Formation of LiNbO3 crystals at the surface of TeO2 -based glass by YAG laser-induced crystallization

H. Sugita; T. Honma; Y. Benino; T. Komatsu

doi:10.1016/j.ssc.2007.06.002

Formation of LiNbO₃ crystals at the surface of TeO₂ -based glass by YAG laser-induced crystallization

H. Sugita, T. Honma, Y. Benino, T. Komatsu

Research output: Contribution to journal › Article

29 Citations (Scopus)

Abstract

Lithium niobate LiNbO₃ crystals were formed at the surface of CuO (1 mol%)-doped 25Li₂O-25Nb₂O₅-50TeO₂ glass (mol%) by heat-assisted (150 ^{{ring operator}}C) continuous-wave Nd:YAG laser irradiations with a wavelength of λ=1064 nm. Nd:YAG laser energies absorbed by Cu²⁺ ions (d-d transitions) were converted to the lattice vibrations of surrounding Cu²⁺ ions (nonradiative relaxations), giving the increase in the temperature of the laser irradiated local region. The formation of LiNbO₃ crystals was confirmed from micro-Raman scattering spectra. For the line patterned by a laser scanning with a power of 0.59 W and a speed of 6 μm/s, the possibility of a c-axis orientation of LiNbO₃ crystals along the laser scanning direction was proposed. The present study demonstrates that the combination of Cu²⁺ and Nd:YAG laser with λ=1064 nm, i.e. transition metal atom heat processing, is effective in inducting LiNbO₃ crystals in TeO₂-based glasses.

Original language	English
Pages (from-to)	280-284
Number of pages	5
Journal	Solid State Communications
Volume	143
Issue number	6-7
DOIs	https://doi.org/10.1016/j.ssc.2007.06.002
Publication status	Published - Aug 1 2007
Externally published	Yes

Keywords

A. LiNbO
B. Laser processing
C. Raman scattering spectrum
D. Phase transitions

ASJC Scopus subject areas

Chemistry(all)
Condensed Matter Physics
Materials Chemistry

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Sugita, H., Honma, T., Benino, Y., & Komatsu, T. (2007). Formation of LiNbO₃ crystals at the surface of TeO₂ -based glass by YAG laser-induced crystallization. Solid State Communications, 143(6-7), 280-284. https://doi.org/10.1016/j.ssc.2007.06.002

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title = "Formation of LiNbO3 crystals at the surface of TeO2 -based glass by YAG laser-induced crystallization",

abstract = "Lithium niobate LiNbO3 crystals were formed at the surface of CuO (1 mol%)-doped 25Li2O-25Nb2O5-50TeO2 glass (mol%) by heat-assisted (150 {ring operator}C) continuous-wave Nd:YAG laser irradiations with a wavelength of λ=1064 nm. Nd:YAG laser energies absorbed by Cu2+ ions (d-d transitions) were converted to the lattice vibrations of surrounding Cu2+ ions (nonradiative relaxations), giving the increase in the temperature of the laser irradiated local region. The formation of LiNbO3 crystals was confirmed from micro-Raman scattering spectra. For the line patterned by a laser scanning with a power of 0.59 W and a speed of 6 μm/s, the possibility of a c-axis orientation of LiNbO3 crystals along the laser scanning direction was proposed. The present study demonstrates that the combination of Cu2+ and Nd:YAG laser with λ=1064 nm, i.e. transition metal atom heat processing, is effective in inducting LiNbO3 crystals in TeO2-based glasses.",

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author = "H. Sugita and T. Honma and Y. Benino and T. Komatsu",

year = "2007",

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doi = "10.1016/j.ssc.2007.06.002",

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T1 - Formation of LiNbO3 crystals at the surface of TeO2 -based glass by YAG laser-induced crystallization

AU - Sugita, H.

AU - Honma, T.

AU - Benino, Y.

AU - Komatsu, T.

PY - 2007/8/1

Y1 - 2007/8/1

N2 - Lithium niobate LiNbO3 crystals were formed at the surface of CuO (1 mol%)-doped 25Li2O-25Nb2O5-50TeO2 glass (mol%) by heat-assisted (150 {ring operator}C) continuous-wave Nd:YAG laser irradiations with a wavelength of λ=1064 nm. Nd:YAG laser energies absorbed by Cu2+ ions (d-d transitions) were converted to the lattice vibrations of surrounding Cu2+ ions (nonradiative relaxations), giving the increase in the temperature of the laser irradiated local region. The formation of LiNbO3 crystals was confirmed from micro-Raman scattering spectra. For the line patterned by a laser scanning with a power of 0.59 W and a speed of 6 μm/s, the possibility of a c-axis orientation of LiNbO3 crystals along the laser scanning direction was proposed. The present study demonstrates that the combination of Cu2+ and Nd:YAG laser with λ=1064 nm, i.e. transition metal atom heat processing, is effective in inducting LiNbO3 crystals in TeO2-based glasses.

AB - Lithium niobate LiNbO3 crystals were formed at the surface of CuO (1 mol%)-doped 25Li2O-25Nb2O5-50TeO2 glass (mol%) by heat-assisted (150 {ring operator}C) continuous-wave Nd:YAG laser irradiations with a wavelength of λ=1064 nm. Nd:YAG laser energies absorbed by Cu2+ ions (d-d transitions) were converted to the lattice vibrations of surrounding Cu2+ ions (nonradiative relaxations), giving the increase in the temperature of the laser irradiated local region. The formation of LiNbO3 crystals was confirmed from micro-Raman scattering spectra. For the line patterned by a laser scanning with a power of 0.59 W and a speed of 6 μm/s, the possibility of a c-axis orientation of LiNbO3 crystals along the laser scanning direction was proposed. The present study demonstrates that the combination of Cu2+ and Nd:YAG laser with λ=1064 nm, i.e. transition metal atom heat processing, is effective in inducting LiNbO3 crystals in TeO2-based glasses.

KW - A. LiNbO

KW - B. Laser processing

KW - C. Raman scattering spectrum

KW - D. Phase transitions

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