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  • Wu, Phillip M.Division of Solid State Physics and the Nanometer Structure Consortium (NmC at LU), Lund University, P.O. Box 118, 221 00 Lund, Sweden (author)

Thermoelectric Characterization of Electronic Properties of GaMnAs Nanowires

  • Article/chapterEnglish2012

Publisher, publication year, extent ...

  • New York :Hindawi Publishing Corporation,2012
  • electronicrdacarrier

Numbers

  • LIBRIS-ID:oai:DiVA.org:hh-19650
  • https://urn.kb.se/resolve?urn=urn:nbn:se:hh:diva-19650URI
  • https://doi.org/10.1155/2012/480813DOI
  • https://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-28093URI

Supplementary language notes

  • Language:English
  • Summary in:English

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  • Subject category:ref swepub-contenttype
  • Subject category:art swepub-publicationtype

Notes

  • Nanowires with magnetic doping centers are an exciting candidate for the study of spin physics and proof-of-principle spintronics devices. The required heavy doping can be expected to have a significant impact on the nanowires' electron transport properties. Here, we use thermopower and conductance measurements for transport characterization of Ga 0.95Mn 0.05As nanowires over a broad temperature range. We determine the carrier type (holes) and concentration and find a sharp increase of the thermopower below temperatures of 120 K that can be qualitatively described by a hopping conduction model. However, the unusually large thermopower suggests that additional mechanisms must be considered as well. © 2012 Phillip M. Wu et al.

Subject headings and genre

Added entries (persons, corporate bodies, meetings, titles ...)

  • Paschoal Jr., Waldomiro,1977-Högskolan i Halmstad,Halmstad Embedded and Intelligent Systems Research (EIS),Lund University(Swepub:hh)walpas (author)
  • Kumar, SandeepDivision of Solid State Physics and the Nanometer Structure Consortium (NmC at LU), Lund University, P.O. Box 118, 221 00 Lund, Sweden (author)
  • Borschel, ChristianInstitute for Solid State Physics, Jena University, Max-Wien-Platz 1, 07743 Jena, Germany (author)
  • Ronning, CarstenInstitute for Solid State Physics, Jena University, Max-Wien-Platz 1, 07743 Jena, Germany (author)
  • Canali, Carlo M.Linnéuniversitetet,Institutionen för datavetenskap, fysik och matematik, DFM,Division of Physics, School of Computer Science, Linnæus University, 39233 Kalmar, Sweden(Swepub:lnu)tcico (author)
  • Samuelson, LarsDivision of Solid State Physics and the Nanometer Structure Consortium (NmC at LU), Lund University, P.O. Box 118, 221 00 Lund, Sweden (author)
  • Pettersson, Håkan,1962-Högskolan i Halmstad,Halmstad Embedded and Intelligent Systems Research (EIS),Halmstad University(Swepub:hh)hape (author)
  • Linke, HeinerDivision of Solid State Physics and the Nanometer Structure Consortium (NmC at LU), Lund University, P.O. Box 118, 221 00 Lund, Sweden (author)
  • Division of Solid State Physics and the Nanometer Structure Consortium (NmC at LU), Lund University, P.O. Box 118, 221 00 Lund, SwedenHalmstad Embedded and Intelligent Systems Research (EIS) (creator_code:org_t)

Related titles

  • In:Journal of NanotechnologyNew York : Hindawi Publishing Corporation20121687-95031687-9511

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