Fabrication of ferromagnetic/semiconductor waveguide structures and application to microwave bandstop filter

W. wu; C. C. Lee; C. S. Tsai; J. su; W. so; J. Yoo; Wen-Kuei Chuang

doi:10.1116/1.1349725

Fabrication of ferromagnetic/semiconductor waveguide structures and application to microwave bandstop filter

W. wu, C. C. Lee, C. S. Tsai, J. su, W. so, J. Yoo, Wen-Kuei Chuang

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

3 Citations (Scopus)

Abstract

We studied the propagation of a microwave signal in Fe/Ag–GaAs waveguide structures. In an ultrahigh frequency ferromagnetic resonance measurement, maximum coupling and thus strong attenuation of the microwave power occur near the ferromagnetic resonance frequency [formula omitted] of Fe film. Magnetostatic wave (MSW)-based microwave devices have been achieved in the form of a bandstop filter utilizing single crystal Fe/Ag structures grown on GaAs (100) substrate. MSW-based microwave devices possess the unique capability of electronically tunable operating carrier frequency via a magnetic field. The peak absorption frequency for an Fe easy axis case has been tuned in a range from 10.6 to 36 GHz. For a hard axis case, the tuning frequency ranges from 8 to 22 GHz. The experimental results show that Fe/Ag–GaAs waveguide structures are very promising systems for use in future microwave magnetoelectronics as they have well-defined magnetic properties, as well as favorable electrical properties.

Original language	English
Pages (from-to)	1758-1762
Number of pages	5
Journal	Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films
Volume	19
Issue number	4
DOIs	https://doi.org/10.1116/1.1349725
Publication status	Published - 2001 Jan 1

All Science Journal Classification (ASJC) codes

Condensed Matter Physics
Surfaces and Interfaces
Surfaces, Coatings and Films

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title = "Fabrication of ferromagnetic/semiconductor waveguide structures and application to microwave bandstop filter",

abstract = "We studied the propagation of a microwave signal in Fe/Ag–GaAs waveguide structures. In an ultrahigh frequency ferromagnetic resonance measurement, maximum coupling and thus strong attenuation of the microwave power occur near the ferromagnetic resonance frequency [formula omitted] of Fe film. Magnetostatic wave (MSW)-based microwave devices have been achieved in the form of a bandstop filter utilizing single crystal Fe/Ag structures grown on GaAs (100) substrate. MSW-based microwave devices possess the unique capability of electronically tunable operating carrier frequency via a magnetic field. The peak absorption frequency for an Fe easy axis case has been tuned in a range from 10.6 to 36 GHz. For a hard axis case, the tuning frequency ranges from 8 to 22 GHz. The experimental results show that Fe/Ag–GaAs waveguide structures are very promising systems for use in future microwave magnetoelectronics as they have well-defined magnetic properties, as well as favorable electrical properties.",

author = "W. wu and Lee, {C. C.} and Tsai, {C. S.} and J. su and W. so and J. Yoo and Wen-Kuei Chuang",

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Fabrication of ferromagnetic/semiconductor waveguide structures and application to microwave bandstop filter. / wu, W.; Lee, C. C.; Tsai, C. S.; su, J.; so, W.; Yoo, J.; Chuang, Wen-Kuei.

In: Journal of Vacuum Science and Technology A: Vacuum, Surfaces and Films, Vol. 19, No. 4, 01.01.2001, p. 1758-1762.

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

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T1 - Fabrication of ferromagnetic/semiconductor waveguide structures and application to microwave bandstop filter

AU - wu, W.

AU - Lee, C. C.

AU - Tsai, C. S.

AU - su, J.

AU - so, W.

AU - Yoo, J.

AU - Chuang, Wen-Kuei

PY - 2001/1/1

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N2 - We studied the propagation of a microwave signal in Fe/Ag–GaAs waveguide structures. In an ultrahigh frequency ferromagnetic resonance measurement, maximum coupling and thus strong attenuation of the microwave power occur near the ferromagnetic resonance frequency [formula omitted] of Fe film. Magnetostatic wave (MSW)-based microwave devices have been achieved in the form of a bandstop filter utilizing single crystal Fe/Ag structures grown on GaAs (100) substrate. MSW-based microwave devices possess the unique capability of electronically tunable operating carrier frequency via a magnetic field. The peak absorption frequency for an Fe easy axis case has been tuned in a range from 10.6 to 36 GHz. For a hard axis case, the tuning frequency ranges from 8 to 22 GHz. The experimental results show that Fe/Ag–GaAs waveguide structures are very promising systems for use in future microwave magnetoelectronics as they have well-defined magnetic properties, as well as favorable electrical properties.

AB - We studied the propagation of a microwave signal in Fe/Ag–GaAs waveguide structures. In an ultrahigh frequency ferromagnetic resonance measurement, maximum coupling and thus strong attenuation of the microwave power occur near the ferromagnetic resonance frequency [formula omitted] of Fe film. Magnetostatic wave (MSW)-based microwave devices have been achieved in the form of a bandstop filter utilizing single crystal Fe/Ag structures grown on GaAs (100) substrate. MSW-based microwave devices possess the unique capability of electronically tunable operating carrier frequency via a magnetic field. The peak absorption frequency for an Fe easy axis case has been tuned in a range from 10.6 to 36 GHz. For a hard axis case, the tuning frequency ranges from 8 to 22 GHz. The experimental results show that Fe/Ag–GaAs waveguide structures are very promising systems for use in future microwave magnetoelectronics as they have well-defined magnetic properties, as well as favorable electrical properties.

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