Senior Scientist
Speaker of Scientists
phone: +49 30 20377 491
room: 0713
email: bierwagen@pdi-berlin.de
Department: Epitaxy
Core research areas: Nanofabrication
Research interests:
Semiconductors
Oxides
Molecular Beam Epitaxy
Transport measurements
1 | Author | A. Parisini , P. Mazzolini , O. Bierwagen , C. Borelli , K. O. Egbo , A. Sacchi , M. Bosi , L. Seravalli , A. Tahraoui , R. Fornari |
Title |
A study of SnO/epsilon-Ga2O3 p-n diodes in planar geometry |
|
Source | J. Vac. Sci. Technol. A , 40 , 042701 ( 2022 ) | |
DOI : 10.1116/6.0001857 | Cite : Bibtex RIS |
2 | Author | K. Tetzner , K. O. Egbo , M. Klupsch , R.-S. Unger , A. Popp , T.-S. Chou , S. Bin Anooz , Z. Galazka , A. Trampert , O. Bierwagen , J Würfl |
Title |
SnO/β-Ga2O3 heterojunction field-effect transistors and vertical p-n diodes |
|
Source | Appl. Phys. Lett. , 120 , 112110 ( 2022 ) | |
DOI : 10.1063/5.0083032 | Download: PDF | Cite : Bibtex RIS |
3 | Author | A. Papadogianni , C. Wouters , R. Schewski , J. Feldl , J. Lähnemann , T. Nagata , M. Feneberg , E. Kluth , R. Goldhahn , M. Ramsteiner , M. Albrecht , O. Bierwagen |
Title |
Molecular beam epitaxy of single-crystalline bixbyite (In1-xGax)2O3 films (x≤0.18): Structural properties and consequences of compositional inhomogeneity |
|
Source | Phys. Rev. Mater. , 6 , 033604 ( 2022 ) | |
DOI : 10.1103/PhysRevMaterials.6.033604 | Download arXiv: 2106.09612 | Cite : Bibtex RIS |
4 | Author | A. J. Green , J. S. Speck , H. G. Xing , P. Moens , F. Allerstam , K. Gumaelius , T. Neyer , A. Arias-Purdue , V. Mehrotra , A. Kuramata , K. Sasaki , S. Watanabe , K. Kimiyoshi , J. D. Blevins , O. Bierwagen , S. Krishnamoorthy , K. Leedy , A. R. Arehart , A. T. Neal , S. Mou , S. A. Ringel , W. Li , K. D. Chabak , K. Liddy , A. E. Islam , S. Rajan , S. Graham , S. Choi , Z. Cheng , M. Higashiwaki |
Title |
APL Materials Roadmap – beta-Gallium Oxide Power Electronics |
|
Source | APL Mater. , 10 , 029201 ( 2022 ) | |
DOI : 10.1063/5.0060327 | Download: PDF | Cite : Bibtex RIS |
5 | Author | A. Papadogianni , T. Nagata , O. Bierwagen |
Title |
The electrical conductivity of cubic (In1-xGax)2O3 films (x ≤ 0.18): Native bulk point defects, Sn-doping, and the surface electron accumulation layer |
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Source | Jpn. J. Appl. Phys., Part 1 , 61 , 045502 ( 2022 ) | |
DOI : 10.35848/1347-4065/ac4ec7 | Cite : Bibtex RIS |
6 | Author | M. H. Wong , O. Bierwagen , R. J. Kaplar , H. Umezawa |
Title |
Ultrawide-bandgap semiconductors: An overview |
|
Source | J. Mater. Res. , 36 , 4601 ( 2021 ) | |
DOI : 10.1557/s43578-021-00458-1 | Cite : Bibtex RIS |
7 | Author | G. Hoffmann , Zongzhe Cheng , O. Brandt , O. Bierwagen |
Title |
Drastically enhanced metal incorporation in the epitaxy of oxides from elemental sources due to suboxide formation and evaporation |
|
Source | APL Mater. , 9 , 111110 ( 2021 ) | |
DOI : 10.1063/5.0058541 | Download: PDF | Cite : Bibtex RIS |
8 | Author | B. M. Janzen , P. Mazzolini , R. Gillen , V. F. S. Peltason , L. P. Grote , J. Maultzsch , R. Fornari , O. Bierwagen , M. R. Wagner |
Title |
Comprehensive Raman study of orthorhombic kappa/epsilon − Ga2O3 and the impact of rotational domains |
|
Source | J. Mater. Chem. C , 9 , 14175 ( 2021 ) | |
DOI : 10.1039/D1TC03500B | Cite : Bibtex RIS |
9 | Author | J. Feldl , M. Feneberg , A. Papadogianni , J. Lähnemann , T. Nagata , O. Bierwagen , R. Goldhahn , M. Ramsteiner |
Title |
Band gap widening and phonon behavior of cubic single-crystalline (In,Ga)2O3 alloy films |
|
Source | Appl. Phys. Lett. , 119 , 042101 ( 2021 ) | |
DOI : 10.1063/5.0056532 | Download: PDF | Cite : Bibtex RIS |
10 | Author | H. Xu , R. Wu , J.-Y. Zhang , W. Han , L. Chen , X. Liang , C. Y. Haw , P. Mazzolini , O. Bierwagen , D.-C. Qi , K. H. L. Zhang |
Title |
Revealing the Electronic Structure and Optical Properties of CuFeO2 as a p-Type Oxide Semiconductor |
|
Source | ACS Applied Electronic Materials , tbd , tbd ( 2021 ) | |
DOI : 10.1021/acsaelm.1c00090 | Cite : Bibtex RIS |