Robert Gunnarsson

Visar 31 publikationer

2014

Ablation replacement of iron with Co, Mn, Ni, and Cu during growth of iron-based superconductor films in the Fe-0.9 M Se-0.1(0.92) system

Evgeni Stepantsov, S. M. Kazakov, V. V. Belikov et al
Crystallography Reports. Vol. 59 (5), p. 739-743
Artikel i vetenskaplig tidskrift
2013

Magnetic anisotropy in strained manganite films and bicrystal junctions

V. V. Demidov, Gennady Ovsyannikov, A. M. Petrzhik et al
Journal of Applied Physics. Vol. 113 (16)
Artikel i vetenskaplig tidskrift
2013

Investigation into the growth and structure of thin-film solid solutions of iron-based superconductors in the FeSe0.92-FeSe0.5Te0.5 system

Evgeni Stepantsov, S. M. Kazakov, V. V. Belikov et al
Crystallography Reports. Vol. 58 (5), p. 735-738
Artikel i vetenskaplig tidskrift
2012

Electrical and structural properties of ABO3/SrTiO3 interfaces

Alexei Kalaboukhov, Tord Claeson, Pier Paolo Aurino et al
Materials Research Society Symposium Proceedings. Vol. 1454, p. 167-172
Paper i proceeding
2012

Anisotropic spin-orbit interaction revealed by in-plane magnetoresistance in single-oriented SrRuO3 thin films

Robert Gunnarsson
Physical Review B - Condensed Matter and Materials Physics. Vol. 85 (23), p. 235409-
Artikel i vetenskaplig tidskrift
2012

Inhomogeneous Microstructure and Electrical Transport Properties at the LaAlO3/SrTiO3 Interface

Alexei Kalaboukhov, Tord Claeson, Pier Paolo Aurino et al
Japanese Journal of Applied Physics. Vol. 51 (11(spec.issue)), p. article no. 11PG10 -
Artikel i vetenskaplig tidskrift
2010

Kelvin Probe Force Microscopy Study of LaAlO3/SrTiO3 Heterointerfaces

Vladimir Popok, Alexei Kalaboukhov, Robert Gunnarsson et al
Journal of Advanced Microscopy Research. Vol. 5 (1), p. 26-30
Artikel i vetenskaplig tidskrift
2010

Tunneling and charging effects in discontinuous superparamagnetic Ni81Fe19/Al2O3 multilayers

Rimantas Brucas, Maj Hanson, Peter Apell et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 81 (22), p. 224437-
Artikel i vetenskaplig tidskrift
2010

Two-component heat diffusion observed in LaMnO3 and La0.7Ca0.3MnO3

Johan Bielecki, Ralf Rauer, Ezio Zanghellini et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 81 (6), p. art. no. 064434-
Artikel i vetenskaplig tidskrift
2009

Cationic Disorder and Phase Segregation in LaAlO3/SrTiO3 Heterointerfaces Evidenced by Medium-Energy Ion Spectroscopy

Alexei Kalaboukhov, Iouri Boikov, Vladimir Popok et al
Physical Review Letters. Vol. 103 (14), p. 146101-
Artikel i vetenskaplig tidskrift
2009

Evaluation of recipes for obtaining single terminated perovskite oxide substrates

Robert Gunnarsson, Alexei Kalaboukhov, Dag Winkler
Surface Science. Vol. 603 (1), p. 151-157
Artikel i vetenskaplig tidskrift
2008

Effect of various deposition conditions on the electrical properties of LAO/STO hetero interfaces

Alexei Kalaboukhov, Robert Gunnarsson, Johan Börjesson et al
Journal of Physics: Conference Series. Vol. 100 (Part 8), p. (No. 082039)-
Paper i proceeding
2007

Effect of oxygen vacancies in the SrTiO3 substrate on the electrical properties of the LaAlO3/SrTiO3 interface

Alexei Kalaboukhov, Robert Gunnarsson, Johan Börjesson et al
Physical Review B - Condensed Matter and Materials Physics. Vol. 75 (12), p. 121404R-
Artikel i vetenskaplig tidskrift
2007

Magnetic and transport properties of Ni81Fe19/Al2O3 granular multilayers approaching the superparamagnetic limit

Rimantas Brucas, Maj Hanson, Robert Gunnarsson et al
Journal of Applied Physics. Vol. 101, p. 073907-
Artikel i vetenskaplig tidskrift
2006

Magnetization reversal processes in magnetic bicrystal junctions

Robert Gunnarsson, Maj Hanson
Phys. Rev. B. Vol. 73, p. 014435-
Artikel i vetenskaplig tidskrift
2005

Magnetoresistance in bicrystal grain-boundary junctions analyzed within the Stoner-Wohlfarth model

Robert Gunnarsson, Maj Hanson, Catherine Dubourdieu
Journal of Magnetism and Magnetic Materials. Vol. 290-291 (part 1), p. 761-763
Artikel i vetenskaplig tidskrift
2005

Magnetization processes revealed by in-plane dc magnetoresistance measurements on manganite bicrystal thin film devices

Robert Gunnarsson, Tord Claeson, Maj Hanson
Realizing Controllable Quantum States, Ed. by Takayanagi, H. , Nitta, J., p. 389- 394
Kapitel i bok
2004

Artificial grain boundaries in La0.67Sr0.33MnO3 thin films

Tomas Liljenfors, Robert Gunnarsson, Zdravko Ivanov et al
13th European Microscopy Congress (EMC)
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2004

Active Defects in La0.67Sr0.33MnO3 Thin Films

Tomas Liljenfors, Robert Gunnarsson, Eva Olsson
MRS fall meeting. Vol. H8.49
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2004

Fabrication and characterisation of La0.67Sr0.33MnO3 submicron grain boundary junctions

Robert Gunnarsson, Serge Charlebois, Tomas Liljenfors et al
Annalen der Physik (Leipzig). Vol. 13 (1-2), p. 101-102
Paper i proceeding
2004

Low-field magnetoresistance in perovskite manganites: Magnetic field, temperature, and current dependence

Robert Gunnarsson, Zdravko G. Ivanov, Catherine Dubourdieu et al
Physical Review B. Vol. 69 (5), p. 054413-
Artikel i vetenskaplig tidskrift
2004

Final state effects in the X-ray absorption spectra of La0.7Sr0.3MnO3

Ola Wessely, Pierre Roy, Daniel Åberg et al
Journal of Magnetism and Magnetic Materials. Vol. 272-276 (part 3), p. 1780-1781
Paper i proceeding
2004

Stoner-Wohlfarth model applied to bicrystal magnetoresistance hysteresis

Robert Gunnarsson, Maj Hanson, Catherine Dubourdieu
Journal of Applied Physics. Vol. 96 (1), p. 482-485
Artikel i vetenskaplig tidskrift
2004

Strain-enhanced phase separation affecting electro- and magnetotransport in La0.67Ca0.33MnO3 films

Iouri Boikov, Robert Gunnarsson, Tord Claeson
Journal of Applied Physics. Vol. 96 (1), p. 435-442
Artikel i vetenskaplig tidskrift
2004

Interface magnetic properties of La0.7Sr0.3MnO3 thin films

Pierre Roy, Cecilia Andersson, Robert Gunnarsson et al
Journal of Magnetism and Magnetic Materials. Vol. 272-276 (Part 2), p. 1207-1209
Paper i proceeding
2004

The microstructure of La0.67Sr0.33MnO3 grain boundaries on SrTiO3 bicrystal substrates

Tomas Liljenfors, Robert Gunnarsson, Zdravko Ivanov et al
Annalen der Physik (Leipzig). Vol. 13, p. 83-84
Paper i proceeding
2004

Misorientation angle dependence of bicrystal magnetoresistance within the model of coherent rotation

Robert Gunnarsson, Maj Hanson
Journal of Physics: Condensed Matter. Vol. 16 (21), p. 3761-3768
Artikel i vetenskaplig tidskrift
2004

The Grain Boundary Microstructure of epitaxial La1-xSrxMnO3 (x=1/3) Films on SrTiO3 Bicrystal Substrates

Tomas Liljenfors, Robert Gunnarsson, Zdravko Ivanov et al
Microscopy and Microanalysis Conference, August 2004, Savannah USA
Konferensbidrag (offentliggjort, men ej förlagsutgivet)
2003

Correlation between microstructure, DC resistivity and magnetoresistance of SrRuO3 films

Khaled Khamchane, Zdravko Ivanov, Robert Gunnarsson et al
Materials Research Society Symposium - Proceedings,. Vol. 751, p. 67-71
Paper i proceeding
2003

Grain Boundary Microstructure of La0.67Sr0.33MnO3 thin films grown on SrTiO3 Bicrystal

Tomas Liljenfors, Robert Gunnarsson, Zdravko Ivanov et al
SCANDEM 2003, Oslo, Norway
Konferensbidrag (offentliggjort, men ej förlagsutgivet)

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