NDLI: Dual H-and E-field tunable multiferroic bandpass filters with yttrium iron garnet film

Content Provider	IEEE Xplore Digital Library
Author	Guo-Min Yang Jing Lou Jing Wu Ming Liu Geyi Wen Yaqiu Jin Sun, N.X.
Copyright Year	2011
Description	Author affiliation: Key Laboratory of Wave Scattering and Remote Sensing Information, Department of Communication Science and Engineering, Fudan University, Shanghai 200433, China (Guo-Min Yang; Geyi Wen; Yaqiu Jin) \|\| Department of Electrical and Computer Engineering, Northeastern University, Boston, MA 02115, USA. (Jing Lou; Jing Wu; Ming Liu; Sun, N.X.)
Abstract	A new type of dual magnetically (H-field) and electrically (E-field) tunable bandpass filters (BPF) with an yttrium iron garnet (YIG) film and with a YIG/ PZN-PT (lead zinc niobate-lead titanate) multiferroic heterostructure have been designed, fabricated and characterized. Single-crystal YIG films at their ferromagnetic resonance were adopted as the resonator which was coupled to a T-shaped microstrip coupling structure to form a new bandpass filter design. The operating frequency of the BPF can be tuned via a bias magnetic field, and a large tunability of the operation frequency of 190 MHz ∼ 840 MHz with relatively small bias field of 50 ∼ 250 Oe, together with a low insertion loss of < 2 dB. This is equivalent to 12% ∼ 54% of the center frequency of the bandpass filter. A clear E-field induced operation frequency shift of 200 MHz, or ∼10% was demonstrated on the multiferroics based bandpass filter having a YIG/PZN-PT heterostructure. These demonstrated new multiferroic tunable bandpass filters with dual H- and E-field tunability are very compact and energy efficient, which could have many applications in RF front and other microwave circuits.
Starting Page	1
Ending Page	4
File Size	714161
Page Count	4
File Format	PDF
ISBN	9781612847542
ISSN	0149645X
e-ISBN	9781612847573
e-ISBN	9781612847566
DOI	10.1109/MWSYM.2011.5972897
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-05
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Band pass filters Magnetic resonance Microwave filters Magnetic separation Films Microwave circuits ferromagnetic resonance Tunable bandpass filter (T-BPF) YIG multiferroic
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electrical and Electronic Engineering Radiation

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