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Materials Science

D-Index
93
Citations
34992
World Ranking
1442
National Ranking
78

Physics

D-Index
99
Citations
41499
World Ranking
1695
National Ranking
891

Overview

Axel Hoffmann is affiliated with the Technical University of Berlin in Germany. Their research spans primarily across the fields of Materials Science, Physics and Astronomy, and Engineering. Within these broad fields, Hoffmann has contributed extensively to several subfields including Materials Chemistry, Condensed Matter Physics, Electrical and Electronic Engineering, Atomic and Molecular Physics and Optics, as well as Electronic, Optical and Magnetic Materials.

The research topics that Hoffman has focused on include GaN-based semiconductor devices and materials, ZnO doping and properties, Ga2O3 and related materials, and Perovskite Materials and Applications. Additionally, their work covers Semiconductor Quantum Structures and Devices, Optical properties and cooling technologies in crystalline materials, and general semiconductor materials and devices.

Hoffmann's publication record includes papers in various scientific journals. Notable recent papers include:

  • On the Overlooked Critical Role of the pH Value on the Kinetics of the 4-Nitrophenol NaBH4-Reduction Catalyzed by Noble-Metal Nanoparticles (Pt, Pd, and Au), 2020, The Journal of Physical Chemistry C
  • Vibrational dynamics in lead halide hybrid perovskites investigated by Raman spectroscopy, 2020, Physical Chemistry Chemical Physics
  • Hidden polymorphism of FAPbI3 discovered by Raman spectroscopy, 2021, Physical Chemistry Chemical Physics
  • Point Defect-Induced UV-C Absorption in Aluminum Nitride Epitaxial Layers Grown on Sapphire Substrates by Metal-Organic Chemical Vapor Deposition, 2020, physica status solidi (b)
  • Strongly localized carriers in Al-rich AlGaN/AlN single quantum wells grown on sapphire substrates, 2020, Journal of Applied Physics

Hoffmann frequently publishes in several venues, including:

  • physica status solidi (b)
  • Journal of Applied Physics
  • The Journal of Physical Chemistry C
  • Physical Chemistry Chemical Physics
  • Applied Physics Letters

Collaborations are an important aspect of Hoffmann's research output. Frequent coauthors include Markus R. Wagner, Christian Frankerl, Felix Nippert, Christian Brandl, and Hans-Jürgen Lugauer. These collaborations have contributed to multiple joint publications.

Best Publications

  • Bound exciton and donor–acceptor pair recombinations in ZnO

    B. K. Meyer;H. Alves;D. M. Hofmann;W. Kriegseis

  • Direct observation of the skyrmion Hall effect

    Wanjun Jiang;Wanjun Jiang;Xichao Zhang;Guoqiang Yu;Wei Zhang;Wei Zhang

  • Spin Hall Effects in Metals

    Axel Hoffmann

  • Blowing magnetic skyrmion bubbles

    Wanjun Jiang;Pramey Upadhyaya;Wei Zhang;Guoqiang Yu

  • Interface-induced phenomena in magnetism

    Frances Hellman;Axel Hoffmann;Yaroslav Tserkovnyak;Geoffrey S.D. Beach

  • Quantifying Spin Hall Angles from Spin Pumping: Experiments and Theory

    O. Mosendz;J.E. Pearson;F.Y. Fradin;G.E.W. Bauer

  • Tunable Transport Gap in Phosphorene

    Saptarshi Das;Wei Zhang;Marcel Demarteau;Axel Hoffmann

  • Energy relaxation by multiphonon processes in InAs/GaAs quantum dots

    R. Heitz;M. Veit;N. N. Ledentsov;A. Hoffmann

  • Detection and quantification of inverse spin Hall effect from spin pumping in permalloy/normal metal bilayers

    O. Mosendz;V. Vlaminck;J. E. Pearson;F. Y. Fradin

  • Zinc oxide : from fundamental properties towards novel applications

    C. F. Klingshirn;B. K. Meyer;Andreas Waag;Axel Hoffmann

  • Nitrogen-related local vibrational modes in ZnO:N

    A. Kaschner;U. Haboeck;Martin Strassburg;Matthias Strassburg

  • Spin Hall effects in metallic antiferromagnets.

    Wei Zhang;Matthias B. Jungfleisch;Wanjun Jiang;John E. Pearson

  • Spin transport and spin torque in antiferromagnetic devices

    J. Železný;J. Železný;P. Wadley;K. Olejník;A. Hoffmann

  • Hybrid magnonics: Physics, circuits, and applications for coherent information processing

    Yi Li;Wei Zhang;Wei Zhang;Vasyl Tyberkevych;Wai Kwong Kwok

  • Realization of a spin-wave multiplexer

    K. Vogt;F.Y. Fradin;J.E. Pearson;T. Sebastian;T. Sebastian

  • Opportunities at the Frontiers of Spintronics

    Axel Friedrich Hoffmann;Sam D. Bader

  • Roadmap of Spin–Orbit Torques

    Qiming Shao;Peng Li;Luqiao Liu;Hyunsoo Yang

  • Zinc Oxide 120

    Claus F. Klingshirn;Bruno K. Meyer;Andreas Waag;Axel Hoffmann

  • Behind the weak excitonic emission of ZnO quantum dots: ZnO/Zn(OH)2 core-shell structure

    H. Zhou;H. Alves;D. M. Hofmann;W. Kriegseis

  • Zone-boundary phonons in hexagonal and cubic GaN

    H. Siegle;G. Kaczmarczyk;L. Filippidis;A. P. Litvinchuk

  • Skyrmions in magnetic multilayers

    Wanjun Jiang;Gong Chen;Kai Liu;Jiadong Zang

Frequent Co-Authors

John E. Pearson
John E. Pearson Argonne National Laboratory
Dieter Bimberg
Dieter Bimberg Changchun Institute of Optics, Fine Mechanics and Physics (CIOMP)
Ivan K. Schuller
Ivan K. Schuller University of California, San Diego
Bruno K. Meyer
Bruno K. Meyer University of Giessen
John B Ketterson
John B Ketterson Northwestern University
Christian Thomsen
Christian Thomsen Technical University of Berlin
Jürgen Christen
Jürgen Christen Otto-von-Guericke University Magdeburg
Josep Nogués
Josep Nogués Catalan Institute of Nanoscience and Nanotechnology
S. D. Bader
S. D. Bader Argonne National Laboratory
Zlatko Sitar
Zlatko Sitar North Carolina State University

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