₂O Crystal

T. Omura, K. Itoh, C. Moriyoshi, S. Ikeda, T. Kamiyama, S. F. Parker

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

Abstract

Incoherent inelastic neutron scattering spectra of antiferroelectric Cu(HCOO)₂·4H₂O and its isomorphous Cu(HCOO)₂·4H₂O were measured. Comparing the spectra between these crystals, we extracted the H2O-related modes from many other modes. We find new peaks in the energy range of the H2O librational modes. The spectra in this range become broad above the phase transition temperature indicating that the antiferroelectric dynamics are dominated by the order-disorder of the H2O molecules induced by the out-of-plane hydrogen motion.

Original language	English
Pages (from-to)	287-290
Number of pages	4
Journal	Journal of Neutron Research
Volume	12
Issue number	4
DOIs	https://doi.org/10.1080/10238160412331299456
Publication status	Published - 2004
Externally published	Yes

Keywords

Cu(HCOO)·4HO
Dynamics of HO
Incoherent inelastic neutron scattering

ASJC Scopus subject areas

Nuclear and High Energy Physics
Nuclear Energy and Engineering

Access to Document

10.1080/10238160412331299456

Cite this

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title = "Incoherent inelastic neutron scattering study of antiferroelectric Cu(HCOO)2·4H2O Crystal",

abstract = "Incoherent inelastic neutron scattering spectra of antiferroelectric Cu(HCOO)2·4H2O and its isomorphous Cu(HCOO)2·4H2O were measured. Comparing the spectra between these crystals, we extracted the H2O-related modes from many other modes. We find new peaks in the energy range of the H2O librational modes. The spectra in this range become broad above the phase transition temperature indicating that the antiferroelectric dynamics are dominated by the order-disorder of the H2O molecules induced by the out-of-plane hydrogen motion.",

keywords = "Cu(HCOO)·4HO, Dynamics of HO, Incoherent inelastic neutron scattering",

author = "T. Omura and K. Itoh and C. Moriyoshi and S. Ikeda and T. Kamiyama and Parker, {S. F.}",

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T1 - Incoherent inelastic neutron scattering study of antiferroelectric Cu(HCOO)2·4H2O Crystal

AU - Omura, T.

AU - Itoh, K.

AU - Moriyoshi, C.

AU - Ikeda, S.

AU - Kamiyama, T.

AU - Parker, S. F.

PY - 2004

Y1 - 2004

N2 - Incoherent inelastic neutron scattering spectra of antiferroelectric Cu(HCOO)2·4H2O and its isomorphous Cu(HCOO)2·4H2O were measured. Comparing the spectra between these crystals, we extracted the H2O-related modes from many other modes. We find new peaks in the energy range of the H2O librational modes. The spectra in this range become broad above the phase transition temperature indicating that the antiferroelectric dynamics are dominated by the order-disorder of the H2O molecules induced by the out-of-plane hydrogen motion.

AB - Incoherent inelastic neutron scattering spectra of antiferroelectric Cu(HCOO)2·4H2O and its isomorphous Cu(HCOO)2·4H2O were measured. Comparing the spectra between these crystals, we extracted the H2O-related modes from many other modes. We find new peaks in the energy range of the H2O librational modes. The spectra in this range become broad above the phase transition temperature indicating that the antiferroelectric dynamics are dominated by the order-disorder of the H2O molecules induced by the out-of-plane hydrogen motion.

KW - Cu(HCOO)·4HO

KW - Dynamics of HO

KW - Incoherent inelastic neutron scattering

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