Print Email Facebook Twitter Balanced electron-hole transport in spin-orbit semimetal SrIrO 3 heterostructures Title Balanced electron-hole transport in spin-orbit semimetal SrIrO 3 heterostructures Author Manca, N. (TU Delft QN/Caviglia Lab; Kavli institute of nanoscience Delft) Groenendijk, D.J. (TU Delft QN/Caviglia Lab; Kavli institute of nanoscience Delft) Pallecchi, Ilaria (University of Genova) Autieri, Carmine (CNR-SPIN Genova) Tang, Lucas M.K. (Radboud Universiteit Nijmegen) Telesio, Francesca (University of Genova) Mattoni, G. (TU Delft QN/Caviglia Lab; Kavli institute of nanoscience Delft) McCollam, Alix (Radboud Universiteit Nijmegen) Picozzi, Silvia (CNR-SPIN Genova) Caviglia, A. (TU Delft QN/Caviglia Lab; Kavli institute of nanoscience Delft) Date 2018 Abstract Relating the band structure of correlated semimetals to their transport properties is a complex and often open issue. The partial occupation of numerous electron and hole bands can result in properties that are seemingly in contrast with one another, complicating the extraction of the transport coefficients of different bands. The 5d oxide SrIrO3 hosts parabolic bands of heavy holes and light electrons in gapped Dirac cones due to the interplay between electron-electron interactions and spin-orbit coupling. We present a multifold approach relying on different experimental techniques and theoretical calculations to disentangle its complex electronic properties. By combining magnetotransport and thermoelectric measurements in a field-effect geometry with first-principles calculations, we quantitatively determine the transport coefficients of different conduction channels. Despite their different dispersion relationships, electrons and holes are found to have strikingly similar transport coefficients, yielding a holelike response under field-effect and thermoelectric measurements and a linear electronlike Hall effect up to 33 T. To reference this document use: http://resolver.tudelft.nl/uuid:c76a9c63-e29d-4108-8ab6-2df8a3f8aaa5 DOI https://doi.org/10.1103/PhysRevB.97.081105 ISSN 2469-9950 Source Physical Review B, 97 (8) Part of collection Institutional Repository Document type journal article Rights © 2018 N. Manca, D.J. Groenendijk, Ilaria Pallecchi, Carmine Autieri, Lucas M.K. Tang, Francesca Telesio, G. Mattoni, Alix McCollam, Silvia Picozzi, A. Caviglia Files PDF PhysRevB.97.081105.pdf 1.16 MB Close viewer /islandora/object/uuid:c76a9c63-e29d-4108-8ab6-2df8a3f8aaa5/datastream/OBJ/view