Publications

2025

[29].P. Ngabonziza*, J. D. Denlinger*, A. V. Fedorov, G. Cao, James W. Allen, G. Gebreyesus, and R. M. Martin
     Spin-resolved electronic structure of ferromagnetic triple-layered ruthenate Sr4Ru3O10
     arXiv:2305.07222 (2024).

2024

[28]. P. Ngabonziza ; A. P. Nono Tchiomo;
      Epitaxial films and devices of transparent conducting oxides:La:BaSnO3
      APL Materials 12, 120601 (2024).
      [In the Special Collection on Emerging Leaders in Materials Science]
[27]. S. H. Connell, K. Dollman, G. Kamel, S. A. Khan, E. Mitchell, S. K. Mtingwa, M. C. Newton, P. Ngabonziza, E.
      Nji, L. Norris and M. Zema
      The African Light Source: history, context and future
      Journal of Synchrotron Radiation 31, 1-9 (2024).
[26]. P. Ngabonziza*, A. Sharma, A. Scheid, S. Sajeev, P. A. van Aken, and J. Mannhart
      Magnetotransport Properties of Epitaxial Films and Hall Bar Devices of the Correlated Layered Ruthenate Sr3Ru2O7
      Physical Review Materials 8, 044401 (2024).

2023

[25]. P. Ngabonziza*, J. Park, W. Sigle, P. A. van Aken, J. Mannhart, and D. G. Schlom;
      Employing High-temperature-grown SrZrO3 Buffer to Enhance the Electron Mobility in La:BaSnO3-based Heterostructures
      Applied Physics Letters 122, 241902 (2023). 
      [In the Special Collection on 2023 Rising Stars Collection]
[24]. M. C. Newton, S. H. Connell, E. P. Mitchell, S. K. Mtingwa , P. Ngabonziza, L. Norris , T. Ntsoane and D. A. K. Traore;
      Building a brighter future for Africa with the African Light Source
     Nature Reviews Physics 5, 74 (2023).
[23]. S. Connell, K. C. Cramer, Ed Mitchel, Sekazi K. Mtingwa, P. Ngabonziza*
      Recent Progress Towards an African Light Source
      Book Chapter in Springer Book Series on "Big Science in the 21st Century: Economic and Societal Impacts",
      IOP Publishing, 54-1 to 54-18, 2053 (2023).
[22]. A.-L. Rüland, N. Rüffin, K. Cramer, P. Ngabonziza, M. Saxena, S. Skupien
      Science Diplomacy from the Global South: The Case of Intergovernmental Science Organizations
      Science and Public Policy 00, 1-12 (2023). 

2022

[21].  A. P. Nono Tchiomo, E. Carleschi, Aletta R. E. Prinsloo, W. Sigle, P. A. van Aken, J. Mannhart, P. Ngabonziza*, and 
       B. P. Doyle*
       Combined Spectroscopy and Electrical Characterization of La:BaSnO3 Thin Films and Heterostructures;
       AIP Advances 12 (2022)
       [Editor's Pick in the Special Collection on: 2022 Materials Science]
[20].  P. Ngabonziza*
       Quantum transport and potential of topological states for thermoelectricity in Bi2Te3 thin films;
       Nanotechnology 33, 192001 (2022).
[19]. G. H. Gebreyesus*, P. Ngabonziza*, J. Nagura, S. Nicola, O. Akin-Ojo, and R. M. Martin* 
      Electronic structure and magnetism of the triple-layer ruthenate Sr4Ru3O10;
      Physical Review B 105, 165119 (2022).
[18]. K. Cramer, S. Connell, E. Mitchell, S. Mtingwa, and P. Ngabonziza 
      Science with Ubuntu - The African Light Source project offers a new perspective on research collaboration; 
      Comment in Research Europe, May 12, 2022
[17].  S.Connell, K. C. Cramer, Ed Mitchel, Sekazi K. Mtingwa, P. Ngabonziza* 
       Recent Progress Towards an African Light Source;
       Book Chapter in IOP Ebook Series on ” Big Science in the 21st Century: Economic and Societal Impacts'” 

2021

[16].   P. Ngabonziza, Y. Wang, P. van Aken, J. Maier, and J. Mannhart* 
        Inelastic electron tunneling spectroscopy at high-temperatures;
        Advanced Materials 33, 2007299 (2021)
[15].  P. Ngabonziza, R. Merkle, Y. Wang, P. van Aken J. Maier and J. Mannhart
       2D doping of proton conductors: BaZrO3-based heterostructures
       Advanced Energy Materials 11, 2003267 (2021)

2020

[14].  M. P. Stehno, P. Ngabonziza*, H. Myoren, and A. Brinkman,
       Josephson effect and charge distribution in thin Bi2Te3 topological insulators
       Advanced Materials 32, 1908351 (2020)
[13]. P. Ngabonziza*, E. Carleschi*, V. Zabolotnyy, A. Taleb-Ibrahimi, F. Bertran, R. Fittipaldi, V. Granata, M. Cuoco,
      A. Vecchione, and B. P. Doyle*
      Fermi surface and kink structures in Sr4Ru3O10 revealed by synchrotron-based ARPES
      Scientific Reports 10, 21062 (2020)
[12]. W. Braun, M. Jäger, G. Laskin, P. Ngabonziza, W. Voesch, P. Wittlich, and J. Mannhart
     In-situ thermal preparation of oxide surfaces
     APL Materials 8, 071112 (2020)

2019

[11].  Arnaud. P. Nono Tchiomo, Wolfgang Braun, Bryan P. Doyle, Wilfried Sigle, Peter van Aken, Jochen Mannhart,
       and Prosper Ngabonziza*
       High-temperature-grown buffer layer boosts electron mobility in epitaxial La-doped BaSnO3/SrZrO3 heterostructures
       APL Materials 7, 041119 (2019)
[10].  S. H. Connell, S. K. Mtingwa, S. K. Abdel-Aal, S. Biira, T. D’Almeida, T. Dobbins, N. Khumbah, B. Masara, E.
       P. Mitchell, L. Norris, P. Ngabonziza, T. Ntsoane, A. Wague, and H. Winick
       Towards an African light source
       Biophysical Reviews 11, 499 (2019)
[9].    P. Ngabonziza
        The need for multidisciplinary scientific infrastructures in Africa: The importance of an African lightsource
        Elephant in the Lab. (2019). DOI: https://doi.org/10.5281/zenodo.3515004

2018

[8]. P. Ngabonziza, Y.Wang, and A. Brinkman
     Bulk contribution to magnetotransport properties of low-defect-density Bi2Te3 topological insulator thin films
     Physical Review Material 2, 044204 (2018)
[7].   P. Ngabonziza, M. P. Stehno, G. Koster, and A. Brinkman
        In-situ characterization tools for Bi2Te3 topological insulator nanomaterials
        Book chapter in the Springer book series on "In-situ Characterization Techniques for Nanomaterials". 
        Kumar C. (eds); Springer, Berlin, Heidelberg (2018)

[6].   A. P. Nono Tchiomo, G. Babu-Geetha, E. Carleschi, P. Ngabonziza, and B. P. Doyle
       Surface characterization of clean SrTiO3 (100) substrates by X-ray photoelectron spectroscopy
       Surface Science Spectra 25, 024001 (2018)
[5].  S. H. Connell, S.K. Mtingwa, T. Dobbins, B. Masara, E.P. Mitchell, L. Norris, P. Ngabonziza, 
      T. Ntsoane, M. Sekota, A. Wague, H. Winick, and M. Yousef
      The African light source project
      The African Review of Physics 13, 0019 (2018).

2016

[4].  P. Ngabonziza, M. P. Stehno, H. Myoren, V. A. Neumann, G. Koster, and A. Brinkman
      Gate-tunable transport properties of in-situ capped Bi2Te3 topological insulator thin films.
      Advanced Electronic Material 2, 1600157 (2016)

2015

[3].  P. Ngabonziza, R. Heimbuch, N. de Jong, R. A. Klaassen, M. P. Stehno, M. Snelder, A. Solmaz, S. V. Ramankutty,
      E. Frantzeskakis, E. van Heumen, G. Koster, M. S. Golden, H. J.W. Zandvliet, and A. Brinkman
      In-situ spectroscopy of intrinsic Bi2Te3 topological insulator thin films and impact of extrinsic defects
      Physical Review B 92, 035405 (2015)

2014

[2]. P. Ngabonziza, E. Carleschi and B.P. Doyle
    Signature of electron-phonon correlation in the band structure of Sr4Ru3O10
    Proceeding of the South African Institute for Physics 2012, 153 (2014)
[1]. D. P. Leusink, R.G.J. Smits, P. Ngabonziza, X.L. Wang, S. Wiedmann, U. Zeitler, and A. Brinkman
     Magnetoresistance From Broken Spin Helicity 
     https://doi.org/10.48550/arXiv.1412.4065 (2014)