Search Results - "Hemmingsson, Carl"

Refine Results
  1. 1

    Development of β-Ga2O3 layers growth on sapphire substrates employing modeling of precursors ratio in halide vapor phase epitaxy reactor by Pozina, Galia, Hsu, Chih-Wei, Abrikossova, Natalia, Kaliteevski, Mikhail A., Hemmingsson, Carl

    Published in Scientific reports (17-12-2020)
    “…Gallium oxide is a promising semiconductor with great potential for efficient power electronics due to its ultra-wide band gap and high breakdown electric…”
    Get full text
    Journal Article
  2. 2

    Fröhlich resonance splitting in hybrid GaN nanowire-Ag nanoparticle structures by Pozina, Galia, Girshova, Elizaveta I, Abrikossova, Natalia, Hemmingsson, Carl, Lähderanta, Erkki, Kaliteevski, Mikhail

    Published in New journal of physics (01-05-2024)
    “…Plasmonic nanoparticles (NPs) have attracted significant attention due to their unique optical properties and broad optoelectronic and photonic applications…”
    Get full text
    Journal Article
  3. 3

    Optimization of low temperature GaN buffer layers for halide vapor phase epitaxy growth of bulk GaN by Hemmingsson, Carl, Pozina, Galia

    Published in Journal of crystal growth (01-03-2013)
    “…We have studied growth and self-separation of bulk GaN on c-oriented Al2O3 using low temperature (LT) GaN buffer layers. By studying the X-ray diffraction…”
    Get full text
    Journal Article
  4. 4

    Plasma-Assisted Halide Vapor Phase Epitaxy for Low Temperature Growth of III-Nitrides by Pozina, Galia, Hsu, Chih-Wei, Abrikossova, Natalia, Hemmingsson, Carl

    Published in Crystals (Basel) (01-03-2023)
    “…Developing growth techniques for the manufacture of wide band gap III-nitrides semiconductors is important for the further improvement of optoelectronic…”
    Get full text
    Journal Article
  5. 5

    Numerical Modelling for the Experimental Improvement of Growth Uniformity in a Halide Vapor Phase Epitaxy Reactor for Manufacturing β-Ga2O3 Layers by Pozina, Galia, Hsu, Chih-Wei, Abrikossova, Natalia, Hemmingsson, Carl

    Published in Crystals (Basel) (01-12-2022)
    “…The development of growth processes for the synthesis of high-quality epitaxial layers is one of the requirements for utilizing the ultrawide band gap…”
    Get full text
    Journal Article
  6. 6

    Effect of Plasmonic Ag Nanoparticles on Emission Properties of Planar GaN Nanowires by Pozina, Galia, Hemmingsson, Carl, Abrikossova, Natalia, Girshova, Elizaveta I, Lähderanta, Erkki, Kaliteevski, Mikhail A

    Published in Nanomaterials (Basel, Switzerland) (20-04-2023)
    “…The combination of plasmonic nanoparticles and semiconductor substrates changes the properties of hybrid structures that can be used for various applications…”
    Get full text
    Journal Article
  7. 7

    Radiation-induced defects in GaN bulk grown by halide vapor phase epitaxy by Duc, Tran Thien, Pozina, Galia, Son, Nguyen Tien, Janzén, Erik, Ohshima, Takeshi, Hemmingsson, Carl

    Published in Applied physics letters (08-09-2014)
    “…Defects induced by electron irradiation in thick free-standing GaN layers grown by halide vapor phase epitaxy were studied by deep level transient…”
    Get full text
    Journal Article
  8. 8

    Optical identification and electronic configuration of tungsten in 4H- and 6H-SiC by Gällström, Andreas, Magnusson, Björn, Beyer, Franziska C., Gali, Adam, Son, N.T., Leone, Stefano, Ivanov, Ivan G., Hemmingsson, Carl G., Henry, Anne, Janzén, Erik

    Published in Physica. B, Condensed matter (15-05-2012)
    “…Several optically observed deep level defects in SiC are still unidentified and little is published on their behavior. One of the commonly observed deep level…”
    Get full text
    Journal Article Conference Proceeding
  9. 9

    Luminescence of Acceptors in Mg-Doped GaN by Monemar, Bo, Khromov, Sergey, Pozina, Galia, Paskov, Plamen, Bergman, Peder, Hemmingsson, Carl, Hultman, Lars, Amano, Hiroshi, Avrutin, Vitaliy, Li, Xing, Morko\{c}, Hadis

    Published in Japanese Journal of Applied Physics (01-08-2013)
    “…Recent photoluminescence (PL) data for Mg-doped GaN at 2 K are discussed, with reference to published theoretical calculations of the electronic level…”
    Get full text
    Journal Article
  10. 10

    Local Structure of Zn Dopant in β‑Phase Ga2O3 by Yoshioka, Satoru, Yasuda, Kazuhiro, Hsiao, Ching-Lien, Hsu, Chih-Wei, Olovsson, Weine, Birch, Jens, Hemmingsson, Carl, Pozina, Galia

    Published in Journal of physical chemistry. C (07-11-2024)
    “…Ga2O3 is a promising ultrawide-bandgap semiconductor for high-voltage and high-power applications, yet achieving reliable p-type electrical conductivity…”
    Get full text
    Journal Article
  11. 11
  12. 12
  13. 13

    Local Structure of Zn Dopant in ß-Phase Ga 2 O 3 by Yoshioka, Satoru, Yasuda, Kazuhiro, Hsiao, Ching-Lien, Hsu, Chih-Wei, Olovsson, Weine, Birch, Jens, Hemmingsson, Carl, Pozina, Galia

    Published in Journal of physical chemistry. C (2024)
    “…Ga2O3 is a promising ultrawide-bandgap semiconductor for high-voltage and high-power applications, yet achieving reliable p-type electrical conductivity…”
    Get full text
    Journal Article
  14. 14

    Doping of β‐Ga2O3 Layers by Zn Using Halide Vapor‐Phase Epitaxy Process by Pozina, Galia, Hsu, Chih-Wei, Abrikossova, Natalia, Hemmingsson, Carl

    “…Development of ultrawide bandgap semiconductor β‐Ga2O3 is important considering its great potential for high‐power high‐voltage electronic applications. Halide…”
    Get full text
    Journal Article
  15. 15

    Optical properties of AlGaN/GaN epitaxial layers grown on different face GaN substrates by Li, Xun, Hemmingsson, Carl, Forsberg, Urban, Janzén, Erik, Pozina, Galia

    Published in Materials letters (15-03-2020)
    “…•The AlGaN/GaN epilayers were grown on both Ga-face and N-face GaN substrates.•TRPL technique was used to compare the optical properties of the samples.•A…”
    Get full text
    Journal Article
  16. 16

    Numerical Modelling for the Experimental Improvement of Growth Uniformity in a Halide Vapor Phase Epitaxy Reactor for Manufacturing β-Ga[sub.2]O[sub.3] Layers by Pozina, Galia, Hsu, Chih-Wei, Abrikossova, Natalia, Hemmingsson, Carl

    Published in Crystals (Basel) (01-12-2022)
    “…The development of growth processes for the synthesis of high-quality epitaxial layers is one of the requirements for utilizing the ultrawide band gap…”
    Get full text
    Journal Article
  17. 17

    Emission properties of Ga2O3 nano-flakes: effect of excitation density by Pozina, G., Forsberg, M., Kaliteevski, M. A., Hemmingsson, C.

    Published in Scientific reports (08-02-2017)
    “…In the quest of developing high performance electronic and optical devices and more cost effective fabrication processes of monoclinic β-Ga 2 O 3 , new growth…”
    Get full text
    Journal Article
  18. 18

    Dynamic properties of excitons in ZnO/AlGaN/GaN hybrid nanostructures by Forsberg, Mathias, Hemmingsson, Carl, Amano, Hiroshi, Pozina, Galia

    Published in Scientific reports (20-01-2015)
    “…Hybrid samples based on ZnO colloidal nanocrystals (NCs) deposited on AlGaN/GaN quantum well (QW) structures with different top barrier thickness d = 3, 6 and…”
    Get full text
    Journal Article
  19. 19

    Emission Properties of GaN Planar Hexagonal Microcavities by Pozina, Galia, Hemmingsson, Carl, Belonovskii, Alexei V., Levitskii, Iaroslav V., Mitrofanov, Maxim I., Girshova, Elizaveta I., Ivanov, Konstantin A., Rodin, Sergey N., Morozov, Konstantin M., Evtikhiev, Vadim P., Kaliteevski, Mikhail A.

    “…Fabrication of microcavities based on III‐nitrides is challenging due to difficulties with the coherent growth of heterostructures having a large number of…”
    Get full text
    Journal Article
  20. 20

    Emission Properties of GaN Planar Hexagonal Microcavities by Pozina, Galia, Hemmingsson, Carl, Belonovskii, Alexei V., Levitskii, Iaroslav V., Mitrofanov, Maxim I., Girshova, Elizaveta I., Ivanov, Konstantin A., Rodin, Sergey N., Morozov, Konstantin M., Evtikhiev, Vadim P., Kaliteevski, Mikhail A.

    “…Planar Hexagonal Microcavities GaN planar hexagonal microcavities are fabricated using a selective area metal‐organic vapor phase epitaxy. The almost ideal…”
    Get full text
    Journal Article