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A Study on the Electromagnetic Properties of $La_{1-x}Ca_xMnO_3$(x=0.33) grown by Floating Zone Method  

정준기 (경상대학교 공학연구원)
송규정 (한국전기연구원)
조남희 (인하대학교)
김철진 (경상대학교 공학연구원)
Publication Information
Korean Journal of Crystallography / v.13, no.1, 2002 , pp. 41-47 More about this Journal
Abstract
La/sub 1-x/Ca/sub x/MnO₃ manganese oxide were grown using the floating zone image furnace with halogen lamps as heat source. The growth condition was 4∼6 mm/hr growth rate in air atmosphere, 45∼50 rpm and 20∼25 rpm of rotation rate of feedrod and growing crystal, respectively. Characterization analyses of the crystal were carried out using XRD, SEM, and EPMA. Orientation of crystal was determined using EBSD. The electromagnetic properties were measured with Quantum Design PPMS by 4 point probe method and resulted MR value of 462% at 215 K.
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