Low-field magnetoresistance in sol-gel derived La sub(2/3)Sr sub(1/3)MnO sub(3- delta ) thick films

Low-field magnetoresistance in sol-gel derived La sub(2/3)Sr sub(1/3)MnO sub(3- delta ) thick films

Thick films of La sub(2/3)Sr sub(1/3)MnO sub(3- delta ) were fabricated on thermally oxidized Si(1 0 0) and polycrystalline aluminum oxide by a screen printing method. The maximum low-field magnetoresistence (MR) ratio, 0.68%, was obtained at 300 K for the sample which was sintered at 1100 degree C,...

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Veröffentlicht in:Journal of magnetism and magnetic materials 2002-04, Vol.242-245, p.1169-1171
Hauptverfasser: Shim, In-Bo, Lee, Hi Min, Park, Key Taeck, Lee, Bo Wha, Kim, Chul Sung
Format: Artikel
Sprache:eng
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Zusammenfassung:Thick films of La sub(2/3)Sr sub(1/3)MnO sub(3- delta ) were fabricated on thermally oxidized Si(1 0 0) and polycrystalline aluminum oxide by a screen printing method. The maximum low-field magnetoresistence (MR) ratio, 0.68%, was obtained at 300 K for the sample which was sintered at 1100 degree C, that is an MR ratio of 0.0015%/Oe in the 450 Oe field region. We propose that this MR ratio is enough to fabricate device, which can be used as a low-cost magnetic sensor. copyright 2002 Elsevier Science B.V. All rights reserved.
ISSN:0304-8853