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Electrical resistivity and metal-nonmetal transition in n -type doped 4H-SiC
Ferreira Da Silva, A., Instituto de Fisica, Universidade Federal da Bahia, Campus Ondina, 40210-340 Salvador, BA, Brazil.
Laboratoire d'Etudes des Propriétés Electroniques des Solides (CNRS), 25 avenue des Martyrs, 38042 Grenoble Cedex 9, France, Université Joseph Fourier, BP 53, 38041 Grenoble Cedex 9, France.
Groupe d'Etude des Semiconducteurs, UM2-CNRS (UMR 5650), cc074, 34095 Montpellier, Cedex 5, France.
Linköping University, The Institute of Technology. Linköping University, Department of Physics, Chemistry and Biology, Theoretical Physics .ORCID iD: 0000-0002-6281-868X
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2006 (English)In: Physical Review B. Condensed Matter and Materials Physics, ISSN 1098-0121, E-ISSN 1550-235X, Vol. 74, no 24, 245201- p.Article in journal (Refereed) Published
Abstract [en]

The electrical resistivity of 4H-SiC doped with nitrogen is analyzed in the temperature range 10- 700 K for nitrogen concentrations between 3.5× 1015 and 5× 1019 cm-3. For the highest doped samples, a good agreement is found between the experimental resistivity and the values calculated from a generalized Drude approach at similar dopant concentration and temperature. From these results, the critical concentration (Nc) of nitrogen impurities which corresponds to the metal-nonmetal transition in 4H-SiC is deduced. We find Nc ~ 1019 cm-3. © 2006 The American Physical Society.

Place, publisher, year, edition, pages
2006. Vol. 74, no 24, 245201- p.
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Engineering and Technology
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URN: urn:nbn:se:liu:diva-50038DOI: 10.1103/PhysRevB.74.245201OAI: oai:DiVA.org:liu-50038DiVA: diva2:270934
Note
Original Publication: Da Silva A. Ferreira, J. Pernot, S. Contreras, Bo Sernelius, C. Persson and J. Camassel, Electrical resistivity and metal-nonmetal transition in n -type doped 4H-SiC, 2006, Physical Review B. Condensed Matter and Materials Physics, (74), 24, 245201. http://dx.doi.org/10.1103/PhysRevB.74.245201 Copyright: American Physical Society http://www.aps.org/ Available from: 2009-10-11 Created: 2009-10-11 Last updated: 2017-12-12

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