Laser micro-processing as a tool for constructing insulator-based magnonic crystal

S. Daimon; R. Iguchi; K. Uchida; E. Saitoh

doi:10.1088/0022-3727/48/16/164014

Laser micro-processing as a tool for constructing insulator-based magnonic crystal

S. Daimon, R. Iguchi, K. Uchida, E. Saitoh

IMR - Integrated Research Division

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

8 Citations (Scopus)

Abstract

Y3Fe5O12 (YIG) films with a periodic-antidot-array structure fabricated by laser micro-processing is shown to exhibit clear characteristics of two-dimensional (2D) magnonic crystals. The experimental results demonstrate that the spin-wave-resonance spectra in the YIG films are modulated by the periodic antidot structure. The frequency and lattice-constant dependences of the spectra are well reproduced by a numerical calculation based on magnonic band structures of the 2D magnonic crystals. Since the laser micro-processing is compatible with various thin-film fabrication methods, it can be a powerful tool for constructing magnonic crystals.

Original language	English
Article number	164014
Journal	Journal Physics D: Applied Physics
Volume	48
Issue number	16
DOIs	https://doi.org/10.1088/0022-3727/48/16/164014
Publication status	Published - 2015 Apr 29

Keywords

laser micro-processing
magnonic crystal
microwave spectroscopy

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10.1088/0022-3727/48/16/164014

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title = "Laser micro-processing as a tool for constructing insulator-based magnonic crystal",

abstract = "Y3Fe5O12 (YIG) films with a periodic-antidot-array structure fabricated by laser micro-processing is shown to exhibit clear characteristics of two-dimensional (2D) magnonic crystals. The experimental results demonstrate that the spin-wave-resonance spectra in the YIG films are modulated by the periodic antidot structure. The frequency and lattice-constant dependences of the spectra are well reproduced by a numerical calculation based on magnonic band structures of the 2D magnonic crystals. Since the laser micro-processing is compatible with various thin-film fabrication methods, it can be a powerful tool for constructing magnonic crystals.",

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AU - Daimon, S.

AU - Iguchi, R.

AU - Uchida, K.

AU - Saitoh, E.

PY - 2015/4/29

Y1 - 2015/4/29

N2 - Y3Fe5O12 (YIG) films with a periodic-antidot-array structure fabricated by laser micro-processing is shown to exhibit clear characteristics of two-dimensional (2D) magnonic crystals. The experimental results demonstrate that the spin-wave-resonance spectra in the YIG films are modulated by the periodic antidot structure. The frequency and lattice-constant dependences of the spectra are well reproduced by a numerical calculation based on magnonic band structures of the 2D magnonic crystals. Since the laser micro-processing is compatible with various thin-film fabrication methods, it can be a powerful tool for constructing magnonic crystals.

AB - Y3Fe5O12 (YIG) films with a periodic-antidot-array structure fabricated by laser micro-processing is shown to exhibit clear characteristics of two-dimensional (2D) magnonic crystals. The experimental results demonstrate that the spin-wave-resonance spectra in the YIG films are modulated by the periodic antidot structure. The frequency and lattice-constant dependences of the spectra are well reproduced by a numerical calculation based on magnonic band structures of the 2D magnonic crystals. Since the laser micro-processing is compatible with various thin-film fabrication methods, it can be a powerful tool for constructing magnonic crystals.

KW - laser micro-processing

KW - magnonic crystal

KW - microwave spectroscopy

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Laser micro-processing as a tool for constructing insulator-based magnonic crystal

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Keywords

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