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Author Chun-Young Oh ♦ Jae-Hee Oh ♦ Taegyung Ko
Sponsorship IEEE Magnetics Society
Source IEEE Xplore Digital Library
Content type Text
Publisher Institute of Electrical and Electronics Engineers, Inc. (IEEE)
File Format PDF
Copyright Year ©1965
Language English
Subject Domain (in DDC) Natural sciences & mathematics ♦ Physics ♦ Electricity & electronics ♦ Technology ♦ Engineering & allied operations ♦ Applied physics
Subject Keyword Microstructure ♦ Transistors ♦ Ultrasonic imaging ♦ Ferrites ♦ Saturation magnetization ♦ Annealing ♦ Magnetic properties ♦ Coercive force ♦ Magnetic films ♦ Thin film sensors
Abstract Magnetite thin films were produced using the ultrasound-enhanced ferrite plating method. The effect of ferrite plating conditions on the microstructure and magnetic properties was investigated. The saturation magnetization (Ms) and the coercive force (Hc) of the magnetic thin films were 465-475 emu/cm/sup 3/ and 60-65 Oe, respectively. Then, the applicability of the magnetite thin films as a CO gas sensor was investigated. The magnetite thin films were annealed in the air to be converted to maghemite ones through oxidation, which manifested CO gas sensitivity. Rair/Rgas=3.5 was obtained in the CO gas sensitivity at the operation temperature of 85/spl deg/C, when the thin films were annealed at 300/spl deg/C.
Description Author affiliation :: Dept. of Ceramic Eng., Inha Univ., Inchon, South Korea
ISSN 00189464
Education Level UG and PG
Learning Resource Type Article
Publisher Date 2002-09-01
Publisher Place U.S.A.
Rights Holder Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Volume Number 38
Issue Number 5
Size (in Bytes) 222.48 kB
Page Count 3
Starting Page 3018
Ending Page 3020

Source: IEEE Xplore Digital Library