Laser-induced crystallization of β′-RE2(MoO4)3 ferroelectrics (RE: Sm, Gd, Dy) in glasses and their surface morphologies

R. Nakajima; M. Abe; Y. Benino; T. Fujiwara; H. G. Kim; T. Komatsu

doi:10.1016/j.jnoncrysol.2006.08.050

Laser-induced crystallization of β′-RE₂(MoO₄)₃ ferroelectrics (RE: Sm, Gd, Dy) in glasses and their surface morphologies

R. Nakajima, M. Abe, Y. Benino, T. Fujiwara, H. G. Kim, T. Komatsu

ENG - Applied Physics

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

30 Citations (Scopus)

Abstract

The glasses with the compositions of 21.25RE₂O₃-63.75MoO₃-15B₂O₃ (RE: Sm, Gd, Dy) were prepared and the formation of β′-RE₂(MoO₄)₃ ferroelectrics was confirmed in the crystallized glasses obtained through a conventional crystallization in an electric furnace. The features of the glass structure and crystallization behavior were clarified from measurements of Raman scattering spectra. Continuous-wave Nd:YAG laser with a wavelength of 1064 nm (laser power: 0.6-0.9 W, laser scanning speed: S = 1-16 μm/s) was irradiated to 10.625Sm₂O₃-10.625Gd₂O₃ (or Dy₂O₃)-63.75MoO₃-15B₂O₃ glasses, and the structural modification was induced at the glass surface. At the scanning speed of S = 10 μm/s, crystal lines consisting of β′-Gd_2-xSm_x(MoO₄)₃ or β′-Dy_2-xSm_x(MoO₄)₃ crystals were patterned on the glass surface. It was found that those crystal lines have the surface morphology with periodic bumps. At S = 1 μm/s, it was found that crystal lines consist of the mixture of paraelectric α-Gd_2-xSm_x(MoO₄)₃ and ferroelectric β′-Gd_2-xSm_x(MoO₄)₃ crystals, indicating the phase transformation from the β′ phase to the α phase during laser irradiation. Homogeneous crystal lines with β′-RE₂(MoO₄)₃ ferroelectrics have not been written in this study, but further research is continuing.

Original language	English
Pages (from-to)	85-93
Number of pages	9
Journal	Journal of Non-Crystalline Solids
Volume	353
Issue number	1
DOIs	https://doi.org/10.1016/j.jnoncrysol.2006.08.050
Publication status	Published - 2007 Jan 1

Keywords

Crystal growth
Crystallization
Non-linear optics
Optical microscopy
Optical properties
Radiation
Raman scattering
Raman spectroscopy
Rare-earths in glasses
X-ray diffraction

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Ceramics and Composites
Condensed Matter Physics
Materials Chemistry

Access to Document

10.1016/j.jnoncrysol.2006.08.050

Fingerprint Dive into the research topics of 'Laser-induced crystallization of β′-RE2(MoO4)3 ferroelectrics (RE: Sm, Gd, Dy) in glasses and their surface morphologies'. Together they form a unique fingerprint.

Cite this

@article{413fb447e12642d3a763d34fd39e1b2e,

title = "Laser-induced crystallization of β′-RE2(MoO4)3 ferroelectrics (RE: Sm, Gd, Dy) in glasses and their surface morphologies",

abstract = "The glasses with the compositions of 21.25RE2O3-63.75MoO3-15B2O3 (RE: Sm, Gd, Dy) were prepared and the formation of β′-RE2(MoO4)3 ferroelectrics was confirmed in the crystallized glasses obtained through a conventional crystallization in an electric furnace. The features of the glass structure and crystallization behavior were clarified from measurements of Raman scattering spectra. Continuous-wave Nd:YAG laser with a wavelength of 1064 nm (laser power: 0.6-0.9 W, laser scanning speed: S = 1-16 μm/s) was irradiated to 10.625Sm2O3-10.625Gd2O3 (or Dy2O3)-63.75MoO3-15B2O3 glasses, and the structural modification was induced at the glass surface. At the scanning speed of S = 10 μm/s, crystal lines consisting of β′-Gd2-xSmx(MoO4)3 or β′-Dy2-xSmx(MoO4)3 crystals were patterned on the glass surface. It was found that those crystal lines have the surface morphology with periodic bumps. At S = 1 μm/s, it was found that crystal lines consist of the mixture of paraelectric α-Gd2-xSmx(MoO4)3 and ferroelectric β′-Gd2-xSmx(MoO4)3 crystals, indicating the phase transformation from the β′ phase to the α phase during laser irradiation. Homogeneous crystal lines with β′-RE2(MoO4)3 ferroelectrics have not been written in this study, but further research is continuing.",

keywords = "Crystal growth, Crystallization, Non-linear optics, Optical microscopy, Optical properties, Radiation, Raman scattering, Raman spectroscopy, Rare-earths in glasses, X-ray diffraction",

author = "R. Nakajima and M. Abe and Y. Benino and T. Fujiwara and Kim, {H. G.} and T. Komatsu",

year = "2007",

month = jan,

day = "1",

doi = "10.1016/j.jnoncrysol.2006.08.050",

language = "English",

volume = "353",

pages = "85--93",

journal = "Journal of Non-Crystalline Solids",

issn = "0022-3093",

publisher = "Elsevier",

number = "1",

}

TY - JOUR

T1 - Laser-induced crystallization of β′-RE2(MoO4)3 ferroelectrics (RE

T2 - Sm, Gd, Dy) in glasses and their surface morphologies

AU - Nakajima, R.

AU - Abe, M.

AU - Benino, Y.

AU - Fujiwara, T.

AU - Kim, H. G.

AU - Komatsu, T.

PY - 2007/1/1

Y1 - 2007/1/1

N2 - The glasses with the compositions of 21.25RE2O3-63.75MoO3-15B2O3 (RE: Sm, Gd, Dy) were prepared and the formation of β′-RE2(MoO4)3 ferroelectrics was confirmed in the crystallized glasses obtained through a conventional crystallization in an electric furnace. The features of the glass structure and crystallization behavior were clarified from measurements of Raman scattering spectra. Continuous-wave Nd:YAG laser with a wavelength of 1064 nm (laser power: 0.6-0.9 W, laser scanning speed: S = 1-16 μm/s) was irradiated to 10.625Sm2O3-10.625Gd2O3 (or Dy2O3)-63.75MoO3-15B2O3 glasses, and the structural modification was induced at the glass surface. At the scanning speed of S = 10 μm/s, crystal lines consisting of β′-Gd2-xSmx(MoO4)3 or β′-Dy2-xSmx(MoO4)3 crystals were patterned on the glass surface. It was found that those crystal lines have the surface morphology with periodic bumps. At S = 1 μm/s, it was found that crystal lines consist of the mixture of paraelectric α-Gd2-xSmx(MoO4)3 and ferroelectric β′-Gd2-xSmx(MoO4)3 crystals, indicating the phase transformation from the β′ phase to the α phase during laser irradiation. Homogeneous crystal lines with β′-RE2(MoO4)3 ferroelectrics have not been written in this study, but further research is continuing.

AB - The glasses with the compositions of 21.25RE2O3-63.75MoO3-15B2O3 (RE: Sm, Gd, Dy) were prepared and the formation of β′-RE2(MoO4)3 ferroelectrics was confirmed in the crystallized glasses obtained through a conventional crystallization in an electric furnace. The features of the glass structure and crystallization behavior were clarified from measurements of Raman scattering spectra. Continuous-wave Nd:YAG laser with a wavelength of 1064 nm (laser power: 0.6-0.9 W, laser scanning speed: S = 1-16 μm/s) was irradiated to 10.625Sm2O3-10.625Gd2O3 (or Dy2O3)-63.75MoO3-15B2O3 glasses, and the structural modification was induced at the glass surface. At the scanning speed of S = 10 μm/s, crystal lines consisting of β′-Gd2-xSmx(MoO4)3 or β′-Dy2-xSmx(MoO4)3 crystals were patterned on the glass surface. It was found that those crystal lines have the surface morphology with periodic bumps. At S = 1 μm/s, it was found that crystal lines consist of the mixture of paraelectric α-Gd2-xSmx(MoO4)3 and ferroelectric β′-Gd2-xSmx(MoO4)3 crystals, indicating the phase transformation from the β′ phase to the α phase during laser irradiation. Homogeneous crystal lines with β′-RE2(MoO4)3 ferroelectrics have not been written in this study, but further research is continuing.

KW - Crystal growth

KW - Crystallization

KW - Non-linear optics

KW - Optical microscopy

KW - Optical properties

KW - Radiation

KW - Raman scattering

KW - Raman spectroscopy

KW - Rare-earths in glasses

KW - X-ray diffraction

UR - http://www.scopus.com/inward/record.url?scp=33845208792&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=33845208792&partnerID=8YFLogxK

U2 - 10.1016/j.jnoncrysol.2006.08.050

DO - 10.1016/j.jnoncrysol.2006.08.050

M3 - Article

AN - SCOPUS:33845208792

VL - 353

SP - 85

EP - 93

JO - Journal of Non-Crystalline Solids

JF - Journal of Non-Crystalline Solids

SN - 0022-3093

IS - 1

ER -