Galvanomagnetic properties of 3C-SiC epilayers grown on hexagonal SiC substrates |
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Authors: | A A Lebedev P L Abramov N V Agrinskaya V I Kozub A N Kuznetsov S P Lebedev G A Oganesyan L M Sorokin A V Chernyaev D V Shamshur |
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Affiliation: | (1) Ioffe Physicotechnical Institute, Russian Academy of Sciences, St. Petersburg, 194021, Russia |
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Abstract: | Epitaxial 3C-SiC films have been grown on 6H-SiC substrates by sublimation epitaxy in vacuum. The Hall effect in these heterostructures and their magnetoresistance have been measured in a temperature range from 1.4 to 300 K. At liquid-helium temperatures, the samples are characterized by low resistance and exhibit negative magnetoresistance in weak fields (~1 T). Analysis of the experimental results suggests that the low resistance of samples is most probably due to the metal-insulator transition in the epitaxial 3C-SiC films. |
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