Selective-area growth of magnetic garnet crystals by liquid-phase epitaxy and its application to waveguide devices

Hideki Yokoi; Tetsuya Mizumoto; Tomoaki Takano

doi:10.1143/jjap.38.4847

Selective-area growth of magnetic garnet crystals by liquid-phase epitaxy and its application to waveguide devices

Hideki Yokoi, Tetsuya Mizumoto, Tomoaki Takano

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

Abstract

Magnetic garnet layers with the composition of (LuNdBi)₃(FeAl)₅O₁₂ have been grown on (111)-oriented Gd₃Ga₅O₁₂ (GGG) substrates, which are patterned with stripes of different widths using a Ti mask, by liquid-phase epitaxy to fabricate one-step grown magnetic garnet waveguides. The garnet layers were investigated by scanning electron microscopy, X-ray diffraction measurements, energy-dispersive X-ray analysis and reflection high-energy electron diffraction. The layers grown on Ti-masked regions had a coarse and uneven surface, which is attributed to the damage in the surface of GGG substrates during the growth. The waveguiding experiment indicated that the light waves could be guided within the waveguide with a propagation loss of approximately 0.7 dB/mm.

Original language	English
Pages (from-to)	4847-4851
Number of pages	5
Journal	Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers
Volume	38
Issue number	8 B
DOIs	https://doi.org/10.1143/jjap.38.4847
Publication status	Published - 1999 Aug 15
Externally published	Yes

Keywords

EDX
Liquid-phase epitaxy
Magnetic garnets
RHEED
SEM
Selective-area growth
XRD

ASJC Scopus subject areas

Engineering(all)
Physics and Astronomy(all)

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10.1143/jjap.38.4847

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Selective-area growth of magnetic garnet crystals by liquid-phase epitaxy and its application to waveguide devices. / Yokoi, Hideki; Mizumoto, Tetsuya; Takano, Tomoaki.
In: Japanese Journal of Applied Physics, Part 1: Regular Papers and Short Notes and Review Papers, Vol. 38, No. 8 B, 15.08.1999, p. 4847-4851.

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

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title = "Selective-area growth of magnetic garnet crystals by liquid-phase epitaxy and its application to waveguide devices",

abstract = "Magnetic garnet layers with the composition of (LuNdBi)3(FeAl)5O12 have been grown on (111)-oriented Gd3Ga5O12 (GGG) substrates, which are patterned with stripes of different widths using a Ti mask, by liquid-phase epitaxy to fabricate one-step grown magnetic garnet waveguides. The garnet layers were investigated by scanning electron microscopy, X-ray diffraction measurements, energy-dispersive X-ray analysis and reflection high-energy electron diffraction. The layers grown on Ti-masked regions had a coarse and uneven surface, which is attributed to the damage in the surface of GGG substrates during the growth. The waveguiding experiment indicated that the light waves could be guided within the waveguide with a propagation loss of approximately 0.7 dB/mm.",

keywords = "EDX, Liquid-phase epitaxy, Magnetic garnets, RHEED, SEM, Selective-area growth, XRD",

author = "Hideki Yokoi and Tetsuya Mizumoto and Tomoaki Takano",

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doi = "10.1143/jjap.38.4847",

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AU - Mizumoto, Tetsuya

AU - Takano, Tomoaki

PY - 1999/8/15

Y1 - 1999/8/15

N2 - Magnetic garnet layers with the composition of (LuNdBi)3(FeAl)5O12 have been grown on (111)-oriented Gd3Ga5O12 (GGG) substrates, which are patterned with stripes of different widths using a Ti mask, by liquid-phase epitaxy to fabricate one-step grown magnetic garnet waveguides. The garnet layers were investigated by scanning electron microscopy, X-ray diffraction measurements, energy-dispersive X-ray analysis and reflection high-energy electron diffraction. The layers grown on Ti-masked regions had a coarse and uneven surface, which is attributed to the damage in the surface of GGG substrates during the growth. The waveguiding experiment indicated that the light waves could be guided within the waveguide with a propagation loss of approximately 0.7 dB/mm.

AB - Magnetic garnet layers with the composition of (LuNdBi)3(FeAl)5O12 have been grown on (111)-oriented Gd3Ga5O12 (GGG) substrates, which are patterned with stripes of different widths using a Ti mask, by liquid-phase epitaxy to fabricate one-step grown magnetic garnet waveguides. The garnet layers were investigated by scanning electron microscopy, X-ray diffraction measurements, energy-dispersive X-ray analysis and reflection high-energy electron diffraction. The layers grown on Ti-masked regions had a coarse and uneven surface, which is attributed to the damage in the surface of GGG substrates during the growth. The waveguiding experiment indicated that the light waves could be guided within the waveguide with a propagation loss of approximately 0.7 dB/mm.

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Selective-area growth of magnetic garnet crystals by liquid-phase epitaxy and its application to waveguide devices

Abstract

Keywords

ASJC Scopus subject areas

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