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|Title:||Large low-field magnetoresistance observed in twinned La 2/3Ca 1/3MnO 3thin films epitaxially grown on yttria-stabilized zirconia-buffered silicon on insulator substrates||Authors:||Li, J.
|Issue Date:||14-Mar-2005||Citation:||Li, J., Wang, P., Xiang, J.Y., Zhu, X.H., Peng, W., Chen, Y.F., Zheng, D.N., Li, Z.W. (2005-03-14). Large low-field magnetoresistance observed in twinned La 2/3Ca 1/3MnO 3thin films epitaxially grown on yttria-stabilized zirconia-buffered silicon on insulator substrates. Applied Physics Letters 86 (11) : 1-3. ScholarBank@NUS Repository. https://doi.org/10.1063/1.1875766||Abstract:||La 2/3Ca 1/3MnO 33 thin films have been grown on yttria-stabilized zirconia (YSZ) buffered silicon-on-insulator (SOI) substrates by the pulsed laser deposition technique. While full cube-on-cube epitaxy was achieved for the YSZ layer, the top manganite layer was multioriented in plane, with a coexistence of cube-on-cube and cube-on-diagonal epitaxial structures. Due to a combined influence from the magnetocrystalline, shape, and stain-induced magnetic anisotropy, in zero field and low temperatures the local spin orientation varies across the large-angle grain boundaries. As a result, a quite large low-field magnetoresistance (LFMR) based on spin-dependent tunneling was observed. The film shows a resistance change of ∼20% in a magnetic field||Source Title:||Applied Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/115165||ISSN:||00036951||DOI:||10.1063/1.1875766|
|Appears in Collections:||Staff Publications|
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