Dr. Oliver Bierwagen

Senior Scientist

+49 30 20377-491

Epitaxy

Room: 713

Title

Detection, identification, and impact of native point defects on conduction in ITO thin films

Author

J. Cowsky, D. C. Look, K. Leedy, I. Chatratin, A. Janotti, O. Bierwagen, L. J. Brillson

Source

Appl. Phys. Lett., 128, 182108 (2026)

DOI:

10.1063/5.0313344 (PDI-ID: 3175)
Title

Engineering the future with ultrawide-bandgap semiconductors

Author

M. H. Wong, E. Ahmadi, O. Bierwagen, U. Singsietti

Source

APL Mater., 14, 050401 (2026)

DOI:

10.1063/5.0333351 (PDI-ID: 3174)
Title

ß-Ga2⁢O3⁡(001) surface reconstructions from first principles and experiment

Author

K. Lion, P. Mazzolini, K. Egbo, T. Markurt, O. Bierwagen, M. Albrecht, C. Draxl

Source

Phys. Rev. Mater., 10, 043603 (2026)

DOI:

10.1103/wzfr-rllh (PDI-ID: 3173)
Title

A promising platform for ferrimagnetic spintronics: transition-metal oxide NiCo2O4 with robust perpendicular magnetic anisotropy

Author

H. Lv, X. C. Huang, K. H. L. Zhang, O. Bierwagen, M. Ramsteiner

Source

J. Phys.: Conf. Ser., 3161, 012022 (2026)

DOI:

10.1088/1742-6596/3161/1/012022 (PDI-ID: 3026)
Title

Phonons in single‐domain κ‐Ga2O3 studied by polarization angle‐resolved Raman scattering

Author

A. Wüthrich, B. M. Janzen, R. Gillen, H. Tornatzky, A. Ardenghi, O. Bierwagen, A. Sacchi, P. Mazzolini, M. Ries, T. Ogawa, H. Nishinaka, M. R. Wagner

Source

Adv. Electron. Mater., 12, e00497 (2026)

DOI:

10.1002/aelm.202500497 (PDI-ID: 3146)